{ "contract": "sourcey.site-record/v1alpha1", "release_id": "sha256:5f55a0147eca9a82d821b7cfb73339dd8059c146b9acbb6ed66c9e3d40a8e1b0", "snapshot_id": "sha256:fbf4583b80f8936d9b7b75906adc86f38f5612cd0a7329839daea7b71ad2b9ce", "artifact_sha256": "sha256:ec393385ec4e7be15a393d925f0df78d54a12787f2995a84fad1b570583dac06", "data": { "entity_id": "ent_01kyyts97tg62epymp01r8t62x", "entity_slug": "twilio", "profile": { "projection_contract": "sourcey.agent-readiness-projection/v1alpha1", "agent_readiness_profile_id": "arp_01kzf0m4xm8n4vc1f7z6qs2yh5", "entity_id": "ent_01kyyts97tg62epymp01r8t62x", "scope": { "product": { "key": "twilio-messaging-api", "name": "Twilio Messaging API" }, "funnel": { "key": "message-operations", "name": "Message operations" } }, "catalog_binding": { "base_release_id": "sha256:8986cb1640fd748dd005e5c94c7b02d3f44a3d39ff6b72573091bd81af84c61e", "entity_revision_digest": "sha256:6789395a68188d85e262606330dbb20d4dcfd49f918934a99993ca476c86ca81" }, 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"https://www.twilio.com/en-us/pricing/messaging", "roles": [ "documentation", "pricing" ], "operated_by_participant_id": "twilio", "standard_bindings": [] }, { "resource_id": "readiness-f640bfb2a3f247e81fd4038d810324e1b4c9b8a91951aae133740a3d156b1dd0", "uri": "https://www.twilio.com/docs/iam/api/authtoken", "roles": [ "authentication", "documentation" ], "operated_by_participant_id": "twilio", "standard_bindings": [] }, { "resource_id": "service-terms", "uri": "https://www.twilio.com/en-us/legal/tos", "roles": [ "terms" ], "operated_by_participant_id": "twilio", "standard_bindings": [] }, { "resource_id": "support", "uri": "https://www.twilio.com/docs/usage/troubleshooting", "roles": [ "documentation", "recovery" ], "operated_by_participant_id": "twilio", "standard_bindings": [] } ], "endpoints": [ { "endpoint_id": "registration", "uri": "https://www.twilio.com/docs/usage/tutorials/how-to-use-your-free-trial-account", "transport": "http", "roles": [ "registration" ], "operated_by_participant_id": "twilio", "standard_bindings": [] }, { "endpoint_id": "twilio-api", "uri": "https://api.twilio.com/2010-04-01", "transport": "http", "roles": [ "service", "status" ], "operated_by_participant_id": "twilio", "standard_bindings": [] } ], "interfaces": [ { "interface_id": "api-authentication", "modality": "network_api", "functions": [ "authentication" ], "endpoint_ids": [], "resource_ids": [ "authentication" ], "operated_by_participant_id": "twilio", "standard_bindings": [] }, { "interface_id": "messaging-api", "modality": "network_api", "functions": [ "events", "service_operation" ], "endpoint_ids": [ "twilio-api" ], "resource_ids": [ "api-errors", "api-overview", "delivery-status", "message-operations" ], "operated_by_participant_id": "twilio", "standard_bindings": [] } ], "relations": [ { "relation_id": "authentication-authenticates-api", "kind": "authenticates", "from": { "node_kind": "interface", "node_id": "api-authentication" }, "to": { "node_kind": "interface", "node_id": "messaging-api" } }, { "relation_id": "messages-describe-api", "kind": "describes", "from": { "node_kind": "resource", "node_id": "message-operations" }, "to": { "node_kind": "interface", "node_id": "messaging-api" } }, { "relation_id": "overview-describes-api", "kind": "describes", "from": { "node_kind": "resource", "node_id": "api-overview" }, "to": { "node_kind": "interface", "node_id": "messaging-api" } }, { "relation_id": "relation-describes-d9d1cf77e39d460f5b418ed8497fd9a1a1556f7ed215ba6221ed6b8568153186", "kind": "describes", "from": { "node_kind": "resource", "node_id": "readiness-f640bfb2a3f247e81fd4038d810324e1b4c9b8a91951aae133740a3d156b1dd0" }, "to": { "node_kind": "interface", "node_id": "api-authentication" } }, { "relation_id": "relation-describes-e03bc71777e71b76b6e8833501620049c3dd8b15fea8dbbc184cf231a28be4b3", "kind": "describes", "from": { "node_kind": "resource", "node_id": "readiness-47aea8764f65bef5ae609e63da151056f2bd9524f1ca17ae649c7581d80055ed" }, "to": { "node_kind": "interface", "node_id": "api-authentication" } }, { "relation_id": "signup-precedes-authentication", "kind": "precedes", "from": { "node_kind": "resource", "node_id": "account-signup" }, "to": { "node_kind": "interface", "node_id": "api-authentication" } } ], "surface_exclusions": [ { "exclusion_id": "separate-eligibility-resource", "role": "eligibility", "rationale": "Applicable access conditions are published within the service terms; no separate eligibility resource is declared." } ] }, "lifecycle": "active", "effective_from": "2026-09-06T08:47:58Z", "revision_digest": "sha256:ee6ef3e43e31bfb046ea5697f5abe679cae6f01a9a407ebf4c2a5e282e7bb1d9", "policy_digest": "sha256:fc9e8f046d86fcf19ab2f1bc547219e503cdc11ffa135d020db7285965cd7d1d", "policy_version": "service-use-2026-09-07-blocking-barriers-r12", "policy_as_of": "2026-09-07T00:00:00Z", "assessment_basis": { "principal": "authorized_human_or_organization", "initial_state": { "product_specific_account": false, "product_credentials": false, "paid_subscription": false, "provisioned_resource": false, "external_identity": "only_when_declared_by_exact_funnel" }, "permitted_human_boundaries": [ "account_ownership_confirmation", "delegated_identity_consent", "regulated_approval", "final_payment_or_irreversible_commitment" ], "required_handoff_properties": [ "exact_disclosure", "resumable_handoff", "deterministic_continuation" ], "forbidden_substitutions": [ "captcha_solving", "human_password_or_session_sharing", "concealed_agent_identity", "invented_eligibility", "unbound_out_of_band_code", "vendor_policy_bypass", "unapproved_consequential_action" ], "success": { "target_coverage": "every_declared_target", "interface_coverage": "at_least_one_declared_alternative", "authority": "scoped", "failure_semantics": "documented", "recovery": "supported" }, "observed_assessment": { "allowed_sources": [ "public_documentation", "public_metadata", "public_endpoints", "non_mutating_interaction", "operator_attested_public_observation" ], "consequential_claims": "certification_required" } }, "overall_outcome": "constrained", "public_state": "limited", "state_label": "Limited", "grade": "B", "grade_derivation": { "label": "Five-stage Agent Readiness report card", "explanation": "A through C grades count Limited stages; D and F reflect Blocked stages by lifecycle severity.", "coverage_rule": "Coverage is complete only when every graded signal has supported, fresh, non-conflicting evidence. Barrier and informational signals do not change coverage; only fresh, supported barrier values that passed their admission evidence rule participate in stage outcomes.", "outcome_rule": "Each stage takes its worst graded signal or verified barrier. A fresh, supported mandatory barrier that passed its admission evidence rule can block that stage; incomplete or stale barrier evidence remains context only. The overall grade is derived from the five stage states." }, "publication": { "visibility": "discoverable", "reasons": [] }, "primary_finding": { "stage": "sign_up", "stage_label": "Sign up", "public_state": "limited", "finding": { "signal_code": "delegated_identity_access", "condition": "Can an agent obtain scoped, revocable authority for this service?", "finding": "Machine credentials exist but require manual copying, broad authority, or weak lifecycle support.", "context": "Twilio provides machine credentials (API keys) that can be created and revoked via the Console or API, but standard API keys leave account-level endpoint access restricted." } }, "limitations": [ { "stage": "sign_up", "stage_label": "Sign up", "finding": { "signal_code": "delegated_identity_access", "condition": "Can an agent obtain scoped, revocable authority for this service?", "finding": "Machine credentials exist but require manual copying, broad authority, or weak lifecycle support.", "context": "Twilio provides machine credentials (API keys) that can be created and revoked via the Console or API, but standard API keys leave account-level endpoint access restricted." }, "remediation": { "signal_code": "delegated_identity_access", "code": "improve.sign_up.delegated_identity_access", "instruction": "Provide scoped delegated authorization with consent, revocation, and deterministic resumption." } }, { "stage": "provision", "stage_label": "Provision", "finding": { "signal_code": "provisioning_completion", "condition": "Can an agent determine successful provisioning completion and reconcile asynchronous failure?", "finding": "Completion is observable, but an asynchronous path omits a material terminal, bound, or reconciliation property.", "context": "Documentation establishes that creating a Message resource returns a synchronous HTTP response containing the resource object with initial status 'queued', but the retained text does not define an asynchronous polling bound or complete reconciliation failure contract." }, "remediation": { "signal_code": "provisioning_completion", "code": "improve.provision.provisioning_completion", "instruction": "Expose bounded machine-readable terminal status and reconciliation semantics." } }, { "stage": "operate", "stage_label": "Operate", "finding": { "signal_code": "failure_contract", "condition": "Can an agent handle applicable failure modes safely?", "finding": "Safe failure handling is documented only partially.", "context": "Twilio documents error status codes, exception schemas and delivery status callbacks; the selected quotes do not establish retry, idempotency, cancellation or reconciliation semantics for the Message resource." }, "remediation": { "signal_code": "failure_contract", "code": "improve.operate.failure_contract", "instruction": "Document applicable structured errors, retry, cancellation, and reconciliation semantics." } }, { "stage": "operate", "stage_label": "Operate", "finding": { "signal_code": "credential_lifecycle", "condition": "Can an agent manage credential expiry, rotation, revocation, compromise, and recovery?", "finding": "Only part of the credential lifecycle is agent-operable.", "context": "Twilio documentation provides APIs and console endpoints to create, list, and revoke/delete API keys as well as rotate and promote Auth Tokens, covering rotation and revocation. However, full credential lifecycle recovery semantics for compromised credentials are not explicitly established in the retained text." }, "remediation": { "signal_code": "credential_lifecycle", "code": "improve.operate.credential_lifecycle", "instruction": "Provide scoped expiry, rotation, revocation, compromise, and recovery operations." } } ], "stages": [ { "stage": "evaluate", "stage_label": "Evaluate", "outcome": "pass", "public_state": "ready", "state_label": "Ready", "primary_finding": { "signal_code": "service_discovery", "condition": "Can an agent find the exact service and its stable entrypoints?", "finding": "The exact service and stable evaluation or access entrypoints are publicly discoverable.", "context": "Twilio provides an API overview explicitly stating that Twilio Messaging corresponds to the Messaging API, which can be accessed directly over HTTPS or through Twilio SDKs available in several programming languages." }, "secondary_context": [ { "signal_code": "structured_evaluation_discovery", "condition": "Are verified structured discovery artifacts available?", "finding": "Current admissible evidence does not resolve this finding.", "context": "The retained excerpts for Twilio Messaging API are human documentation pages; they contain no first-party statement that structured discovery artifacts are absent, and no artifact was captured or verified either way." }, { "signal_code": "verified_web_agent_access", "condition": "Does the vendor deliberately describe access for web agents?", "finding": "Current admissible evidence does not resolve this finding.", "context": "The retained excerpts for Twilio Messaging API do not state a web-agent or crawler access policy for the assessed resources in either direction." }, { "signal_code": "terms_access", "condition": "Can an agent retrieve and understand the applicable commitment terms?", "finding": "Applicable terms are stable, readable, retrievable, and materially complete.", "context": "Twilio provides publicly retrievable and readable Terms of Service covering customer responsibilities, Acceptable Use Policy compliance, service and country-specific terms, representations and warranties, and order of precedence." }, { "signal_code": "eligibility_decidability", "condition": "Can an agent decide every material eligibility condition before commitment?", "finding": "Eligibility conditions and required inputs are explicit and decidable.", "context": "Twilio's Terms of Service explicitly states that each party represents and warrants that it has validly accepted or entered into the Agreement and has the legal power and authority to do so. It also requires compliance with anti-corruption, anti-money laundering, sanctions, and export control laws, confirming that parties/organizations are not on government sanctions or restricted party lists." }, { "signal_code": "pricing_decidability", "condition": "Can an agent estimate cost or confirm no-charge status before commitment?", "finding": "Price or no-charge status, variables, currency, and material conditions are explicit.", "context": "Twilio provides explicit pay-as-you-go pricing for Messaging, specifying costs starting at $0.0083 per outbound/inbound SMS and RCS message (US), WhatsApp messaging starting at $0.005 plus Meta template fees, and phone number fees starting at $1.15 per month." } ], "signals": [ { "signal_code": "eligibility_decidability", "evaluation_role": "informational", "required": false, "value": "yes", "value_label": "Ready", "outcome": "pass", "public_state": "ready", "condition": "Can an agent decide every material eligibility condition before commitment?", "finding": "Eligibility conditions and required inputs are explicit and decidable.", "evidence_status": "supported", "freshness": "fresh", "observed_at": "2026-09-06T08:51:25.401Z", "tested_surfaces": [ { "node_kind": "resource", "node_id": "service-terms" } ], "assessment_method": { "name": "public-semantic-assessment", "version": "2026-09-06", "method_digest": "sha256:02ec902925d3816c86a32a3d15dc2e7af6ce9931c24b9cf264063e596952d1c4" }, "determination_bases": [ { "kind": "explicit_first_party_declaration", "captures": [ { "retained_capture_digest": "sha256:2ab66f5d7a7110bbcd71009b65250082e8da5427f09426eb382e57c0161b0e5f", "capture_rung": "http" } ], "artifact_digests": [ "sha256:4175ce231687864b8caee230901fe5e4b68acfe71bfd8cacd8da78439a6aa9b6", "sha256:4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945", "sha256:84fc283c463b410fe28c2b71b00adc95e2641c6d7a35ddfce46bab24a7e25c47", "sha256:9a2b37a3bdfe691dc40214e72032a2c3a1fbaac6fda95f30a7f2dc403dfe6422" ], "source_surface": { "node_kind": "resource", "node_id": "service-terms" }, "locators": [ { "artifact_digest": "sha256:9a2b37a3bdfe691dc40214e72032a2c3a1fbaac6fda95f30a7f2dc403dfe6422", "start_byte": 58403, "end_byte": 59197, "value_digest": "sha256:a29f0d913060507026a6684678a7c7013287644d933a9a5c720e6de383dc803d" } ] } ], "note": "Twilio's Terms of Service explicitly states that each party represents and warrants that it has validly accepted or entered into the Agreement and has the legal power and authority to do so. It also requires compliance with anti-corruption, anti-money laundering, sanctions, and export control laws, confirming that parties/organizations are not on government sanctions or restricted party lists." }, { "signal_code": "pricing_decidability", "evaluation_role": "graded", "required": true, "value": "yes", "value_label": "Ready", "outcome": "pass", "public_state": "ready", "condition": "Can an agent estimate cost or confirm no-charge status before commitment?", "finding": "Price or no-charge status, variables, currency, and material conditions are explicit.", "evidence_status": "supported", "freshness": "fresh", "observed_at": "2026-09-06T08:50:08.099Z", "tested_surfaces": [ { "node_kind": "resource", "node_id": "pricing" }, { "node_kind": "resource", "node_id": "readiness-cfa12ce6e4f5f5ff16c4a65698f5d4c7be599bc6f54d70a6e41dcf742e0637ac" } ], "assessment_method": { "name": "public-semantic-assessment", "version": "2026-09-06", "method_digest": "sha256:02ec902925d3816c86a32a3d15dc2e7af6ce9931c24b9cf264063e596952d1c4" }, "determination_bases": [ { "kind": "explicit_first_party_declaration", "captures": [ { "retained_capture_digest": "sha256:6ed80517dc1bb0da4747d15db21538b6b07e2475d29ccb0fa08bdb7879b2b5ad", "capture_rung": "http" } ], "artifact_digests": [ "sha256:08bd4760a307405ea99a0dcf2be06bf200887ae70329ca652390ad2556ad9798", "sha256:4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945", "sha256:7be4bda36bc992e89d81bb1f04dd946e76e06feee862ce70afc68e0273d09de1", "sha256:ae90e8328b76ee0265f077e52988f09cb41cc6fe79ca373de8f0d036764a9456" ], "source_surface": { "node_kind": "resource", "node_id": "readiness-cfa12ce6e4f5f5ff16c4a65698f5d4c7be599bc6f54d70a6e41dcf742e0637ac" }, "locators": [ { "artifact_digest": "sha256:7be4bda36bc992e89d81bb1f04dd946e76e06feee862ce70afc68e0273d09de1", "start_byte": 20219, "end_byte": 21015, "value_digest": "sha256:eb366e4e9a798da636ffc9a3d34a7db16be457df3e6d25332e0571aaf3c011fe" } ] } ], "note": "Twilio provides explicit pay-as-you-go pricing for Messaging, specifying costs starting at $0.0083 per outbound/inbound SMS and RCS message (US), WhatsApp messaging starting at $0.005 plus Meta template fees, and phone number fees starting at $1.15 per month." }, { "signal_code": "service_discovery", "evaluation_role": "graded", "required": true, "value": "yes", "value_label": "Ready", "outcome": "pass", "public_state": "ready", "condition": "Can an agent find the exact service and its stable entrypoints?", "finding": "The exact service and stable evaluation or access entrypoints are publicly discoverable.", "evidence_status": "supported", "freshness": "fresh", "observed_at": "2026-09-06T08:50:00.850Z", "tested_surfaces": [ { "node_kind": "resource", "node_id": "api-overview" } ], "assessment_method": { "name": "public-semantic-assessment", "version": "2026-09-06", "method_digest": "sha256:02ec902925d3816c86a32a3d15dc2e7af6ce9931c24b9cf264063e596952d1c4" }, "determination_bases": [ { "kind": "explicit_first_party_declaration", "captures": [ { "retained_capture_digest": "sha256:13aa2f722561f09e2938264f75f5f0f2abd405eee738abc3f16361a9d4a63557", "capture_rung": "http" } ], "artifact_digests": [ "sha256:4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945", "sha256:854b666b44fa427b998a8cb7456f41692a381a6d00fb102dd6d41641dd746a99", "sha256:9181985827b6c05ea98c021b2283bf945895e98565690c0d72609d67e4ddab41", "sha256:9d3d164ec81e9018b0d60d6e7cd4b59b972bd3cda8baf3f526a8050d4a916de1" ], "source_surface": { "node_kind": "resource", "node_id": "api-overview" }, "locators": [ { "artifact_digest": "sha256:9181985827b6c05ea98c021b2283bf945895e98565690c0d72609d67e4ddab41", "start_byte": 9549, "end_byte": 10348, "value_digest": "sha256:290b9deae2f1cd2841197f4bb9c50bd7cad4c4cdd66ee574a9594d3b3bc2a502" } ] } ], "note": "Twilio provides an API overview explicitly stating that Twilio Messaging corresponds to the Messaging API, which can be accessed directly over HTTPS or through Twilio SDKs available in several programming languages." }, { "signal_code": "structured_evaluation_discovery", "evaluation_role": "informational", "required": false, "value": "unknown", "value_label": "Unknown", "outcome": "unknown", "public_state": "unknown", "condition": "Are verified structured discovery artifacts available?", "finding": "Current admissible evidence does not resolve this finding.", "evidence_status": "supported", "freshness": "fresh", "observed_at": "2026-09-06T08:50:57.585Z", "tested_surfaces": [ { "node_kind": "resource", "node_id": "api-overview" }, { "node_kind": "resource", "node_id": "authentication" } ], "assessment_method": { "name": "public-semantic-assessment", "version": "2026-09-06", "method_digest": "sha256:02ec902925d3816c86a32a3d15dc2e7af6ce9931c24b9cf264063e596952d1c4" }, "determination_bases": [], "note": "The retained excerpts for Twilio Messaging API are human documentation pages; they contain no first-party statement that structured discovery artifacts are absent, and no artifact was captured or verified either way." }, { "signal_code": "terms_access", "evaluation_role": "informational", "required": false, "value": "yes", "value_label": "Ready", "outcome": "pass", "public_state": "ready", "condition": "Can an agent retrieve and understand the applicable commitment terms?", "finding": "Applicable terms are stable, readable, retrievable, and materially complete.", "evidence_status": "supported", "freshness": "fresh", "observed_at": "2026-09-06T08:51:25.401Z", "tested_surfaces": [ { "node_kind": "resource", "node_id": "service-terms" } ], "assessment_method": { "name": "public-semantic-assessment", "version": "2026-09-06", "method_digest": "sha256:02ec902925d3816c86a32a3d15dc2e7af6ce9931c24b9cf264063e596952d1c4" }, "determination_bases": [ { "kind": "explicit_first_party_declaration", "captures": [ { "retained_capture_digest": "sha256:2ab66f5d7a7110bbcd71009b65250082e8da5427f09426eb382e57c0161b0e5f", "capture_rung": "http" } ], "artifact_digests": [ "sha256:26df4fde2be1cd5e62ecfeb16cf648b4201a301f8cf2233402e09f8b698b634b", "sha256:4175ce231687864b8caee230901fe5e4b68acfe71bfd8cacd8da78439a6aa9b6", "sha256:4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945", "sha256:9a2b37a3bdfe691dc40214e72032a2c3a1fbaac6fda95f30a7f2dc403dfe6422" ], "source_surface": { "node_kind": "resource", "node_id": "service-terms" }, "locators": [ { "artifact_digest": "sha256:9a2b37a3bdfe691dc40214e72032a2c3a1fbaac6fda95f30a7f2dc403dfe6422", "start_byte": 38379, "end_byte": 39177, "value_digest": "sha256:126ef74f00f38ff7f6fc7b8b5dc391fe5af52b0672fc04b9561cf7d923934a75" }, { "artifact_digest": "sha256:9a2b37a3bdfe691dc40214e72032a2c3a1fbaac6fda95f30a7f2dc403dfe6422", "start_byte": 85655, "end_byte": 86448, "value_digest": "sha256:82218b487add935c3c093412bb005d7cbc23d36b9c5411107fc56ef45b7d2f2e" } ] } ], "note": "Twilio provides publicly retrievable and readable Terms of Service covering customer responsibilities, Acceptable Use Policy compliance, service and country-specific terms, representations and warranties, and order of precedence." }, { "signal_code": "verified_web_agent_access", "evaluation_role": "informational", "required": false, "value": "unknown", "value_label": "Unknown", "outcome": "unknown", "public_state": "unknown", "condition": "Does the vendor deliberately describe access for web agents?", "finding": "Current admissible evidence does not resolve this finding.", "evidence_status": "supported", "freshness": "fresh", "observed_at": "2026-09-06T08:50:57.585Z", "tested_surfaces": [ { "node_kind": "resource", "node_id": "api-overview" }, { "node_kind": "resource", "node_id": "authentication" } ], "assessment_method": { "name": "public-semantic-assessment", "version": "2026-09-06", "method_digest": "sha256:02ec902925d3816c86a32a3d15dc2e7af6ce9931c24b9cf264063e596952d1c4" }, "determination_bases": [], "note": "The retained excerpts for Twilio Messaging API do not state a web-agent or crawler access policy for the assessed resources in either direction." } ], "blockers": [], "remediations": [] }, { "stage": "sign_up", "stage_label": "Sign up", "outcome": "constrained", "public_state": "limited", "state_label": "Limited", "primary_finding": { "signal_code": "delegated_identity_access", "condition": "Can an agent obtain scoped, revocable authority for this service?", "finding": "Machine credentials exist but require manual copying, broad authority, or weak lifecycle support.", "context": "Twilio provides machine credentials (API keys) that can be created and revoked via the Console or API, but standard API keys leave account-level endpoint access restricted." }, "secondary_context": [ { "signal_code": "access_control_operability", "condition": "Can an agent operate the access controls and safe handoffs deterministically?", "finding": "Current admissible evidence does not resolve this finding.", "context": "The retained evidence does not provide enough information to determine if an agent can operate access controls and safe handoffs deterministically." }, { "signal_code": "captcha_compatible_access", "condition": "Can an agent obtain access without an unsupported CAPTCHA boundary?", "finding": "Current admissible evidence does not resolve this finding.", "context": "The evidence does not mention whether a CAPTCHA boundary is present during the registration process." }, { "signal_code": "phone_verification_compatible", "condition": "Can required phone verification be completed through a supported boundary?", "finding": "Current admissible evidence does not resolve this finding.", "context": "The evidence explicitly states that sign-up includes verifying a personal phone number, but does not document an explicit safe resumable handoff mechanism for an agent." }, { "signal_code": "access_entrypoint_stability", "condition": "Is there a stable route to begin obtaining service access?", "finding": "A stable canonical route begins the required access bootstrap.", "context": "Twilio provides a stable route to begin obtaining service access by allowing users to sign up for a Twilio free trial account without a credit card." } ], "signals": [ { "signal_code": "access_control_operability", "evaluation_role": "barrier", "required": false, "value": "unknown", "value_label": "Unknown", "outcome": "unknown", "public_state": "unknown", "condition": "Can an agent operate the access controls and safe handoffs deterministically?", "finding": "Current admissible evidence does not resolve this finding.", "evidence_status": "supported", "freshness": "fresh", "observed_at": "2026-09-06T08:50:57.128Z", "tested_surfaces": [ { "node_kind": "endpoint", "node_id": "registration" } ], "assessment_method": { "name": "public-semantic-assessment", "version": "2026-09-06", "method_digest": "sha256:02ec902925d3816c86a32a3d15dc2e7af6ce9931c24b9cf264063e596952d1c4" }, "determination_bases": [], "note": "The retained evidence does not provide enough information to determine if an agent can operate access controls and safe handoffs deterministically." }, { "signal_code": "access_entrypoint_stability", "evaluation_role": "graded", "required": true, "value": "yes", "value_label": "Ready", "outcome": "pass", "public_state": "ready", "condition": "Is there a stable route to begin obtaining service access?", "finding": "A stable canonical route begins the required access bootstrap.", "evidence_status": "supported", "freshness": "fresh", "observed_at": "2026-09-06T08:51:15.522Z", "tested_surfaces": [ { "node_kind": "resource", "node_id": "account-signup" } ], "assessment_method": { "name": "public-semantic-assessment", "version": "2026-09-06", "method_digest": "sha256:02ec902925d3816c86a32a3d15dc2e7af6ce9931c24b9cf264063e596952d1c4" }, "determination_bases": [ { "kind": "explicit_first_party_declaration", "captures": [ { "retained_capture_digest": "sha256:9c080b95b5750ad97cfaf713ae4e31eebb6b028849dc8bd7359041ae2f80d681", "capture_rung": "headless" } ], "artifact_digests": [ "sha256:032c5f31299cdd81eef83c75bc863eb9ad2d062e62d664b7c6dffdcaa0af7cea", "sha256:31f4727888f1f5b1a7d4b97007ad6cad838d2f80cefc530e25636f752cc90fc7", "sha256:4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945", "sha256:b29e1f0a8930523bdfb2c98ed01909535b636e6c10b1bc2eb1cc596151ccb175", "sha256:b67105fcafbfb7223ddd4e0ca80c2efddff52b77561e4d365fe3de9b8b644c69", "sha256:c72b269af720ca22d14383250f7ec613964fb91585be728d7a263121750b643c" ], "source_surface": { "node_kind": "resource", "node_id": "account-signup" }, "locators": [ { "artifact_digest": "sha256:b67105fcafbfb7223ddd4e0ca80c2efddff52b77561e4d365fe3de9b8b644c69", "start_byte": 13342, "end_byte": 14144, "value_digest": "sha256:111d453758b8f94331d0b203053c2f89d117360eb64311f424277d7e4400068d" } ] } ], "note": "Twilio provides a stable route to begin obtaining service access by allowing users to sign up for a Twilio free trial account without a credit card." }, { "signal_code": "captcha_compatible_access", "evaluation_role": "barrier", "required": false, "value": "unknown", "value_label": "Unknown", "outcome": "unknown", "public_state": "unknown", "condition": "Can an agent obtain access without an unsupported CAPTCHA boundary?", "finding": "Current admissible evidence does not resolve this finding.", "evidence_status": "supported", "freshness": "fresh", "observed_at": "2026-09-06T08:51:15.522Z", "tested_surfaces": [ { "node_kind": "endpoint", "node_id": "registration" }, { "node_kind": "resource", "node_id": "account-signup" } ], "assessment_method": { "name": "public-semantic-assessment", "version": "2026-09-06", "method_digest": "sha256:02ec902925d3816c86a32a3d15dc2e7af6ce9931c24b9cf264063e596952d1c4" }, "determination_bases": [], "note": "The evidence does not mention whether a CAPTCHA boundary is present during the registration process." }, { "signal_code": "delegated_identity_access", "evaluation_role": "graded", "required": true, "value": "partial", "value_label": "Limited", "outcome": "constrained", "public_state": "limited", "condition": "Can an agent obtain scoped, revocable authority for this service?", "finding": "Machine credentials exist but require manual copying, broad authority, or weak lifecycle support.", "evidence_status": "supported", "freshness": "fresh", "observed_at": "2026-09-06T08:51:12.048Z", "tested_surfaces": [ { "node_kind": "resource", "node_id": "authentication" }, { "node_kind": "resource", "node_id": "readiness-47aea8764f65bef5ae609e63da151056f2bd9524f1ca17ae649c7581d80055ed" }, { "node_kind": "resource", "node_id": "readiness-f640bfb2a3f247e81fd4038d810324e1b4c9b8a91951aae133740a3d156b1dd0" } ], "assessment_method": { "name": "public-semantic-assessment", "version": "2026-09-06", "method_digest": "sha256:02ec902925d3816c86a32a3d15dc2e7af6ce9931c24b9cf264063e596952d1c4" }, "determination_bases": [ { "kind": "explicit_first_party_declaration", "captures": [ { "retained_capture_digest": "sha256:52202434a442e8170046c13968bdf521c372833dcac10922b85389d27593b899", "capture_rung": "http" } ], "artifact_digests": [ "sha256:97a7a5482405bcedd3836b227bda10610e775860b59be2801fb182dda8f158c8", "sha256:a05dba3c28dda7257e6daa1ae34e0f3b2374474e63dc17077b0a6639b1cb5863", "sha256:d3c593e010dfafb7cd55fc413455d6a24f6f52263babf25f9c93e901342f7044", "sha256:f584fa41be16eec905ad0dd45b9d75d54b9b1a6d9091f54a623d247e53f0620a" ], "source_surface": { "node_kind": "resource", "node_id": "readiness-47aea8764f65bef5ae609e63da151056f2bd9524f1ca17ae649c7581d80055ed" }, "locators": [ { "artifact_digest": "sha256:97a7a5482405bcedd3836b227bda10610e775860b59be2801fb182dda8f158c8", "start_byte": 19100, "end_byte": 19891, "value_digest": "sha256:cf47ea7d2fa98c61a9ee38523dc844dcae716513fc5d9f5ecd4327c053559800" } ] }, { "kind": "explicit_first_party_declaration", "captures": [ { "retained_capture_digest": "sha256:ec3157d4263f334b21ab0c0bf63b31fe85ac806e5827b2bff02db3b9efe3ef1f", "capture_rung": "http" } ], "artifact_digests": [ "sha256:4a8d3cee6799dcab9cac9cee960fe58aaed5c3e118a7e34daadab901fcaf7f18", "sha256:4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945", "sha256:7a45081277c4e3d83411e348873c1f20ae2b1b5e842711b8943ce1a4acac98aa", "sha256:fc4ea78b9fc26b1bfc1c3b33f974eeb2e26f1ab56edbe8d55e8ac079bb23f6e8" ], "source_surface": { "node_kind": "resource", "node_id": "authentication" }, "locators": [ { "artifact_digest": "sha256:4a8d3cee6799dcab9cac9cee960fe58aaed5c3e118a7e34daadab901fcaf7f18", "start_byte": 12253, "end_byte": 13043, "value_digest": "sha256:2f7049c24782704c54fd1e9374d05b2e066a95bf3cd13070f0b6ff423ad3f76a" } ] } ], "note": "Twilio provides machine credentials (API keys) that can be created and revoked via the Console or API, but standard API keys leave account-level endpoint access restricted.", "remediation": { "signal_code": "delegated_identity_access", "code": "improve.sign_up.delegated_identity_access", "instruction": "Provide scoped delegated authorization with consent, revocation, and deterministic resumption." } }, { "signal_code": "phone_verification_compatible", "evaluation_role": "barrier", "required": false, "value": "unknown", "value_label": "Unknown", "outcome": "unknown", "public_state": "unknown", "condition": "Can required phone verification be completed through a supported boundary?", "finding": "Current admissible evidence does not resolve this finding.", "evidence_status": "supported", "freshness": "fresh", "observed_at": "2026-09-06T08:51:15.522Z", "tested_surfaces": [ { "node_kind": "resource", "node_id": "account-signup" } ], "assessment_method": { "name": "public-semantic-assessment", "version": "2026-09-06", "method_digest": "sha256:02ec902925d3816c86a32a3d15dc2e7af6ce9931c24b9cf264063e596952d1c4" }, "determination_bases": [], "note": "The evidence explicitly states that sign-up includes verifying a personal phone number, but does not document an explicit safe resumable handoff mechanism for an agent." } ], "blockers": [], "remediations": [ { "signal_code": "delegated_identity_access", "code": "improve.sign_up.delegated_identity_access", "instruction": "Provide scoped delegated authorization with consent, revocation, and deterministic resumption." } ] }, { "stage": "pay", "stage_label": "Pay", "outcome": "pass", "public_state": "ready", "state_label": "Ready", "primary_finding": { "signal_code": "commitment_disclosure", "condition": "Is the exact commercial commitment disclosed before authorization?", "finding": "Charge or no-charge status, currency, recurrence, and material conditions are disclosed.", "context": "Twilio explicitly discloses pricing for Messaging service, including usage rates starting at $0.0083 to send or receive SMS/RCS messages, WhatsApp messaging starting at $0.005 plus Meta template fees, and phone numbers starting at $1.15 per month." }, "secondary_context": [ { "signal_code": "checkout_operability", "condition": "Can an agent construct checkout, hand off approval safely, and resume?", "finding": "Current admissible evidence does not resolve this finding.", "context": "The retained evidence describes clicking Upgrade in the Twilio Console to create a profile, add an address, load a starting balance, and add payment details, but it does not establish deterministic API or protocol checkout construction and resumption." }, { "signal_code": "payment_authorization", "condition": "Can payment be authorized within scoped agent or explicit human authority?", "finding": "Current admissible evidence does not resolve this finding.", "context": "The documentation mentions adding payment details and loading a starting balance when upgrading an account, but it does not document scoped delegation or explicit human-confirmed authorization rails with receipts." }, { "signal_code": "self_service_purchase", "condition": "Is a direct self-service path to paid access documented?", "finding": "A documented direct purchase path reaches paid access without a vendor decision point.", "context": "Twilio documents a direct self-service upgrade path to move from a free trial to a paid account in the Twilio Console by clicking Upgrade, creating a profile, adding an address, loading a starting balance, and adding payment details without requiring a vendor decision point." } ], "signals": [ { "signal_code": "checkout_operability", "evaluation_role": "barrier", "required": false, "value": "unknown", "value_label": "Unknown", "outcome": "unknown", "public_state": "unknown", "condition": "Can an agent construct checkout, hand off approval safely, and resume?", "finding": "Current admissible evidence does not resolve this finding.", "evidence_status": "supported", "freshness": "fresh", "observed_at": "2026-09-06T08:51:16.259Z", "tested_surfaces": [ { "node_kind": "resource", "node_id": "account-signup" } ], "assessment_method": { "name": "public-semantic-assessment", "version": "2026-09-06", "method_digest": "sha256:02ec902925d3816c86a32a3d15dc2e7af6ce9931c24b9cf264063e596952d1c4" }, "determination_bases": [], "note": "The retained evidence describes clicking Upgrade in the Twilio Console to create a profile, add an address, load a starting balance, and add payment details, but it does not establish deterministic API or protocol checkout construction and resumption." }, { "signal_code": "commitment_disclosure", "evaluation_role": "graded", "required": true, "value": "yes", "value_label": "Ready", "outcome": "pass", "public_state": "ready", "condition": "Is the exact commercial commitment disclosed before authorization?", "finding": "Charge or no-charge status, currency, recurrence, and material conditions are disclosed.", "evidence_status": "supported", "freshness": "fresh", "observed_at": "2026-09-06T08:51:49.040Z", "tested_surfaces": [ { "node_kind": "resource", "node_id": "pricing" }, { "node_kind": "resource", "node_id": "readiness-cfa12ce6e4f5f5ff16c4a65698f5d4c7be599bc6f54d70a6e41dcf742e0637ac" } ], "assessment_method": { "name": "public-semantic-assessment", "version": "2026-09-06", "method_digest": "sha256:02ec902925d3816c86a32a3d15dc2e7af6ce9931c24b9cf264063e596952d1c4" }, "determination_bases": [ { "kind": "explicit_first_party_declaration", "captures": [ { "retained_capture_digest": "sha256:6ed80517dc1bb0da4747d15db21538b6b07e2475d29ccb0fa08bdb7879b2b5ad", "capture_rung": "http" } ], "artifact_digests": [ "sha256:08bd4760a307405ea99a0dcf2be06bf200887ae70329ca652390ad2556ad9798", "sha256:4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945", "sha256:7be4bda36bc992e89d81bb1f04dd946e76e06feee862ce70afc68e0273d09de1", "sha256:ae90e8328b76ee0265f077e52988f09cb41cc6fe79ca373de8f0d036764a9456" ], "source_surface": { "node_kind": "resource", "node_id": "readiness-cfa12ce6e4f5f5ff16c4a65698f5d4c7be599bc6f54d70a6e41dcf742e0637ac" }, "locators": [ { "artifact_digest": "sha256:7be4bda36bc992e89d81bb1f04dd946e76e06feee862ce70afc68e0273d09de1", "start_byte": 20219, "end_byte": 21015, "value_digest": "sha256:eb366e4e9a798da636ffc9a3d34a7db16be457df3e6d25332e0571aaf3c011fe" } ] }, { "kind": "explicit_first_party_declaration", "captures": [ { "retained_capture_digest": "sha256:f5f9f2d462b6ffd098505d75a230e7557a75363dafa2e7f95093fa522b5d6da3", "capture_rung": "http" } ], "artifact_digests": [ "sha256:2272ff79f8e0d714bcae94d73c8cf4d24eb340a44cae167440ee65e703e052ba", "sha256:34c0d0d994572a82c3a46496ccb236d9c614b46bfd9b37474ec045811b52b396", "sha256:4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945", "sha256:c7035f8dcfff6f78bbf50406d397157a8f520584b0e5f1cf75e7ea67f857037a" ], "source_surface": { "node_kind": "resource", "node_id": "pricing" }, "locators": [ { "artifact_digest": "sha256:34c0d0d994572a82c3a46496ccb236d9c614b46bfd9b37474ec045811b52b396", "start_byte": 20437, "end_byte": 21235, "value_digest": "sha256:4e1ec0c18996644c17a6bb9ff9709a1e4b62da3953cb4ec0fe964c7827a440b9" } ] } ], "note": "Twilio explicitly discloses pricing for Messaging service, including usage rates starting at $0.0083 to send or receive SMS/RCS messages, WhatsApp messaging starting at $0.005 plus Meta template fees, and phone numbers starting at $1.15 per month." }, { "signal_code": "payment_authorization", "evaluation_role": "barrier", "required": false, "value": "unknown", "value_label": "Unknown", "outcome": "unknown", "public_state": "unknown", "condition": "Can payment be authorized within scoped agent or explicit human authority?", "finding": "Current admissible evidence does not resolve this finding.", "evidence_status": "supported", "freshness": "fresh", "observed_at": "2026-09-06T08:51:16.259Z", "tested_surfaces": [ { "node_kind": "resource", "node_id": "account-signup" } ], "assessment_method": { "name": "public-semantic-assessment", "version": "2026-09-06", "method_digest": "sha256:02ec902925d3816c86a32a3d15dc2e7af6ce9931c24b9cf264063e596952d1c4" }, "determination_bases": [], "note": "The documentation mentions adding payment details and loading a starting balance when upgrading an account, but it does not document scoped delegation or explicit human-confirmed authorization rails with receipts." }, { "signal_code": "self_service_purchase", "evaluation_role": "graded", "required": true, "value": "yes", "value_label": "Ready", "outcome": "pass", "public_state": "ready", "condition": "Is a direct self-service path to paid access documented?", "finding": "A documented direct purchase path reaches paid access without a vendor decision point.", "evidence_status": "supported", "freshness": "fresh", "observed_at": "2026-09-06T08:51:16.259Z", "tested_surfaces": [ { "node_kind": "resource", "node_id": "account-signup" } ], "assessment_method": { "name": "public-semantic-assessment", "version": "2026-09-06", "method_digest": "sha256:02ec902925d3816c86a32a3d15dc2e7af6ce9931c24b9cf264063e596952d1c4" }, "determination_bases": [ { "kind": "explicit_first_party_declaration", "captures": [ { "retained_capture_digest": "sha256:cdf52a4523c41e24b9c1474e01e84ddd70fdec0134fbf30374ea9d6199535208", "capture_rung": "http" } ], "artifact_digests": [ "sha256:207462e4957be6cc67321720d156b74aeae9f01039422bc675ffe96b25e24f67", "sha256:4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945", "sha256:73962c0cf05fdd38da961126219781c8eafd00a8166f27c317b388fa785dc728", "sha256:b67105fcafbfb7223ddd4e0ca80c2efddff52b77561e4d365fe3de9b8b644c69" ], "source_surface": { "node_kind": "resource", "node_id": "account-signup" }, "locators": [ { "artifact_digest": "sha256:b67105fcafbfb7223ddd4e0ca80c2efddff52b77561e4d365fe3de9b8b644c69", "start_byte": 24512, "end_byte": 25311, "value_digest": "sha256:3723fd54013952cea75b87b9ea28f7e85d9b75edf0118ac30aa8c208d22680bd" } ] } ], "note": "Twilio documents a direct self-service upgrade path to move from a free trial to a paid account in the Twilio Console by clicking Upgrade, creating a profile, adding an address, loading a starting balance, and adding payment details without requiring a vendor decision point." } ], "blockers": [], "remediations": [] }, { "stage": "provision", "stage_label": "Provision", "outcome": "constrained", "public_state": "limited", "state_label": "Limited", "primary_finding": { "signal_code": "provisioning_completion", "condition": "Can an agent determine successful provisioning completion and reconcile asynchronous failure?", "finding": "Completion is observable, but an asynchronous path omits a material terminal, bound, or reconciliation property.", "context": "Documentation establishes that creating a Message resource returns a synchronous HTTP response containing the resource object with initial status 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[ { "retained_capture_digest": "sha256:dc977599475084c4bd42de9f6f70dc51d5431d8d7aaf8d75df7c838f8a1c7ef9", "capture_rung": "http" } ], "artifact_digests": [ "sha256:14286474dbc97bd2ce45e9afc0516fb5639b02c49439aa3ebd735d1e18abfdfa", "sha256:4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945", "sha256:a2ff9d33535165d648704c7d9ddf93b495731603869e3a506e70726d8a6fe130", "sha256:f3f927b25131cdefd92917d9c6b3798c4924ecf5227f93e194da7ef49d10c6fb" ], "source_surface": { "node_kind": "resource", "node_id": "api-errors" }, "locators": [ { "artifact_digest": "sha256:14286474dbc97bd2ce45e9afc0516fb5639b02c49439aa3ebd735d1e18abfdfa", "start_byte": 13518, "end_byte": 14301, "value_digest": "sha256:0bcbe9f55a68a73ec151f7f698b359594246f1e09eb4bf59f287e7488a1a6092" } ] } ], "note": "Twilio documents error status codes, exception schemas and delivery status callbacks; the selected quotes do not establish retry, idempotency, cancellation or reconciliation semantics for the Message resource.", 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{ "name": "public-semantic-assessment", "version": "2026-09-06", "method_digest": "sha256:02ec902925d3816c86a32a3d15dc2e7af6ce9931c24b9cf264063e596952d1c4" }, "determination_bases": [ { "kind": "explicit_first_party_declaration", "captures": [ { "retained_capture_digest": "sha256:28eeae84738fd4364820874583e3c910dddc74ef22a0cce475d9f8347430c04f", "capture_rung": "http" } ], "artifact_digests": [ "sha256:0b6ff3173506458103ad9ab23e1630ffda466f94c1d55cd8b9f412ab8a176fc5", "sha256:4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945", "sha256:4fe55fa5d5d1c142331e42aec241e95a209517ce21fdcb14ba03456cb98a7beb", "sha256:8f22a0d3f9079ad2fae88e96770316d4ba8f13668382f650383e07a88c1e5e7d" ], "source_surface": { "node_kind": "resource", "node_id": "readiness-f640bfb2a3f247e81fd4038d810324e1b4c9b8a91951aae133740a3d156b1dd0" }, "locators": [ { "artifact_digest": "sha256:8f22a0d3f9079ad2fae88e96770316d4ba8f13668382f650383e07a88c1e5e7d", "start_byte": 8745, "end_byte": 9538, "value_digest": "sha256:82c76a81efb8f8d2aa98784b34163d46d6e5ec1ae53c399318f8a4469fd76e2d" } ] }, { "kind": "explicit_first_party_declaration", "captures": [ { "retained_capture_digest": "sha256:52202434a442e8170046c13968bdf521c372833dcac10922b85389d27593b899", "capture_rung": "http" } ], "artifact_digests": [ "sha256:054c43c0f47c51ab97ba69ea3262ae7e7496903203f35c1e71fd8966eee83838", "sha256:97a7a5482405bcedd3836b227bda10610e775860b59be2801fb182dda8f158c8", "sha256:a05dba3c28dda7257e6daa1ae34e0f3b2374474e63dc17077b0a6639b1cb5863", "sha256:d3c593e010dfafb7cd55fc413455d6a24f6f52263babf25f9c93e901342f7044" ], "source_surface": { "node_kind": "resource", "node_id": "readiness-47aea8764f65bef5ae609e63da151056f2bd9524f1ca17ae649c7581d80055ed" }, "locators": [ { "artifact_digest": "sha256:97a7a5482405bcedd3836b227bda10610e775860b59be2801fb182dda8f158c8", "start_byte": 9212, "end_byte": 9979, "value_digest": "sha256:86ff41196ea1355d7dc3fd10a8df5d109ea913f6e6522e53a689597e12c6a07a" } ] }, { "kind": "explicit_first_party_declaration", "captures": [ { "retained_capture_digest": "sha256:ec3157d4263f334b21ab0c0bf63b31fe85ac806e5827b2bff02db3b9efe3ef1f", "capture_rung": "http" } ], "artifact_digests": [ "sha256:4a8d3cee6799dcab9cac9cee960fe58aaed5c3e118a7e34daadab901fcaf7f18", "sha256:4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945", "sha256:90045a647b31a06c004e0f70332b1a4efd0bd1bdc6ae1432b0deadefdc01b6b5", "sha256:fc4ea78b9fc26b1bfc1c3b33f974eeb2e26f1ab56edbe8d55e8ac079bb23f6e8" ], "source_surface": { "node_kind": "resource", "node_id": "authentication" }, "locators": [ { "artifact_digest": "sha256:4a8d3cee6799dcab9cac9cee960fe58aaed5c3e118a7e34daadab901fcaf7f18", "start_byte": 9859, "end_byte": 10653, "value_digest": "sha256:a6d3afab5d0c6108fc04d1f31f8c160af069f1d7ae388634bc65cb2b7263ce96" } ] } ], "note": "Twilio supports request-time authentication using HTTP Basic authentication with API Key SID and API Key secret, as well as scoped authority using Standard or Restricted API keys." }, { "signal_code": "operation_contract", "evaluation_role": "graded", "required": true, "value": "yes", "value_label": "Ready", "outcome": "pass", "public_state": "ready", "condition": "Are essential operation inputs, outputs, and effects stable and decidable?", "finding": "Essential operations have stable readable request, response, and effect semantics.", "evidence_status": "supported", "freshness": "fresh", "observed_at": "2026-09-06T08:51:11.399Z", "tested_surfaces": [ { "node_kind": "interface", "node_id": "messaging-api" } ], "assessment_method": { "name": "public-semantic-assessment", "version": "2026-09-06", "method_digest": "sha256:02ec902925d3816c86a32a3d15dc2e7af6ce9931c24b9cf264063e596952d1c4" }, "determination_bases": [ { "kind": "explicit_first_party_declaration", "captures": [ { "retained_capture_digest": "sha256:2b0b5c6218e6b2c2166c5ada3c3254c554ebf70959a5587ad23b488b89c3d7f5", "capture_rung": "http" } ], "artifact_digests": [ "sha256:0a387712ccf090b54a2b8d319db07c4e810c1863792af615ac2429a0f061818b", "sha256:4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945", "sha256:5d47c739617c38e2fc1f29a18ff2db3fab96953bfb29dfd3b6739610b81103c5", "sha256:daaa5a61d38337f12a270c95e85d0971f7f5404ac04c7a53f2e4aa7530201c5f" ], "source_surface": { "node_kind": "resource", "node_id": "message-operations" }, "locators": [ { "artifact_digest": "sha256:5d47c739617c38e2fc1f29a18ff2db3fab96953bfb29dfd3b6739610b81103c5", "start_byte": 32539, "end_byte": 33338, "value_digest": "sha256:3e8d56c7ceaf3ddfbd87926ff71371f23b633f757a5b94bbe150483b301df34a" }, { "artifact_digest": "sha256:5d47c739617c38e2fc1f29a18ff2db3fab96953bfb29dfd3b6739610b81103c5", "start_byte": 78341, "end_byte": 79140, "value_digest": "sha256:7d067883dcde79a82d323c059626ac3458b4da7b684de8b6f493344f8f2abcb9" } ] }, { "kind": "explicit_first_party_declaration", "captures": [ { "retained_capture_digest": "sha256:5f837dc698437c7bc9859cb58530843351cc0e7de1989c7398d624ff6a479487", "capture_rung": "http" } ], "artifact_digests": [ "sha256:36fcbafc6c54ed15daf4f7d470a8dc19758fdf756b6235c2bf5403ba000bb106", "sha256:4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945", "sha256:7a692fc3002e8fc657f976dbf9f0723ab87f4521e7326110b31f48d6ecd62b3e", "sha256:fb4b40c7f022cbb61040e4e372a1101c972158402d3cdb8c0c78b450ace51a4f" ], "source_surface": { "node_kind": "resource", "node_id": "delivery-status" }, "locators": [ { "artifact_digest": "sha256:36fcbafc6c54ed15daf4f7d470a8dc19758fdf756b6235c2bf5403ba000bb106", "start_byte": 23148, "end_byte": 23936, "value_digest": "sha256:dbc158853b777725911e0b7cd85d5d179c56c50f14e37472dbf7f3789b7b7a50" } ] }, { "kind": "explicit_first_party_declaration", "captures": [ { "retained_capture_digest": "sha256:13aa2f722561f09e2938264f75f5f0f2abd405eee738abc3f16361a9d4a63557", "capture_rung": "http" } ], "artifact_digests": [ "sha256:4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945", "sha256:854b666b44fa427b998a8cb7456f41692a381a6d00fb102dd6d41641dd746a99", "sha256:9181985827b6c05ea98c021b2283bf945895e98565690c0d72609d67e4ddab41", "sha256:9d3d164ec81e9018b0d60d6e7cd4b59b972bd3cda8baf3f526a8050d4a916de1" ], "source_surface": { "node_kind": "resource", "node_id": "api-overview" }, "locators": [ { "artifact_digest": "sha256:9181985827b6c05ea98c021b2283bf945895e98565690c0d72609d67e4ddab41", "start_byte": 9549, "end_byte": 10348, "value_digest": "sha256:290b9deae2f1cd2841197f4bb9c50bd7cad4c4cdd66ee574a9594d3b3bc2a502" } ] }, { "kind": "explicit_first_party_declaration", "captures": [ { "retained_capture_digest": "sha256:dc977599475084c4bd42de9f6f70dc51d5431d8d7aaf8d75df7c838f8a1c7ef9", "capture_rung": "http" } ], "artifact_digests": [ "sha256:14286474dbc97bd2ce45e9afc0516fb5639b02c49439aa3ebd735d1e18abfdfa", "sha256:4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945", "sha256:61e0c3692a30d450b1f7ca3ca23dadb545223b8ee930cb9c9454e128aeeac5e0", "sha256:a2ff9d33535165d648704c7d9ddf93b495731603869e3a506e70726d8a6fe130" ], "source_surface": { "node_kind": "resource", "node_id": "api-errors" }, "locators": [ { "artifact_digest": "sha256:14286474dbc97bd2ce45e9afc0516fb5639b02c49439aa3ebd735d1e18abfdfa", "start_byte": 14302, "end_byte": 15024, "value_digest": "sha256:95251a5c0c8a02a130b2f917a0aa41c347ec7f53d235dc62d8fe5da772d28af8" } ] } ], "note": "Essential targets have documented REST request endpoints, parameter types, JSON/XML schemas, HTTP status codes, status callback parameters, and deletion side effects." }, { "signal_code": "target_interface_access", "evaluation_role": "graded", "required": true, "value": "yes", "value_label": "Ready", "outcome": "pass", "public_state": "ready", "condition": "Can an agent perform every essential assessment target through a usable interface?", "finding": "Every essential target has a stable documented agent-usable interface alternative.", "evidence_status": "supported", "freshness": "fresh", "observed_at": "2026-09-06T08:51:11.399Z", "tested_surfaces": [ { "node_kind": "interface", "node_id": "messaging-api" } ], "assessment_method": { "name": "public-semantic-assessment", "version": "2026-09-06", "method_digest": "sha256:02ec902925d3816c86a32a3d15dc2e7af6ce9931c24b9cf264063e596952d1c4" }, "determination_bases": [ { "kind": "explicit_first_party_declaration", "captures": [ { "retained_capture_digest": "sha256:dc977599475084c4bd42de9f6f70dc51d5431d8d7aaf8d75df7c838f8a1c7ef9", "capture_rung": "http" } ], "artifact_digests": [ "sha256:14286474dbc97bd2ce45e9afc0516fb5639b02c49439aa3ebd735d1e18abfdfa", "sha256:4617bd9a99c86f96e31fe0bff10bfde9e41ed7378332340ccafa8e0e28360abe", "sha256:4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945", "sha256:a2ff9d33535165d648704c7d9ddf93b495731603869e3a506e70726d8a6fe130" ], "source_surface": { "node_kind": "resource", "node_id": "api-errors" }, "locators": [ { "artifact_digest": "sha256:14286474dbc97bd2ce45e9afc0516fb5639b02c49439aa3ebd735d1e18abfdfa", "start_byte": 8799, "end_byte": 9588, "value_digest": "sha256:55ee23ca9deeb7e65716bb51a6e4a11ead1c2f149e45574fe10dce35c4837d15" } ] }, { "kind": "explicit_first_party_declaration", "captures": [ { "retained_capture_digest": "sha256:13aa2f722561f09e2938264f75f5f0f2abd405eee738abc3f16361a9d4a63557", "capture_rung": "http" } ], "artifact_digests": [ "sha256:4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945", "sha256:854b666b44fa427b998a8cb7456f41692a381a6d00fb102dd6d41641dd746a99", "sha256:9181985827b6c05ea98c021b2283bf945895e98565690c0d72609d67e4ddab41", "sha256:9d3d164ec81e9018b0d60d6e7cd4b59b972bd3cda8baf3f526a8050d4a916de1" ], "source_surface": { "node_kind": "resource", "node_id": "api-overview" }, "locators": [ { "artifact_digest": "sha256:9181985827b6c05ea98c021b2283bf945895e98565690c0d72609d67e4ddab41", "start_byte": 9549, "end_byte": 10348, "value_digest": "sha256:290b9deae2f1cd2841197f4bb9c50bd7cad4c4cdd66ee574a9594d3b3bc2a502" } ] }, { "kind": "explicit_first_party_declaration", "captures": [ { "retained_capture_digest": "sha256:5f837dc698437c7bc9859cb58530843351cc0e7de1989c7398d624ff6a479487", "capture_rung": "http" } ], "artifact_digests": [ "sha256:21aaaf3ffbb0011bcc670398370fc07d12216f3e1946eccf14a1ed5d8c88b82c", "sha256:36fcbafc6c54ed15daf4f7d470a8dc19758fdf756b6235c2bf5403ba000bb106", "sha256:4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945", "sha256:7a692fc3002e8fc657f976dbf9f0723ab87f4521e7326110b31f48d6ecd62b3e" ], "source_surface": { "node_kind": "resource", "node_id": "delivery-status" }, "locators": [ { "artifact_digest": "sha256:36fcbafc6c54ed15daf4f7d470a8dc19758fdf756b6235c2bf5403ba000bb106", "start_byte": 21553, "end_byte": 22350, "value_digest": "sha256:f7b5d365f80ee89f89860d95b365e0ea2d67a307b5cea5024c9dfd6023b7297b" } ] }, { "kind": "explicit_first_party_declaration", "captures": [ { "retained_capture_digest": "sha256:2b0b5c6218e6b2c2166c5ada3c3254c554ebf70959a5587ad23b488b89c3d7f5", "capture_rung": "http" } ], "artifact_digests": [ "sha256:4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945", "sha256:5d47c739617c38e2fc1f29a18ff2db3fab96953bfb29dfd3b6739610b81103c5", "sha256:715bc87a7db4c3339d5b68a98e09776c9a58b5e911a58b6eda670646b754bb1a", "sha256:daaa5a61d38337f12a270c95e85d0971f7f5404ac04c7a53f2e4aa7530201c5f" ], "source_surface": { "node_kind": "resource", "node_id": "message-operations" }, "locators": [ { "artifact_digest": "sha256:5d47c739617c38e2fc1f29a18ff2db3fab96953bfb29dfd3b6739610b81103c5", "start_byte": 21536, "end_byte": 22332, "value_digest": "sha256:95d4b724ed2f43c72a38ebae0c0815e0784ffa70c89ca78d972c176583a367d0" } ] } ], "note": "Every assessed target is accessible via Twilio's HTTP REST API endpoints, Twilio CLI, and language-specific SDKs." } ], "blockers": [], "remediations": [ { "signal_code": "failure_contract", "code": "improve.operate.failure_contract", "instruction": "Document applicable structured errors, retry, cancellation, and reconciliation semantics." }, { "signal_code": "credential_lifecycle", "code": "improve.operate.credential_lifecycle", "instruction": "Provide scoped expiry, rotation, revocation, compromise, and recovery operations." } ] } ], "coverage": { "status": "complete", "required_signals": 14, "covered_signals": 14, "ratio": 1, "barrier_signals": 5, "verified_barrier_signals": 0, "barrier_ratio": 0 }, "last_tested_at": "2026-09-06T08:51:49.040Z", "freshness": "fresh", "provenance": { "freshness": "fresh", "dispute": "none", "coverage_policy_digest": "sha256:fc9e8f046d86fcf19ab2f1bc547219e503cdc11ffa135d020db7285965cd7d1d", "freshness_policy_digest": "sha256:b71bacf415fdbef01024355fb3d080df7a9dca05d2cce9a2a1f691fe8a60f579", "basis_event_ids": [ "sha256:0163643fae66b82eb0a04f8605cb58444af2901e672fbcfeca0ac330a92ff6da", 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