{
  "api_contract": "sourcey.catalog-api/v1",
  "release_id": "sha256:5f55a0147eca9a82d821b7cfb73339dd8059c146b9acbb6ed66c9e3d40a8e1b0",
  "artifact_sha256": "sha256:ec393385ec4e7be15a393d925f0df78d54a12787f2995a84fad1b570583dac06",
  "data": {
    "revision_contract": "sourcey.agent-readiness-revision/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"
    },
    "declaration_revision_digest": "sha256:773c0377718a4a16744632b021acffc989f89e356e398aad409db9c039dd892e",
    "declaration": {
      "declaration_id": "declaration_twilio_messaging_api_operations",
      "provenance": {
        "repository": "sourcey/agent-ready-services",
        "commit": "ca383f7867c18d91567fcb8326be55f7411d9554",
        "path": "entities/tw/twilio.yaml",
        "git_blob_oid": "fd6a1d3dfa32ff65fea88976f1decb9d809ead58",
        "blob_digest": "sha256:20a176cc3ebb5373112b22e3393e5c5b47241df5dd1aa631f042bced235b1ecf"
      },
      "status": "community_declared"
    },
    "lifecycle": "active",
    "effective_from": "2026-09-06T08:47:58Z",
    "signals": [
      {
        "stage": "evaluate",
        "signal_code": "eligibility_decidability",
        "selector_group_id": "eligibility_decidability-primary",
        "value": "yes",
        "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."
      },
      {
        "stage": "evaluate",
        "signal_code": "pricing_decidability",
        "selector_group_id": "pricing_decidability-primary",
        "value": "yes",
        "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."
      },
      {
        "stage": "evaluate",
        "signal_code": "service_discovery",
        "selector_group_id": "service_discovery-primary",
        "value": "yes",
        "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."
      },
      {
        "stage": "evaluate",
        "signal_code": "structured_evaluation_discovery",
        "selector_group_id": "structured_evaluation_discovery-primary",
        "value": "unknown",
        "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."
      },
      {
        "stage": "evaluate",
        "signal_code": "terms_access",
        "selector_group_id": "terms_access-primary",
        "value": "yes",
        "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."
      },
      {
        "stage": "evaluate",
        "signal_code": "verified_web_agent_access",
        "selector_group_id": "verified_web_agent_access-primary",
        "value": "unknown",
        "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."
      },
      {
        "stage": "sign_up",
        "signal_code": "access_control_operability",
        "selector_group_id": "access_control_operability-primary",
        "value": "unknown",
        "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."
      },
      {
        "stage": "sign_up",
        "signal_code": "access_entrypoint_stability",
        "selector_group_id": "access_entrypoint_stability-primary",
        "value": "yes",
        "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."
      },
      {
        "stage": "sign_up",
        "signal_code": "captcha_compatible_access",
        "selector_group_id": "captcha_compatible_access-primary",
        "value": "unknown",
        "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."
      },
      {
        "stage": "sign_up",
        "signal_code": "delegated_identity_access",
        "selector_group_id": "delegated_identity_access-primary",
        "value": "partial",
        "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"
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        ],
        "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."
      },
      {
        "stage": "sign_up",
        "signal_code": "phone_verification_compatible",
        "selector_group_id": "phone_verification_compatible-primary",
        "value": "unknown",
        "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."
      },
      {
        "stage": "pay",
        "signal_code": "checkout_operability",
        "selector_group_id": "checkout_operability-primary",
        "value": "unknown",
        "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",
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        "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."
      },
      {
        "stage": "pay",
        "signal_code": "commitment_disclosure",
        "selector_group_id": "commitment_disclosure-primary",
        "value": "yes",
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        "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."
      },
      {
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        "signal_code": "payment_authorization",
        "selector_group_id": "payment_authorization-primary",
        "value": "unknown",
        "observed_at": "2026-09-06T08:51:16.259Z",
        "tested_surfaces": [
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        "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."
      },
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        "signal_code": "self_service_purchase",
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        "tested_surfaces": [
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        ],
        "assessment_method": {
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      },
      {
        "stage": "operate",
        "signal_code": "failure_contract",
        "selector_group_id": "failure_contract-primary",
        "value": "partial",
        "observed_at": "2026-09-06T08:51:11.399Z",
        "tested_surfaces": [
          {
            "node_kind": "resource",
            "node_id": "api-errors"
          },
          {
            "node_kind": "resource",
            "node_id": "delivery-status"
          }
        ],
        "assessment_method": {
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          "version": "2026-09-06",
          "method_digest": "sha256:02ec902925d3816c86a32a3d15dc2e7af6ce9931c24b9cf264063e596952d1c4"
        },
        "determination_bases": [
          {
            "kind": "explicit_first_party_declaration",
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              {
                "retained_capture_digest": "sha256:5f837dc698437c7bc9859cb58530843351cc0e7de1989c7398d624ff6a479487",
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            ],
            "artifact_digests": [
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            "source_surface": {
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            "locators": [
              {
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          },
          {
            "kind": "explicit_first_party_declaration",
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              {
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            ],
            "artifact_digests": [
              "sha256:14286474dbc97bd2ce45e9afc0516fb5639b02c49439aa3ebd735d1e18abfdfa",
              "sha256:4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945",
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              "sha256:f3f927b25131cdefd92917d9c6b3798c4924ecf5227f93e194da7ef49d10c6fb"
            ],
            "source_surface": {
              "node_kind": "resource",
              "node_id": "api-errors"
            },
            "locators": [
              {
                "artifact_digest": "sha256:14286474dbc97bd2ce45e9afc0516fb5639b02c49439aa3ebd735d1e18abfdfa",
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        ],
        "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."
      },
      {
        "stage": "operate",
        "signal_code": "operation_authentication",
        "selector_group_id": "operation_authentication-primary",
        "value": "yes",
        "observed_at": "2026-09-06T08:51:14.029Z",
        "tested_surfaces": [
          {
            "node_kind": "resource",
            "node_id": "authentication"
          },
          {
            "node_kind": "resource",
            "node_id": "readiness-47aea8764f65bef5ae609e63da151056f2bd9524f1ca17ae649c7581d80055ed"
          },
          {
            "node_kind": "resource",
            "node_id": "readiness-f640bfb2a3f247e81fd4038d810324e1b4c9b8a91951aae133740a3d156b1dd0"
          }
        ],
        "assessment_method": {
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          "method_digest": "sha256:02ec902925d3816c86a32a3d15dc2e7af6ce9931c24b9cf264063e596952d1c4"
        },
        "determination_bases": [
          {
            "kind": "explicit_first_party_declaration",
            "captures": [
              {
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                "capture_rung": "http"
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            ],
            "artifact_digests": [
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            "source_surface": {
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            ],
            "artifact_digests": [
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            "source_surface": {
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          {
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              {
                "retained_capture_digest": "sha256:ec3157d4263f334b21ab0c0bf63b31fe85ac806e5827b2bff02db3b9efe3ef1f",
                "capture_rung": "http"
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            ],
            "artifact_digests": [
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              "sha256:90045a647b31a06c004e0f70332b1a4efd0bd1bdc6ae1432b0deadefdc01b6b5",
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            "source_surface": {
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            "locators": [
              {
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        ],
        "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."
      },
      {
        "stage": "operate",
        "signal_code": "operation_contract",
        "selector_group_id": "operation_contract-primary",
        "value": "yes",
        "observed_at": "2026-09-06T08:51:11.399Z",
        "tested_surfaces": [
          {
            "node_kind": "interface",
            "node_id": "messaging-api"
          }
        ],
        "assessment_method": {
          "name": "public-semantic-assessment",
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          "method_digest": "sha256:02ec902925d3816c86a32a3d15dc2e7af6ce9931c24b9cf264063e596952d1c4"
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        "determination_bases": [
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              "sha256:daaa5a61d38337f12a270c95e85d0971f7f5404ac04c7a53f2e4aa7530201c5f"
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            "source_surface": {
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            "locators": [
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          {
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                "capture_rung": "http"
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            ],
            "artifact_digests": [
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              "sha256:7a692fc3002e8fc657f976dbf9f0723ab87f4521e7326110b31f48d6ecd62b3e",
              "sha256:fb4b40c7f022cbb61040e4e372a1101c972158402d3cdb8c0c78b450ace51a4f"
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            "source_surface": {
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            "source_surface": {
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            ],
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            "source_surface": {
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        "note": "Essential targets have documented REST request endpoints, parameter types, JSON/XML schemas, HTTP status codes, status callback parameters, and deletion side effects."
      },
      {
        "stage": "operate",
        "signal_code": "target_interface_access",
        "selector_group_id": "target_interface_access-primary",
        "value": "yes",
        "observed_at": "2026-09-06T08:51:11.399Z",
        "tested_surfaces": [
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            "node_id": "messaging-api"
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        ],
        "assessment_method": {
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          "method_digest": "sha256:02ec902925d3816c86a32a3d15dc2e7af6ce9931c24b9cf264063e596952d1c4"
        },
        "determination_bases": [
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                "capture_rung": "http"
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            ],
            "artifact_digests": [
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                "capture_rung": "http"
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            "source_surface": {
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              "sha256:715bc87a7db4c3339d5b68a98e09776c9a58b5e911a58b6eda670646b754bb1a",
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        ],
        "note": "Every assessed target is accessible via Twilio's HTTP REST API endpoints, Twilio CLI, and language-specific SDKs."
      }
    ],
    "revision_digest": "sha256:ee6ef3e43e31bfb046ea5697f5abe679cae6f01a9a407ebf4c2a5e282e7bb1d9"
  }
}