{
  "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_01kzf0m4xg7f2qx5a9t4kn8yc1",
    "entity_id": "ent_01kyh8fpe5xfhy18q4ccs4a07n",
    "scope": {
      "product": {
        "key": "resend-email-api",
        "name": "Resend Email API"
      },
      "funnel": {
        "key": "email-operations",
        "name": "Email operations"
      }
    },
    "catalog_binding": {
      "base_release_id": "sha256:8986cb1640fd748dd005e5c94c7b02d3f44a3d39ff6b72573091bd81af84c61e",
      "entity_revision_digest": "sha256:fa431d85735d9d0d9bb6217327736315684c127693bbdcb7cccded272abd8e3f"
    },
    "declaration_revision_digest": "sha256:6cb7a7727c7a72439ef0309a5451fac024196dfa1243c9ed485f3d473154a8cd",
    "declaration": {
      "declaration_id": "declaration_resend_email_api_operations",
      "provenance": {
        "repository": "sourcey/agent-ready-services",
        "commit": "ca383f7867c18d91567fcb8326be55f7411d9554",
        "path": "entities/re/resend.yaml",
        "git_blob_oid": "b73bb52d14ded6ea52f74765cae8c32cc1ba7b46",
        "blob_digest": "sha256:880195b74abb9136a0685dd2e1362eb768c21f659142ca092002a9adcde21fc9"
      },
      "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": "2026-09-06T08:50:46.842Z",
        "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": "sha256:8121144366feb2dde6ac753a38dd33e4378c272ce574e597c298e55e7f3e92c2",
                "capture_rung": "http"
              }
            ],
            "artifact_digests": [
              "sha256:0168150a905d68619ba1555b7c3c2fe82841c04f34789c8583856ee01c2201f2",
              "sha256:4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945",
              "sha256:d9c0ab6d2aad3ccd83bb9b140dfc187445d989a0cfaa874b6249da1f08414436",
              "sha256:dfdf79a92d964e56548d77421bc85817ddb5d9c91f08df55571d43c3142159f7"
            ],
            "source_surface": {
              "node_kind": "resource",
              "node_id": "service-terms"
            },
            "locators": [
              {
                "artifact_digest": "sha256:dfdf79a92d964e56548d77421bc85817ddb5d9c91f08df55571d43c3142159f7",
                "start_byte": 12480,
                "end_byte": 13280,
                "value_digest": "sha256:0e6df3651295f9a93b09aedba50d27ed9f42c3f605ac41c0055a4075803dd6aa"
              }
            ]
          }
        ],
        "note": "Resend's Terms of Service state that the service is intended for individuals at least 18 years old with the full authority, right, and capacity to enter into the agreement."
      },
      {
        "stage": "evaluate",
        "signal_code": "pricing_decidability",
        "selector_group_id": "pricing_decidability-primary",
        "value": "yes",
        "observed_at": "2026-09-06T08:51:35.643Z",
        "tested_surfaces": [
          {
            "node_kind": "resource",
            "node_id": "pricing"
          }
        ],
        "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:fd6dedb311db9a161aa1aa6c7148a0812825c8145118a5ca0fc7ecf78951a4ac",
                "capture_rung": "http"
              }
            ],
            "artifact_digests": [
              "sha256:14a4fcf5ce0a326b2fcf47d0ea5f42b7bc36606da9b36cd832cdc865cf8fe62d",
              "sha256:4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945",
              "sha256:5b12a710cdf7071404831b2446aaae94fd8f30707a4394d589c7560241b51565",
              "sha256:d36297e71473ef699515f8c6b2909f1139445a83e1ddd6ebf2b129e8c2798ee7"
            ],
            "source_surface": {
              "node_kind": "resource",
              "node_id": "pricing"
            },
            "locators": [
              {
                "artifact_digest": "sha256:d36297e71473ef699515f8c6b2909f1139445a83e1ddd6ebf2b129e8c2798ee7",
                "start_byte": 14430,
                "end_byte": 15225,
                "value_digest": "sha256:c65ba9b244885316e666ce8f7bdb3e17557c3537c8131814a795f44f98a24297"
              },
              {
                "artifact_digest": "sha256:d36297e71473ef699515f8c6b2909f1139445a83e1ddd6ebf2b129e8c2798ee7",
                "start_byte": 15226,
                "end_byte": 16009,
                "value_digest": "sha256:9af0e7da7c9d5815ea264ee31b7b3de4e7dc584fb9e3c58c68be6b350a27c061"
              }
            ]
          }
        ],
        "note": "Resend provides explicit pricing details, including a Free tier ($0/mo for 3,000 emails/mo), Pro ($20/mo for 50,000 emails/mo plus $0.90 per 1,000 extra emails), Scale ($90/mo for 100,000 emails/mo plus $0.90 per 1,000 extra emails), and explicit pay-as-you-go automation pricing ($0.0015 per run)."
      },
      {
        "stage": "evaluate",
        "signal_code": "service_discovery",
        "selector_group_id": "service_discovery-primary",
        "value": "yes",
        "observed_at": "2026-09-06T08:50:16.983Z",
        "tested_surfaces": [
          {
            "node_kind": "resource",
            "node_id": "api-reference"
          }
        ],
        "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": "sha256:954c4908819786c72628034d3888672c3016b80be81bfa1803426c4088c51145",
                "capture_rung": "http"
              }
            ],
            "artifact_digests": [
              "sha256:3a1e463420ca58a01d7a9a7d0e71061a6e97f3b15d11e0c7dedd0df371edebd6",
              "sha256:4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945",
              "sha256:b25cbd8507d3401500e4738db2a4d757d630c98d39da686a142ea33a796d5648",
              "sha256:d015cebf7540c4cc73c17d9a8e123bb1275d160deef604adb46a099257981f9e"
            ],
            "source_surface": {
              "node_kind": "resource",
              "node_id": "api-reference"
            },
            "locators": [
              {
                "artifact_digest": "sha256:b25cbd8507d3401500e4738db2a4d757d630c98d39da686a142ea33a796d5648",
                "start_byte": 15362,
                "end_byte": 16161,
                "value_digest": "sha256:5b60e8012392bb58020c8cc1204cfe609ae70d6b3f9b0855aae3cd2276d4f1cc"
              }
            ]
          }
        ],
        "note": "Resend documents its RESTful API introduction and base URL as https://api.resend.com, requiring HTTPS and Bearer token authentication with an API Key."
      },
      {
        "stage": "evaluate",
        "signal_code": "structured_evaluation_discovery",
        "selector_group_id": "structured_evaluation_discovery-primary",
        "value": "yes",
        "observed_at": "2026-09-06T08:51:12.769Z",
        "tested_surfaces": [
          {
            "node_kind": "resource",
            "node_id": "api-keys"
          },
          {
            "node_kind": "resource",
            "node_id": "api-reference"
          }
        ],
        "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": "sha256:1e56376b640d3530b91e085c5c57221240791fa1bb81a0d9d341508f11cf3732",
                "capture_rung": "http"
              }
            ],
            "artifact_digests": [
              "sha256:08f9f0038544499cbbac6ecf420dde88433a191a98730f727a3f6423f6ead8ca",
              "sha256:4e6673e2fd3a3a64474086d5c952fd76ebe90fe1302f5847487a59b1de709bce",
              "sha256:4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945",
              "sha256:517be653c7b1c0f7aab3a6750a9fe593d342de3efbd4ac7a77285cd518e7a180"
            ],
            "source_surface": {
              "node_kind": "resource",
              "node_id": "api-keys"
            },
            "locators": [
              {
                "artifact_digest": "sha256:517be653c7b1c0f7aab3a6750a9fe593d342de3efbd4ac7a77285cd518e7a180",
                "start_byte": 9378,
                "end_byte": 10151,
                "value_digest": "sha256:34226db8b3adceab88f57e03aa4c5ebc933acd3930341bd4a6817ebafef4d092"
              }
            ]
          }
        ],
        "note": "Resend provides a verified structured documentation index artifact at /docs/llms.txt to discover all available pages."
      },
      {
        "stage": "evaluate",
        "signal_code": "terms_access",
        "selector_group_id": "terms_access-primary",
        "value": "yes",
        "observed_at": "2026-09-06T08:50:46.842Z",
        "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": "sha256:8121144366feb2dde6ac753a38dd33e4378c272ce574e597c298e55e7f3e92c2",
                "capture_rung": "http"
              }
            ],
            "artifact_digests": [
              "sha256:0168150a905d68619ba1555b7c3c2fe82841c04f34789c8583856ee01c2201f2",
              "sha256:4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945",
              "sha256:982112fb033790db19ac01519b0cde5d827672ac88f1f55402d971cd67827154",
              "sha256:dfdf79a92d964e56548d77421bc85817ddb5d9c91f08df55571d43c3142159f7"
            ],
            "source_surface": {
              "node_kind": "resource",
              "node_id": "service-terms"
            },
            "locators": [
              {
                "artifact_digest": "sha256:dfdf79a92d964e56548d77421bc85817ddb5d9c91f08df55571d43c3142159f7",
                "start_byte": 2916,
                "end_byte": 3714,
                "value_digest": "sha256:c0ae1aaecde73642459e3f1456d441fc44b30695a64cfe7eb70b81dd8db946a6"
              }
            ]
          }
        ],
        "note": "Resend makes its complete Terms of Service agreement publicly retrievable and readable at https://resend.com/legal/terms-of-service."
      },
      {
        "stage": "evaluate",
        "signal_code": "verified_web_agent_access",
        "selector_group_id": "verified_web_agent_access-primary",
        "value": "yes",
        "observed_at": "2026-09-06T08:51:12.769Z",
        "tested_surfaces": [
          {
            "node_kind": "resource",
            "node_id": "api-keys"
          },
          {
            "node_kind": "resource",
            "node_id": "api-reference"
          }
        ],
        "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": "sha256:1e56376b640d3530b91e085c5c57221240791fa1bb81a0d9d341508f11cf3732",
                "capture_rung": "http"
              }
            ],
            "artifact_digests": [
              "sha256:08f9f0038544499cbbac6ecf420dde88433a191a98730f727a3f6423f6ead8ca",
              "sha256:4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945",
              "sha256:517be653c7b1c0f7aab3a6750a9fe593d342de3efbd4ac7a77285cd518e7a180",
              "sha256:f456fd563d10aff2d3a4ae1f8f0340abb52ca522717be04c52251bfce54ce104"
            ],
            "source_surface": {
              "node_kind": "resource",
              "node_id": "api-keys"
            },
            "locators": [
              {
                "artifact_digest": "sha256:517be653c7b1c0f7aab3a6750a9fe593d342de3efbd4ac7a77285cd518e7a180",
                "start_byte": 0,
                "end_byte": 792,
                "value_digest": "sha256:acb1ab24e64181edc19a4e635cdf1758b3a9d47585fdb3733529702cfba863d2"
              }
            ]
          }
        ],
        "note": "Resend explicitly declares web agent access policy metadata allowing indexing and following (robots: index, follow, googlebot: index, follow)."
      },
      {
        "stage": "sign_up",
        "signal_code": "access_control_operability",
        "selector_group_id": "access_control_operability-primary",
        "value": "unknown",
        "observed_at": "2026-09-06T08:50:15.886Z",
        "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 Resend sign-up form exposes email and password fields with validation hints and OAuth options; whether the required controls, validation, navigation and handoffs are machine-operable was not established by the single captured page."
      },
      {
        "stage": "sign_up",
        "signal_code": "access_entrypoint_stability",
        "selector_group_id": "access_entrypoint_stability-primary",
        "value": "yes",
        "observed_at": "2026-09-06T08:50:15.886Z",
        "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": "direct_observation",
            "captures": [
              {
                "retained_capture_digest": "sha256:b073d4769215a072e3627c257775e2ad494b61679bd8fe5592b125b88d7b7678",
                "capture_rung": "headless"
              }
            ],
            "artifact_digests": [
              "sha256:235ce0aa82abc451284e6de5043d74c79114936be94cdd3333bc31fb601d2ea7",
              "sha256:4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945",
              "sha256:894499213df316d146caac686c105fb4547c6fbcdcbbc9e0b9ed3970c93110b9",
              "sha256:b5a70b279feda1152218c7cd0b6f8e1c2d190d0133dfa157c276378a3bbcc6f6",
              "sha256:d44f59877afaf8a4a1ebff13bbdd2a70f7a810ec77b6f66244a3e2e4f3d04547",
              "sha256:ffd98c3bb9a34a300267defdf8c13a0bbb4343958be7dc02672ad1c16602f482"
            ],
            "locators": [
              {
                "artifact_digest": "sha256:894499213df316d146caac686c105fb4547c6fbcdcbbc9e0b9ed3970c93110b9",
                "start_byte": 716,
                "end_byte": 1051,
                "value_digest": "sha256:d76bff3b37cb950802d1eca12f0c1c495aefd4c181ea0e552baa9583bc2c7611"
              }
            ]
          }
        ],
        "note": "A stable canonical route to begin obtaining service access exists at https://resend.com/signup, featuring a 'Create a Resend account' form."
      },
      {
        "stage": "sign_up",
        "signal_code": "captcha_compatible_access",
        "selector_group_id": "captcha_compatible_access-primary",
        "value": "unknown",
        "observed_at": "2026-09-06T08:50:15.886Z",
        "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 Resend sign-up form renders email, password and Google or GitHub options; the captured first page does not establish whether a CAPTCHA appears on submission or a supported agent alternative exists."
      },
      {
        "stage": "sign_up",
        "signal_code": "delegated_identity_access",
        "selector_group_id": "delegated_identity_access-primary",
        "value": "partial",
        "observed_at": "2026-09-06T08:51:12.769Z",
        "tested_surfaces": [
          {
            "node_kind": "resource",
            "node_id": "api-keys"
          },
          {
            "node_kind": "resource",
            "node_id": "readiness-9d5754b3e4da24415ca78fa40ecba0b3ca9ce3ef666e7063fd8d1258bdecc351"
          }
        ],
        "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": "sha256:385ff558b8eab37f1721f2f5a0887461d4461d30e6808d2f356c4c7be9d7631a",
                "capture_rung": "http"
              }
            ],
            "artifact_digests": [
              "sha256:02b36ec5d19e8531029d9df58058985d1219eeb2d7c150407fbd512e7b1e54d4",
              "sha256:48c611d0e47dbd180c8984056fb6ef3ef20af3b1f95a5313253a311f9d5719d4",
              "sha256:4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945",
              "sha256:9785c811328f9076e77f6857a1a529dc5eb5d52ea593e125495a175542e2d1d3"
            ],
            "source_surface": {
              "node_kind": "resource",
              "node_id": "readiness-9d5754b3e4da24415ca78fa40ecba0b3ca9ce3ef666e7063fd8d1258bdecc351"
            },
            "locators": [
              {
                "artifact_digest": "sha256:9785c811328f9076e77f6857a1a529dc5eb5d52ea593e125495a175542e2d1d3",
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                "end_byte": 15121,
                "value_digest": "sha256:6c06b3b5960aa5d0b7a5bbbb146d5044767409cb5f1b673567d32e7dd8814820"
              }
            ]
          },
          {
            "kind": "explicit_first_party_declaration",
            "captures": [
              {
                "retained_capture_digest": "sha256:1e56376b640d3530b91e085c5c57221240791fa1bb81a0d9d341508f11cf3732",
                "capture_rung": "http"
              }
            ],
            "artifact_digests": [
              "sha256:08f9f0038544499cbbac6ecf420dde88433a191a98730f727a3f6423f6ead8ca",
              "sha256:4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945",
              "sha256:517be653c7b1c0f7aab3a6750a9fe593d342de3efbd4ac7a77285cd518e7a180",
              "sha256:f294189f8590f173e456c54715d07a0f4ae31d939cabb7b106b92a7515613a54"
            ],
            "source_surface": {
              "node_kind": "resource",
              "node_id": "api-keys"
            },
            "locators": [
              {
                "artifact_digest": "sha256:517be653c7b1c0f7aab3a6750a9fe593d342de3efbd4ac7a77285cd518e7a180",
                "start_byte": 10942,
                "end_byte": 11739,
                "value_digest": "sha256:6f27880693a9395a8537fa6dc7a5da80ed3ae8d12f52588ab18d53105622502e"
              }
            ]
          }
        ],
        "note": "Resend provides machine credentials in the form of API keys with specific permissions (e.g. full access vs sending access) that can be created, updated, and deleted via API or Dashboard, but keys cannot be viewed after creation and manual handling or copying may be involved."
      },
      {
        "stage": "sign_up",
        "signal_code": "phone_verification_compatible",
        "selector_group_id": "phone_verification_compatible-primary",
        "value": "unknown",
        "observed_at": "2026-09-06T08:50:15.886Z",
        "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 captured Resend sign-up form shows no phone field; the quotes do not establish whether phone verification appears later in the flow or how such a step would resume."
      },
      {
        "stage": "pay",
        "signal_code": "checkout_operability",
        "selector_group_id": "checkout_operability-primary",
        "value": "unknown",
        "observed_at": "2026-09-06T08:51:20.312Z",
        "tested_surfaces": [
          {
            "node_kind": "resource",
            "node_id": "billing-checkout"
          },
          {
            "node_kind": "resource",
            "node_id": "pricing"
          }
        ],
        "assessment_method": {
          "name": "public-semantic-assessment",
          "version": "2026-09-06",
          "method_digest": "sha256:02ec902925d3816c86a32a3d15dc2e7af6ce9931c24b9cf264063e596952d1c4"
        },
        "determination_bases": [],
        "note": "The retained evidence for Resend describes managing subscriptions and adding payment methods in the billing settings, but it does not establish deterministic agent checkout construction, bounded authorization handoff, and resumption."
      },
      {
        "stage": "pay",
        "signal_code": "commitment_disclosure",
        "selector_group_id": "commitment_disclosure-primary",
        "value": "yes",
        "observed_at": "2026-09-06T08:51:35.643Z",
        "tested_surfaces": [
          {
            "node_kind": "resource",
            "node_id": "pricing"
          }
        ],
        "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:fd6dedb311db9a161aa1aa6c7148a0812825c8145118a5ca0fc7ecf78951a4ac",
                "capture_rung": "http"
              }
            ],
            "artifact_digests": [
              "sha256:4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945",
              "sha256:5b12a710cdf7071404831b2446aaae94fd8f30707a4394d589c7560241b51565",
              "sha256:cbf4b402cdcca7db33ef2282f554d2ff0570cd857b850778db25c1e0ec227b76",
              "sha256:d36297e71473ef699515f8c6b2909f1139445a83e1ddd6ebf2b129e8c2798ee7"
            ],
            "source_surface": {
              "node_kind": "resource",
              "node_id": "pricing"
            },
            "locators": [
              {
                "artifact_digest": "sha256:d36297e71473ef699515f8c6b2909f1139445a83e1ddd6ebf2b129e8c2798ee7",
                "start_byte": 4868,
                "end_byte": 5666,
                "value_digest": "sha256:030b6d26ce4769ed9dc7ba202f003ebc6957c4ef7421150ec824d7b06e699566"
              }
            ]
          }
        ],
        "note": "Resend explicitly discloses commercial commitments on its pricing page, including fixed plans ($0/mo Free, $20/mo Pro, $90/mo Scale in USD) and variable pay-as-you-go rates ($0.90 per 1,000 extra emails and $0.0015 per automation run)."
      },
      {
        "stage": "pay",
        "signal_code": "payment_authorization",
        "selector_group_id": "payment_authorization-primary",
        "value": "unknown",
        "observed_at": "2026-09-06T08:51:20.312Z",
        "tested_surfaces": [
          {
            "node_kind": "resource",
            "node_id": "billing-checkout"
          },
          {
            "node_kind": "resource",
            "node_id": "pricing"
          }
        ],
        "assessment_method": {
          "name": "public-semantic-assessment",
          "version": "2026-09-06",
          "method_digest": "sha256:02ec902925d3816c86a32a3d15dc2e7af6ce9931c24b9cf264063e596952d1c4"
        },
        "determination_bases": [],
        "note": "The evidence describes updating payment information and credit card details in the Billing section, but it does not document scoped delegation or explicit human-confirmed payment authorization rails with receipts."
      },
      {
        "stage": "pay",
        "signal_code": "self_service_purchase",
        "selector_group_id": "self_service_purchase-primary",
        "value": "partial",
        "observed_at": "2026-09-06T08:51:35.643Z",
        "tested_surfaces": [
          {
            "node_kind": "resource",
            "node_id": "billing-checkout"
          },
          {
            "node_kind": "resource",
            "node_id": "pricing"
          }
        ],
        "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:fd6dedb311db9a161aa1aa6c7148a0812825c8145118a5ca0fc7ecf78951a4ac",
                "capture_rung": "http"
              }
            ],
            "artifact_digests": [
              "sha256:4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945",
              "sha256:5b12a710cdf7071404831b2446aaae94fd8f30707a4394d589c7560241b51565",
              "sha256:d36297e71473ef699515f8c6b2909f1139445a83e1ddd6ebf2b129e8c2798ee7",
              "sha256:edf9413ad7f695d252f8f2bf9d881332d4162a0bad85f98917407f0e0871240f"
            ],
            "source_surface": {
              "node_kind": "resource",
              "node_id": "pricing"
            },
            "locators": [
              {
                "artifact_digest": "sha256:d36297e71473ef699515f8c6b2909f1139445a83e1ddd6ebf2b129e8c2798ee7",
                "start_byte": 15226,
                "end_byte": 16009,
                "value_digest": "sha256:9af0e7da7c9d5815ea264ee31b7b3de4e7dc584fb9e3c58c68be6b350a27c061"
              }
            ]
          },
          {
            "kind": "explicit_first_party_declaration",
            "captures": [
              {
                "retained_capture_digest": "sha256:1524a60e4b85bb9e8c2f820bab79abaed25cba877e281ebf2bb3113ae94885ce",
                "capture_rung": "http"
              }
            ],
            "artifact_digests": [
              "sha256:312820bddf6b4524e1fd07602f61e9b1e398b9a15b7cee4d82bc4fcdd8f0e913",
              "sha256:35b561f199a746412edf10e7889e6beee3bd0ae8955616b6915c6f8f68afabde",
              "sha256:4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945",
              "sha256:633f8b66d7300e67c2072ce22de46700aa93209ed1a9f0280c7311470bee66c1"
            ],
            "source_surface": {
              "node_kind": "resource",
              "node_id": "billing-checkout"
            },
            "locators": [
              {
                "artifact_digest": "sha256:633f8b66d7300e67c2072ce22de46700aa93209ed1a9f0280c7311470bee66c1",
                "start_byte": 10397,
                "end_byte": 11195,
                "value_digest": "sha256:1c9bb187591f6d4ac032404301f4e08ad9f08ec66dcf2ec62cb1d52822428738"
              }
            ]
          }
        ],
        "note": "Resend provides a documented self-service path to upgrade, downgrade, or modify plans (such as Pro and Scale) via the Billing settings page without vendor review, but Enterprise plans require contacting sales."
      },
      {
        "stage": "provision",
        "signal_code": "access_material_delivery",
        "selector_group_id": "access_material_delivery-primary",
        "value": "yes",
        "observed_at": "2026-09-06T08:50:37.655Z",
        "tested_surfaces": [
          {
            "node_kind": "resource",
            "node_id": "api-keys"
          },
          {
            "node_kind": "resource",
            "node_id": "readiness-9d5754b3e4da24415ca78fa40ecba0b3ca9ce3ef666e7063fd8d1258bdecc351"
          }
        ],
        "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": "sha256:385ff558b8eab37f1721f2f5a0887461d4461d30e6808d2f356c4c7be9d7631a",
                "capture_rung": "http"
              }
            ],
            "artifact_digests": [
              "sha256:02b36ec5d19e8531029d9df58058985d1219eeb2d7c150407fbd512e7b1e54d4",
              "sha256:4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945",
              "sha256:9785c811328f9076e77f6857a1a529dc5eb5d52ea593e125495a175542e2d1d3",
              "sha256:ef3780df4b4bca60bfd8af7e741bfaf7679e873b471d311b8564d49ff0e782e7"
            ],
            "source_surface": {
              "node_kind": "resource",
              "node_id": "readiness-9d5754b3e4da24415ca78fa40ecba0b3ca9ce3ef666e7063fd8d1258bdecc351"
            },
            "locators": [
              {
                "artifact_digest": "sha256:9785c811328f9076e77f6857a1a529dc5eb5d52ea593e125495a175542e2d1d3",
                "start_byte": 16212,
                "end_byte": 17006,
                "value_digest": "sha256:7d3b1e708c8b40187d5a04a1a81b05d70bf3520a7ab9707854058849c2750ad0"
              },
              {
                "artifact_digest": "sha256:9785c811328f9076e77f6857a1a529dc5eb5d52ea593e125495a175542e2d1d3",
                "start_byte": 18267,
                "end_byte": 19071,
                "value_digest": "sha256:b19e150a15a1f1ce3db952de3eb267a238e87737dbe69fa89c4eb9bbbe0caefc"
              }
            ]
          }
        ],
        "note": "Resend provides a documented POST /api-keys programmatic endpoint that creates and returns new API key credentials with a 'token' property in a JSON response object."
      },
      {
        "stage": "provision",
        "signal_code": "provisioning_completion",
        "selector_group_id": "provisioning_completion-primary",
        "value": "yes",
        "observed_at": "2026-09-06T08:50:56.598Z",
        "tested_surfaces": [
          {
            "node_kind": "resource",
            "node_id": "send-email"
          }
        ],
        "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:b94c67b0d109027fc56e5c21b359424fce6d0fed4888644c839aafc0e6797379",
                "capture_rung": "http"
              }
            ],
            "artifact_digests": [
              "sha256:0127e440973426c840ef2c7ee3b237f03fc93855f5c1172414b5e1a82a6609d1",
              "sha256:202a244ffd5a23af004eb346d56cbefdc64a70520549e4d513b8a4ae02a473be",
              "sha256:4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945",
              "sha256:f072e87e600ff928ff04aadfd0840a242f826307f661266af0b4caebb3a59d05"
            ],
            "source_surface": {
              "node_kind": "resource",
              "node_id": "send-email"
            },
            "locators": [
              {
                "artifact_digest": "sha256:f072e87e600ff928ff04aadfd0840a242f826307f661266af0b4caebb3a59d05",
                "start_byte": 21048,
                "end_byte": 21854,
                "value_digest": "sha256:b26ddfbf13a4617a1028ae8eb4ba0f1c09b6da1e6f0894da13bb857c32b0676e"
              }
            ]
          }
        ],
        "note": "The POST /emails endpoint synchronously returns a usable created resource containing an 'id' property upon success."
      },
      {
        "stage": "provision",
        "signal_code": "provisioning_operability",
        "selector_group_id": "provisioning_operability-primary",
        "value": "yes",
        "observed_at": "2026-09-06T08:51:12.769Z",
        "tested_surfaces": [
          {
            "node_kind": "resource",
            "node_id": "api-keys"
          },
          {
            "node_kind": "resource",
            "node_id": "send-email"
          }
        ],
        "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": "sha256:1e56376b640d3530b91e085c5c57221240791fa1bb81a0d9d341508f11cf3732",
                "capture_rung": "http"
              }
            ],
            "artifact_digests": [
              "sha256:08f9f0038544499cbbac6ecf420dde88433a191a98730f727a3f6423f6ead8ca",
              "sha256:4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945",
              "sha256:517be653c7b1c0f7aab3a6750a9fe593d342de3efbd4ac7a77285cd518e7a180",
              "sha256:6b2379e612586d7d979e855794ea738210f17ffc4c44b82b00259c3f2dd7bc47"
            ],
            "source_surface": {
              "node_kind": "resource",
              "node_id": "api-keys"
            },
            "locators": [
              {
                "artifact_digest": "sha256:517be653c7b1c0f7aab3a6750a9fe593d342de3efbd4ac7a77285cd518e7a180",
                "start_byte": 11740,
                "end_byte": 12544,
                "value_digest": "sha256:20a5f47d2a73b002f5e60634e9028eced061a2cddc99a063f8e7b0d602debcf5"
              }
            ]
          },
          {
            "kind": "explicit_first_party_declaration",
            "captures": [
              {
                "retained_capture_digest": "sha256:b94c67b0d109027fc56e5c21b359424fce6d0fed4888644c839aafc0e6797379",
                "capture_rung": "http"
              }
            ],
            "artifact_digests": [
              "sha256:202a244ffd5a23af004eb346d56cbefdc64a70520549e4d513b8a4ae02a473be",
              "sha256:2cc3018c805d8b3a9611e388791fab0bd7649308e1f64bb718f1eaf1a1e5ace9",
              "sha256:4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945",
              "sha256:f072e87e600ff928ff04aadfd0840a242f826307f661266af0b4caebb3a59d05"
            ],
            "source_surface": {
              "node_kind": "resource",
              "node_id": "send-email"
            },
            "locators": [
              {
                "artifact_digest": "sha256:f072e87e600ff928ff04aadfd0840a242f826307f661266af0b4caebb3a59d05",
                "start_byte": 14395,
                "end_byte": 15157,
                "value_digest": "sha256:6c06b3b5960aa5d0b7a5bbbb146d5044767409cb5f1b673567d32e7dd8814820"
              }
            ]
          }
        ],
        "note": "API keys and email sending operations can be programmatically created and initiated via the documented API and CLI endpoints."
      },
      {
        "stage": "operate",
        "signal_code": "agent_protocol_interface",
        "selector_group_id": "agent_protocol_interface-primary",
        "value": "unknown",
        "observed_at": "2026-09-06T08:51:51.698Z",
        "tested_surfaces": [
          {
            "node_kind": "interface",
            "node_id": "email-api"
          }
        ],
        "assessment_method": {
          "name": "public-semantic-assessment",
          "version": "2026-09-06",
          "method_digest": "sha256:02ec902925d3816c86a32a3d15dc2e7af6ce9931c24b9cf264063e596952d1c4"
        },
        "determination_bases": [],
        "note": "The retained excerpts describe REST or RPC interfaces, SDKs and CLIs for Resend Email API; they contain no first-party statement that an agent-native protocol interface is absent, and several navigation excerpts mention MCP resources without establishing coverage of the assessed targets."
      },
      {
        "stage": "operate",
        "signal_code": "credential_lifecycle",
        "selector_group_id": "credential_lifecycle-primary",
        "value": "partial",
        "observed_at": "2026-09-06T08:51:12.769Z",
        "tested_surfaces": [
          {
            "node_kind": "resource",
            "node_id": "api-keys"
          },
          {
            "node_kind": "resource",
            "node_id": "readiness-9d5754b3e4da24415ca78fa40ecba0b3ca9ce3ef666e7063fd8d1258bdecc351"
          }
        ],
        "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": "sha256:1e56376b640d3530b91e085c5c57221240791fa1bb81a0d9d341508f11cf3732",
                "capture_rung": "http"
              }
            ],
            "artifact_digests": [
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              "sha256:4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945",
              "sha256:517be653c7b1c0f7aab3a6750a9fe593d342de3efbd4ac7a77285cd518e7a180",
              "sha256:6b2379e612586d7d979e855794ea738210f17ffc4c44b82b00259c3f2dd7bc47"
            ],
            "source_surface": {
              "node_kind": "resource",
              "node_id": "api-keys"
            },
            "locators": [
              {
                "artifact_digest": "sha256:517be653c7b1c0f7aab3a6750a9fe593d342de3efbd4ac7a77285cd518e7a180",
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                "end_byte": 12544,
                "value_digest": "sha256:20a5f47d2a73b002f5e60634e9028eced061a2cddc99a063f8e7b0d602debcf5"
              }
            ]
          },
          {
            "kind": "explicit_first_party_declaration",
            "captures": [
              {
                "retained_capture_digest": "sha256:385ff558b8eab37f1721f2f5a0887461d4461d30e6808d2f356c4c7be9d7631a",
                "capture_rung": "http"
              }
            ],
            "artifact_digests": [
              "sha256:02b36ec5d19e8531029d9df58058985d1219eeb2d7c150407fbd512e7b1e54d4",
              "sha256:4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945",
              "sha256:9785c811328f9076e77f6857a1a529dc5eb5d52ea593e125495a175542e2d1d3",
              "sha256:c8e844c13bc91966846a2403f5838688786e74a476a5e45fc64901ab08d63161"
            ],
            "source_surface": {
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              "node_id": "readiness-9d5754b3e4da24415ca78fa40ecba0b3ca9ce3ef666e7063fd8d1258bdecc351"
            },
            "locators": [
              {
                "artifact_digest": "sha256:9785c811328f9076e77f6857a1a529dc5eb5d52ea593e125495a175542e2d1d3",
                "start_byte": 19072,
                "end_byte": 19715,
                "value_digest": "sha256:a1af7d1b821d7bbe4dab27e01ed2bcca13bb821f9c1b466aec4545cf1adf26b9"
              }
            ]
          }
        ],
        "note": "Resend documents programmatically creating, listing, updating names, and deleting API keys via API/CLI, as well as scoping permissions (full_access vs sending_access) and domain restrictions. However, automated credential rotation or secret compromise recovery procedures remain manual or unaddressed."
      },
      {
        "stage": "operate",
        "signal_code": "failure_contract",
        "selector_group_id": "failure_contract-primary",
        "value": "yes",
        "observed_at": "2026-09-06T08:51:51.698Z",
        "tested_surfaces": [
          {
            "node_kind": "resource",
            "node_id": "api-errors"
          }
        ],
        "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": "sha256:46b0c27310d1b5d808006d662f9201015ed248df2728b2092363288edae2f608",
                "capture_rung": "http"
              }
            ],
            "artifact_digests": [
              "sha256:1154b6b76d927a2de73a1efd2b13eacdc2f230d7c1ecf176742966ddba87dbfb",
              "sha256:4b46514193fbf028532458781c3bb9bc27371f2ba1d6c0382156d0286da201c4",
              "sha256:4d93dc9bc7d88d8bd37144ed4ae59b8dec8726638783f5afec3d4218c8ac9c8c",
              "sha256:4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945"
            ],
            "source_surface": {
              "node_kind": "resource",
              "node_id": "api-errors"
            },
            "locators": [
              {
                "artifact_digest": "sha256:4b46514193fbf028532458781c3bb9bc27371f2ba1d6c0382156d0286da201c4",
                "start_byte": 16289,
                "end_byte": 17098,
                "value_digest": "sha256:55d4559c1e0132506e23877bd56375fe94454faffa54999051c0f6413e6e511d"
              },
              {
                "artifact_digest": "sha256:4b46514193fbf028532458781c3bb9bc27371f2ba1d6c0382156d0286da201c4",
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                "end_byte": 21122,
                "value_digest": "sha256:764cb10d9c77422f1ec2c80767ec8b80b08ef934009d5fa8ae650eb8262d1ff8"
              }
            ]
          }
        ],
        "note": "Resend explicitly documents HTTP response codes, error types, rate limits (429 rate_limit_exceeded with response headers advice), quotas (daily/monthly exceeded), idempotency key requirements and conflict behaviors (409 concurrent_idempotent_requests, invalid_idempotent_request), and retry suggestions."
      },
      {
        "stage": "operate",
        "signal_code": "operation_authentication",
        "selector_group_id": "operation_authentication-primary",
        "value": "yes",
        "observed_at": "2026-09-06T08:51:12.769Z",
        "tested_surfaces": [
          {
            "node_kind": "resource",
            "node_id": "api-keys"
          },
          {
            "node_kind": "resource",
            "node_id": "readiness-9d5754b3e4da24415ca78fa40ecba0b3ca9ce3ef666e7063fd8d1258bdecc351"
          }
        ],
        "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": "sha256:385ff558b8eab37f1721f2f5a0887461d4461d30e6808d2f356c4c7be9d7631a",
                "capture_rung": "http"
              }
            ],
            "artifact_digests": [
              "sha256:02b36ec5d19e8531029d9df58058985d1219eeb2d7c150407fbd512e7b1e54d4",
              "sha256:4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945",
              "sha256:9785c811328f9076e77f6857a1a529dc5eb5d52ea593e125495a175542e2d1d3",
              "sha256:bd0282ec074878a943a206b8f13676bd5665b5f91770b5a4497fec37974ff407"
            ],
            "source_surface": {
              "node_kind": "resource",
              "node_id": "readiness-9d5754b3e4da24415ca78fa40ecba0b3ca9ce3ef666e7063fd8d1258bdecc351"
            },
            "locators": [
              {
                "artifact_digest": "sha256:9785c811328f9076e77f6857a1a529dc5eb5d52ea593e125495a175542e2d1d3",
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                "end_byte": 21430,
                "value_digest": "sha256:07590119262e4b3cd8161859abb1e3995383ce66540da6e982e46149576211d5"
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            ]
          },
          {
            "kind": "explicit_first_party_declaration",
            "captures": [
              {
                "retained_capture_digest": "sha256:1e56376b640d3530b91e085c5c57221240791fa1bb81a0d9d341508f11cf3732",
                "capture_rung": "http"
              }
            ],
            "artifact_digests": [
              "sha256:08f9f0038544499cbbac6ecf420dde88433a191a98730f727a3f6423f6ead8ca",
              "sha256:4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945",
              "sha256:517be653c7b1c0f7aab3a6750a9fe593d342de3efbd4ac7a77285cd518e7a180",
              "sha256:f294189f8590f173e456c54715d07a0f4ae31d939cabb7b106b92a7515613a54"
            ],
            "source_surface": {
              "node_kind": "resource",
              "node_id": "api-keys"
            },
            "locators": [
              {
                "artifact_digest": "sha256:517be653c7b1c0f7aab3a6750a9fe593d342de3efbd4ac7a77285cd518e7a180",
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                "end_byte": 11739,
                "value_digest": "sha256:6f27880693a9395a8537fa6dc7a5da80ed3ae8d12f52588ab18d53105622502e"
              }
            ]
          }
        ],
        "note": "Resend documents request-time bearer token authentication using API keys via the 'Authorization: Bearer YOUR_API_KEY' header, supporting scoped authorization such as full_access or restricted sending_access."
      },
      {
        "stage": "operate",
        "signal_code": "operation_contract",
        "selector_group_id": "operation_contract-primary",
        "value": "yes",
        "observed_at": "2026-09-06T08:51:51.698Z",
        "tested_surfaces": [
          {
            "node_kind": "interface",
            "node_id": "email-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:b94c67b0d109027fc56e5c21b359424fce6d0fed4888644c839aafc0e6797379",
                "capture_rung": "http"
              }
            ],
            "artifact_digests": [
              "sha256:0127e440973426c840ef2c7ee3b237f03fc93855f5c1172414b5e1a82a6609d1",
              "sha256:202a244ffd5a23af004eb346d56cbefdc64a70520549e4d513b8a4ae02a473be",
              "sha256:4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945",
              "sha256:f072e87e600ff928ff04aadfd0840a242f826307f661266af0b4caebb3a59d05"
            ],
            "source_surface": {
              "node_kind": "resource",
              "node_id": "send-email"
            },
            "locators": [
              {
                "artifact_digest": "sha256:f072e87e600ff928ff04aadfd0840a242f826307f661266af0b4caebb3a59d05",
                "start_byte": 21048,
                "end_byte": 21854,
                "value_digest": "sha256:b26ddfbf13a4617a1028ae8eb4ba0f1c09b6da1e6f0894da13bb857c32b0676e"
              }
            ]
          },
          {
            "kind": "explicit_first_party_declaration",
            "captures": [
              {
                "retained_capture_digest": "sha256:46b0c27310d1b5d808006d662f9201015ed248df2728b2092363288edae2f608",
                "capture_rung": "http"
              }
            ],
            "artifact_digests": [
              "sha256:1154b6b76d927a2de73a1efd2b13eacdc2f230d7c1ecf176742966ddba87dbfb",
              "sha256:4b46514193fbf028532458781c3bb9bc27371f2ba1d6c0382156d0286da201c4",
              "sha256:4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945",
              "sha256:f13210e30b22084466dabec9243c148a53700bd103da07447e4f01e3a18faa6a"
            ],
            "source_surface": {
              "node_kind": "resource",
              "node_id": "api-errors"
            },
            "locators": [
              {
                "artifact_digest": "sha256:4b46514193fbf028532458781c3bb9bc27371f2ba1d6c0382156d0286da201c4",
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              }
            ]
          }
        ],
        "note": "Both essential targets (Errors documentation and Send Email endpoint) have defined, stable request methods (POST /emails), schema parameters (from, to, subject, html, template), required fields, HTTP response status codes, and return body structures."
      },
      {
        "stage": "operate",
        "signal_code": "target_interface_access",
        "selector_group_id": "target_interface_access-primary",
        "value": "yes",
        "observed_at": "2026-09-06T08:51:51.698Z",
        "tested_surfaces": [
          {
            "node_kind": "interface",
            "node_id": "email-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": "sha256:46b0c27310d1b5d808006d662f9201015ed248df2728b2092363288edae2f608",
                "capture_rung": "http"
              }
            ],
            "artifact_digests": [
              "sha256:1154b6b76d927a2de73a1efd2b13eacdc2f230d7c1ecf176742966ddba87dbfb",
              "sha256:4b46514193fbf028532458781c3bb9bc27371f2ba1d6c0382156d0286da201c4",
              "sha256:4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945",
              "sha256:7cf4a4c0ea54ed0fcd22c0d1547175ce3c86dc85b8a545d83caf0425f6197923"
            ],
            "source_surface": {
              "node_kind": "resource",
              "node_id": "api-errors"
            },
            "locators": [
              {
                "artifact_digest": "sha256:4b46514193fbf028532458781c3bb9bc27371f2ba1d6c0382156d0286da201c4",
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                "value_digest": "sha256:403e87175d90d77a5c657caef7461e666b8f1595436e810ededeb1e3decbd318"
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          },
          {
            "kind": "explicit_first_party_declaration",
            "captures": [
              {
                "retained_capture_digest": "sha256:b94c67b0d109027fc56e5c21b359424fce6d0fed4888644c839aafc0e6797379",
                "capture_rung": "http"
              }
            ],
            "artifact_digests": [
              "sha256:202a244ffd5a23af004eb346d56cbefdc64a70520549e4d513b8a4ae02a473be",
              "sha256:4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945",
              "sha256:f01e9dafaeae951d75981e59d4d798415eb0bb3f733044a2ec4d4b9a2f502470",
              "sha256:f072e87e600ff928ff04aadfd0840a242f826307f661266af0b4caebb3a59d05"
            ],
            "source_surface": {
              "node_kind": "resource",
              "node_id": "send-email"
            },
            "locators": [
              {
                "artifact_digest": "sha256:f072e87e600ff928ff04aadfd0840a242f826307f661266af0b4caebb3a59d05",
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        ],
        "note": "Every essential target has a usable, documented HTTP REST API interface alongside CLI and SDK alternatives."
      }
    ],
    "revision_digest": "sha256:5f0b1a9cbf4228c44673a4ae0f72287b15162553a1745f5f246f06effe5ccca5"
  }
}