CrawlCheck

CrawlCheck Domain API

The Domain API from CrawlCheck — 3 operation(s) for domain.

GitHub OpenAPI

Operations 4

GET /api/v1/domain/control Whether proven control of a domain still holds: the claim's state (proven… #
GET /api/v1/domain The domain's public registry record (RDAP: registrar, created, expires… #
GET /api/v1/domain/authorization What the proven owner of a domain authorizes agents to do there (read, cite… #
POST /api/v1/domain/authorization Publish or revoke the owner's authorization: only the licence key holding a… #

Documentation

📖
Documentation
https://crawlcheck.io/docs/api

Specifications

⚙
OpenAPI
https://artifacts.apis.io/crawlcheck-io/openapi/crawlcheck-io-domain-api-openapi.yml

Schemas & Data

📊
JSONSchema
https://artifacts.apis.io/crawlcheck-io/json-schema/crawlcheck-io-resolve-schema.json

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OpenAPI Specification

crawlcheck-io-domain-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: Crawlcheck Io Domain API
  version: '1'
  contact:
    name: CrawlCheck
    url: https://crawlcheck.io/policy
    email: hello@crawlcheck.io
  license:
    name: Terms
    url: https://crawlcheck.io/policy
  x-core-contract:
    promise: 'These operations are the core contract. They stay at /api/v1 and keep answering for at least 180 days after any /api/v2 is announced; their stable fields change only in a new major version, and their provisional fields only after 30 days'' notice, per /docs/api/compatibility. Verifying what they return needs none of these calls: crawlcheck-verify.mjs checks a document on your machine against the published keys (/.well-known/http-message-signatures-directory) and the rotation record, read once with --online or saved for --keys. Everything else documented here is useful but secondary, and may change with the notice its fields'' tags promise.'
    operations:
    - method: GET
      path: /api/v1/resolve
      operationId: resolveDomainV1
    - method: POST
      path: /api/v1/resolve
      operationId: resolveBatchV1
    - method: POST
      path: /api/v1/preflight
      operationId: preflightV1
    - method: GET
      path: /api/v1/decisions/{sha256}
      operationId: decisionCheckV1
    - method: GET
      path: /api/v1/revocations
      operationId: revocations
    - method: GET
      path: /api/v1/visitor
      operationId: visitorResolveV1
    - method: POST
      path: /api/v1/visitor
      operationId: visitorResolveBatchV1
    - method: GET
      path: /api/v1/mcp/scan
      operationId: mcpScanUrl
    - method: POST
      path: /api/v1/mcp/lock/check
      operationId: mcpLockCheck
    list: https://crawlcheck.io/api/v1/core
  description: 'Operations tagged Domain across 2 of this provider''s published API definitions: crawlcheck-io-openapi.json, crawlcheck-io-openapi.yml. Each path carries the servers of the definition it was published in.'
servers:
- url: https://crawlcheck.io
tags:
- name: Domain
paths:
  /api/v1/domain/control:
    get:
      operationId: domainControlLifecycle
      summary: 'Whether proven control of a domain still holds: the claim''s state (proven…'
      parameters:
      - name: domain
        in: query
        required: true
        schema:
          type: string
      responses:
        '200':
          description: signed state
          content:
            application/json:
              examples:
                worked:
                  summary: Shape; a proven claim that has been re-checked.
                  value:
                    kind: crawlcheck-domain-control
                    v: 1
                    domain: terrariumstation.com
                    state: proven
                    means: control was proven and the proof was there at the last check
                    method: meta_tag
                    claimed_at: '2026-09-10T18:02:11.000Z'
                    last_verified_at: '2026-10-11T15:02:40.000Z'
                    last_check_at: '2026-10-11T15:02:40.000Z'
                    next_check_at: '2026-11-10T15:02:40.000Z'
                    grace_ends_at: null
                    registry_at_claim:
                      created: '2021-03-02T00:00:00Z'
                      expires: '2027-03-02T00:00:00Z'
                      registrar: Cloudflare, Inc.
                    events: []
              schema:
                type:
                - object
                - 'null'
                properties:
                  kind:
                    type:
                    - string
                    - 'null'
                  v:
                    type:
                    - number
                    - 'null'
                  domain:
                    type:
                    - string
                    - 'null'
                  state:
                    type:
                    - string
                    - 'null'
                  means:
                    type:
                    - string
                    - 'null'
                  method:
                    type:
                    - string
                    - 'null'
                  claimed_at:
                    type:
                    - string
                    - 'null'
                  last_verified_at:
                    type:
                    - string
                    - 'null'
                  last_check_at:
                    type:
                    - string
                    - 'null'
                  next_check_at:
                    type:
                    - string
                    - 'null'
                  grace_ends_at: {}
                  registry_at_claim:
                    type:
                    - object
                    - 'null'
                    properties:
                      created:
                        type:
                        - string
                        - 'null'
                      expires:
                        type:
                        - string
                        - 'null'
                      registrar:
                        type:
                        - string
                        - 'null'
                    additionalProperties: true
                  events:
                    type:
                    - array
                    - 'null'
                    items: {}
                additionalProperties: true
                x-schema-source: worked-example
        '400':
          description: bad domain
        '503':
          description: claim store unreadable
      x-codeSamples:
      - lang: Shell
        label: curl
        source: curl -s 'https://crawlcheck.io/api/v1/domain/control?domain=terrariumstation.com'
      security: []
      x-auth: public; no credential read
      tags:
      - Domain
    servers:
    - url: https://crawlcheck.io
  /api/v1/domain:
    get:
      operationId: domainLifecycleV1
      summary: 'The domain''s public registry record (RDAP: registrar, created, expires…'
      parameters:
      - name: domain
        in: query
        required: true
        schema:
          type: string
      responses:
        '200':
          description: crawlcheck-domain
          content:
            application/json:
              examples:
                worked:
                  summary: Registry fields as RDAP published them on 2026-10-03; the timeline is trimmed to its first entries.
                  value:
                    kind: crawlcheck-domain
                    v: 1
                    domain: treeservicedenverllc.com
                    registry:
                      state: observed
                      source: https://rdap.verisign.com/com/v1/domain/treeservicedenverllc.com
                      registrar: NameCheap, Inc.
                      registrar_iana_id: '1068'
                      created: '2023-08-28T05:38:53Z'
                      expires: '2027-08-28T05:38:53Z'
                      changed: '2026-08-05T14:17:20Z'
                      nameservers:
                      - hasslo.ns.cloudflare.com
                      - lia.ns.cloudflare.com
                      dnssec: true
                      status:
                      - client transfer prohibited
                    timeline:
                    - at: '2023-08-28T05:38:53Z'
                      type: registered
                      detail: via NameCheap, Inc.
                      source: registry
                    - at: '2026-10-03T06:05:00.000Z'
                      type: first_read
                      detail: first registry read by CrawlCheck
                      source: crawlcheck
              schema:
                type:
                - object
                - 'null'
                properties:
                  kind:
                    type:
                    - string
                    - 'null'
                  v:
                    type:
                    - number
                    - 'null'
                  domain:
                    type:
                    - string
                    - 'null'
                  registry:
                    type:
                    - object
                    - 'null'
                    properties:
                      state:
                        type:
                        - string
                        - 'null'
                      source:
                        type:
                        - string
                        - 'null'
                      registrar:
                        type:
                        - string
                        - 'null'
                      registrar_iana_id:
                        type:
                        - string
                        - 'null'
                      created:
                        type:
                        - string
                        - 'null'
                      expires:
                        type:
                        - string
                        - 'null'
                      changed:
                        type:
                        - string
                        - 'null'
                      nameservers:
                        type:
                        - array
                        - 'null'
                        items:
                          type:
                          - string
                          - 'null'
                      dnssec:
                        type:
                        - boolean
                        - 'null'
                      status:
                        type:
                        - array
                        - 'null'
                        items:
                          type:
                          - string
                          - 'null'
                    additionalProperties: true
                  timeline:
                    type:
                    - array
                    - 'null'
                    items:
                      type:
                      - object
                      - 'null'
                      properties:
                        at:
                          type:
                          - string
                          - 'null'
                        type:
                          type:
                          - string
                          - 'null'
                        detail:
                          type:
                          - string
                          - 'null'
                        source:
                          type:
                          - string
                          - 'null'
                      additionalProperties: true
                additionalProperties: true
                x-schema-source: worked-example
      x-codeSamples:
      - lang: Shell
        label: curl
        source: curl -s 'https://crawlcheck.io/api/v1/domain?domain=treeservicedenverllc.com'
      security: []
      x-auth: public; no credential read
      tags:
      - Domain
    servers:
    - url: https://crawlcheck.io
  /api/v1/domain/authorization:
    get:
      operationId: domainAuthorizationRead
      summary: What the proven owner of a domain authorizes agents to do there (read, cite…
      parameters:
      - name: domain
        in: query
        required: true
        schema:
          type: string
      responses:
        '200':
          description: signed authorization state
          content:
            application/json:
              examples:
                worked:
                  summary: Shape.
                  value:
                    kind: crawlcheck-domain-authorization
                    v: 1
                    domain: example.com
                    state: active
                    actions:
                      read: allow
                      cite: allow
                      connect: allow
                      transact: deny
                    agents: []
                    note: null
                    published_at: '2026-10-11T16:00:00.000Z'
                    valid_until: '2027-01-09T16:00:00.000Z'
              schema:
                type:
                - object
                - 'null'
                properties:
                  kind:
                    type:
                    - string
                    - 'null'
                  v:
                    type:
                    - number
                    - 'null'
                  domain:
                    type:
                    - string
                    - 'null'
                  state:
                    type:
                    - string
                    - 'null'
                  actions:
                    type:
                    - object
                    - 'null'
                    properties:
                      read:
                        type:
                        - string
                        - 'null'
                      cite:
                        type:
                        - string
                        - 'null'
                      connect:
                        type:
                        - string
                        - 'null'
                      transact:
                        type:
                        - string
                        - 'null'
                    additionalProperties: true
                  agents:
                    type:
                    - array
                    - 'null'
                    items: {}
                  note: {}
                  published_at:
                    type:
                    - string
                    - 'null'
                  valid_until:
                    type:
                    - string
                    - 'null'
                additionalProperties: true
                x-schema-source: worked-example
        '400':
          description: no domain
      x-codeSamples:
      - lang: Shell
        label: curl
        source: curl -s 'https://crawlcheck.io/api/v1/domain/authorization?domain=example.com'
      security: []
      x-auth: public; no credential read
      tags:
      - Domain
    post:
      operationId: domainAuthorizationPublish
      summary: 'Publish or revoke the owner''s authorization: only the licence key holding a…'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
              - domain
              properties:
                domain:
                  type: string
                actions:
                  type: object
                agents:
                  type: array
                  items:
                    type: string
                note:
                  type: string
                valid_days:
                  type: integer
                revoke:
                  type: boolean
            examples:
              worked:
                summary: The request behind the worked response
                value:
                  domain: example.com
                  actions:
                    connect: allow
                    transact: deny
                  valid_days: 90
      responses:
        '200':
          description: published
          content:
            application/json:
              examples:
                worked:
                  summary: Only the licence that holds a proven claim on the domain; {"domain":…,"revoke":true} removes it.
                  value:
                    ok: true
                    domain: example.com
                    state: active
                    actions:
                      connect: allow
                      transact: deny
                    agents: []
                    valid_until: '2027-01-09T16:00:00.000Z'
                    read: https://crawlcheck.io/api/v1/domain/authorization?domain=example.com
              schema:
                type:
                - object
                - 'null'
                properties:
                  ok:
                    type:
                    - boolean
                    - 'null'
                  domain:
                    type:
                    - string
                    - 'null'
                  state:
                    type:
                    - string
                    - 'null'
                  actions:
                    type:
                    - object
                    - 'null'
                    properties:
                      connect:
                        type:
                        - string
                        - 'null'
                      transact:
                        type:
                        - string
                        - 'null'
                    additionalProperties: true
                  agents:
                    type:
                    - array
                    - 'null'
                    items: {}
                  valid_until:
                    type:
                    - string
                    - 'null'
                  read:
                    type:
                    - string
                    - 'null'
                additionalProperties: true
                x-schema-source: worked-example
        '401':
          description: no key
        '403':
          description: key does not hold a proven claim
      x-codeSamples:
      - lang: Shell
        label: curl
        source: 'curl -s -X POST https://crawlcheck.io/api/v1/domain/authorization -H ''x-crawlcheck-key: cc_…'' -H ''content-type: application/json'' -d ''{"domain":"example.com","actions":{"connect":"allow","transact":"deny"},"valid_days":90}'''
      security: []
      x-auth: public; no credential read
      x-crawlcheck-budget:
        request_body_max: 1048576
      tags:
      - Domain
    servers:
    - url: https://crawlcheck.io
components:
  securitySchemes:
    licenceKey:
      type: apiKey
      in: header
      name: x-crawlcheck-key
      description: 'Your licence key: cc_ followed by 32 hex characters. Sent on every keyed call.'
    bearer:
      type: http
      scheme: bearer
      description: The same licence key as a Bearer token. Accepted on /api/v1/* and /api/usage.
externalDocs:
  url: https://crawlcheck.io/docs/api
  description: Human-readable reference
x-refined-from:
- crawlcheck-io-openapi.json
- crawlcheck-io-openapi.yml