CrawlCheck

CrawlCheck Ai Classifiers API

The Ai Classifiers API from CrawlCheck — 3 operation(s) for ai classifiers.

GitHub OpenAPI

Operations 3

3 of 3 operations are conformant: apis.io called them with no credentials and the responses matched this contract. Checked 2026-11-12. how this works · status file

GET /api/v1/ai-classifiers The AI classifier atlas: every field name gpt-oss writes while choosing local… conformant #
GET /api/v1/ai-classifiers/census The week's label census: local-service questions asked of gpt-oss in every… conformant #
GET /api/v1/ai-classifiers/sensitivity Which facts about a business move a model's ranking: five fictional businesses… conformant #

Documentation

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

Specifications

⚙
OpenAPI
https://artifacts.apis.io/crawlcheck-io/openapi/crawlcheck-io-ai-classifiers-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-ai-classifiers-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: Crawlcheck Io Ai Classifiers 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 Ai Classifiers 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: Ai Classifiers
paths:
  /api/v1/ai-classifiers:
    get:
      operationId: aiClassifierAtlas
      summary: 'The AI classifier atlas: every field name gpt-oss writes while choosing local…'
      parameters:
      - name: key
        in: query
        required: false
        schema:
          type: string
      - name: stage
        in: query
        required: false
        schema:
          type: string
      responses:
        '200':
          description: signed atlas or label
          content:
            application/json:
              examples:
                worked:
                  summary: Shape; one label, shortened.
                  value:
                    kind: crawlcheck-ai-classifier
                    v: 1
                    key: trust_risk
                    name: Trust Risk
                    stage: Reasoning Classifiers
                    stage_slug: reasoning-classifiers
                    namespace: evidence.assessment
                    record_type: evaluation_field
                    aliases:
                    - trustworthiness concern
                    - reliability risk
                    definition: How likely the model thinks it is that a candidate will not do what it promises…
                    what_a_business_can_do: State your licence number, insurance and years in business on the page people land on…
                    crawlcheck_check:
                      id: self-claims
                      url: https://crawlcheck.io/api/v1/claims
                      what: 'The claims your site makes: years, prices, refund window'
                    url: https://crawlcheck.io/glossary/ai-classifiers/reasoning-classifiers#trust_risk
                    observed:
                      runs: 31
                      of_runs: 120
                      share: 25.8
                      in_reasoning_text: 4
                      week: 2026-W41
              schema:
                type:
                - object
                - 'null'
                properties:
                  kind:
                    type:
                    - string
                    - 'null'
                  v:
                    type:
                    - number
                    - 'null'
                  key:
                    type:
                    - string
                    - 'null'
                  name:
                    type:
                    - string
                    - 'null'
                  stage:
                    type:
                    - string
                    - 'null'
                  stage_slug:
                    type:
                    - string
                    - 'null'
                  namespace:
                    type:
                    - string
                    - 'null'
                  record_type:
                    type:
                    - string
                    - 'null'
                  aliases:
                    type:
                    - array
                    - 'null'
                    items:
                      type:
                      - string
                      - 'null'
                  definition: {}
                  what_a_business_can_do: {}
                  crawlcheck_check:
                    type:
                    - object
                    - 'null'
                    properties:
                      id:
                        type:
                        - string
                        - 'null'
                      url:
                        type:
                        - string
                        - 'null'
                      what:
                        type:
                        - string
                        - 'null'
                    additionalProperties: true
                  url:
                    type:
                    - string
                    - 'null'
                  observed:
                    type:
                    - object
                    - 'null'
                    properties:
                      runs:
                        type:
                        - number
                        - 'null'
                      of_runs:
                        type:
                        - number
                        - 'null'
                      share:
                        type:
                        - number
                        - 'null'
                      in_reasoning_text:
                        type:
                        - number
                        - 'null'
                      week:
                        type:
                        - string
                        - 'null'
                    additionalProperties: true
                additionalProperties: true
                x-schema-source: worked-example
        '404':
          description: no such label
      x-codeSamples:
      - lang: Shell
        label: curl
        source: curl -s 'https://crawlcheck.io/api/v1/ai-classifiers?key=trust_risk'
      security: []
      x-auth: public; no credential read
      tags:
      - Ai Classifiers
    servers:
    - url: https://crawlcheck.io
  /api/v1/ai-classifiers/census:
    get:
      operationId: aiClassifierCensus
      summary: 'The week''s label census: local-service questions asked of gpt-oss in every…'
      parameters:
      - name: week
        in: query
        required: false
        schema:
          type: string
      responses:
        '200':
          description: signed week
          content:
            application/json:
              examples:
                worked:
                  summary: Shape; counts shortened.
                  value:
                    kind: crawlcheck-ai-classifier-census
                    v: 1
                    week: 2026-W41
                    state: week_to_date
                    model: '@cf/openai/gpt-oss-120b'
                    runs: 120
                    parsed: 114
                    with_reasoning_text: 0
                    fields: 3610
                    matched_by:
                      key: 1802
                      alias: 96
                      meaning: 411
                      new: 506
                    atlas_labels_seen: 233
                    atlas_labels_total: 669
                    labels:
                    - key: explicit_intent
                      name: Explicit Intent
                      stage: Inputs & Scope
                      namespace: query.intent
                      runs: 88
                      share:
                        k: 88
                        n: 120
                        share: 0.733
                        low: 0.648
                        high: 0.804
                        level: 0.95
                        method: Wilson score interval
                      occurrences: 92
                      in_reasoning_text: 0
                      examples:
                      - q: Who is the best roofer in Denver, CO?
                        path: query_interpretation.explicit_intent
                        value: find a reputable roofer in Denver
                    labels_no_list_had:
                    - key: license_verification_needed
                      runs: 9
                      example:
                        q: Which electrician in Austin, TX should I hire?
                        path: screening.license_verification_needed
                        value: 'true'
                    not_proof: field names a model writes when asked to describe its evaluation…
              schema:
                type:
                - object
                - 'null'
                properties:
                  kind:
                    type:
                    - string
                    - 'null'
                  v:
                    type:
                    - number
                    - 'null'
                  week:
                    type:
                    - string
                    - 'null'
                  state:
                    type:
                    - string
                    - 'null'
                  model:
                    type:
                    - string
                    - 'null'
                  runs:
                    type:
                    - number
                    - 'null'
                  parsed:
                    type:
                    - number
                    - 'null'
                  with_reasoning_text:
                    type:
                    - number
                    - 'null'
                  fields:
                    type:
                    - number
                    - 'null'
                  matched_by:
                    type:
                    - object
                    - 'null'
                    properties:
                      key:
                        type:
                        - number
                        - 'null'
                      alias:
                        type:
                        - number
                        - 'null'
                      meaning:
                        type:
                        - number
                        - 'null'
                      new:
                        type:
                        - number
                        - 'null'
                    additionalProperties: true
                  atlas_labels_seen:
                    type:
                    - number
                    - 'null'
                  atlas_labels_total:
                    type:
                    - number
                    - 'null'
                  labels:
                    type:
                    - array
                    - 'null'
                    items:
                      type:
                      - object
                      - 'null'
                      properties:
                        key:
                          type:
                          - string
                          - 'null'
                        name:
                          type:
                          - string
                          - 'null'
                        stage:
                          type:
                          - string
                          - 'null'
                        namespace:
                          type:
                          - string
                          - 'null'
                        runs:
                          type:
                          - number
                          - 'null'
                        share:
                          type:
                          - object
                          - 'null'
                          properties:
                            k:
                              type:
                              - number
                              - 'null'
                            n:
                              type:
                              - number
                              - 'null'
                            share:
                              type:
                              - number
                              - 'null'
                            low:
                              type:
                              - number
                              - 'null'
                            high:
                              type:
                              - number
                              - 'null'
                            level:
                              type:
                              - number
                              - 'null'
                            method:
                              type:
                              - string
                              - 'null'
                          additionalProperties: true
                        occurrences:
                          type:
                          - number
                          - 'null'
                        in_reasoning_text:
                          type:
                          - number
                          - 'null'
                        examples:
                          type:
                          - array
                          - 'null'
                          items:
                            type:
                            - object
                            - 'null'
                            properties:
                              q:
                                type:
                                - string
                                - 'null'
                              path:
                                type:
                                - string
                                - 'null'
                              value:
                                type:
                                - string
                                - 'null'
                            additionalProperties: true
                      additionalProperties: true
                  labels_no_list_had:
                    type:
                    - array
                    - 'null'
                    items:
                      type:
                      - object
                      - 'null'
                      properties:
                        key:
                          type:
                          - string
                          - 'null'
                        runs:
                          type:
                          - number
                          - 'null'
                        example:
                          type:
                          - object
                          - 'null'
                          properties:
                            q:
                              type:
                              - string
                              - 'null'
                            path:
                              type:
                              - string
                              - 'null'
                            value:
                              type:
                              - string
                              - 'null'
                          additionalProperties: true
                      additionalProperties: true
                  not_proof: {}
                additionalProperties: true
                x-schema-source: worked-example
        '400':
          description: bad week
      x-codeSamples:
      - lang: Shell
        label: curl
        source: curl -s 'https://crawlcheck.io/api/v1/ai-classifiers/census?week=2026-W41'
      security: []
      x-auth: public; no credential read
      tags:
      - Ai Classifiers
    servers:
    - url: https://crawlcheck.io
  /api/v1/ai-classifiers/sensitivity:
    get:
      operationId: aiClassifierSensitivity
      summary: 'Which facts about a business move a model''s ranking: five fictional businesses…'
      responses:
        '200':
          description: signed results
          content:
            application/json:
              examples:
                worked:
                  summary: Shape; one fact shown.
                  value:
                    kind: crawlcheck-ai-classifier-sensitivity
                    v: 1
                    model: '@cf/openai/gpt-oss-120b'
                    pairs: 48
                    facts:
                    - fact: licence
                      label: Licence number shown
                      with: 'State licence #48213, active'
                      without: No licence information
                      pairs: 4
                      ranked: 4
                      dropped: 3
                      rose: 0
                      same: 1
                      mean_rank_change: 1.5
                      dropped_share:
                        k: 3
                        n: 4
                        share: 0.75
                        low: 0.301
                        high: 0.954
                        level: 0.95
                        method: Wilson score interval
                      labels_that_appear_without_it:
                      - label: credential_risk
                        pairs: 2
                      examples: []
                    not_proof: fictional candidates and one model…
              schema:
                type:
                - object
                - 'null'
                properties:
                  kind:
                    type:
                    - string
                    - 'null'
                  v:
                    type:
                    - number
                    - 'null'
                  model:
                    type:
                    - string
                    - 'null'
                  pairs:
                    type:
                    - number
                    - 'null'
                  facts:
                    type:
                    - array
                    - 'null'
                    items:
                      type:
                      - object
                      - 'null'
                      properties:
                        fact:
                          type:
                          - string
                          - 'null'
                        label:
                          type:
                          - string
                          - 'null'
                        with:
                          type:
                          - string
                          - 'null'
                        without:
                          type:
                          - string
                          - 'null'
                        pairs:
                          type:
                          - number
                          - 'null'
                        ranked:
                          type:
                          - number
                          - 'null'
                        dropped:
                          type:
                          - number
                          - 'null'
                        rose:
                          type:
                          - number
                          - 'null'
                        same:
                          type:
                          - number
                          - 'null'
                        mean_rank_change:
                          type:
                          - number
                          - 'null'
                        dropped_share:
                          type:
                          - object
                          - 'null'
                          properties:
                            k:
                              type:
                              - number
                              - 'null'
                            n:
                              type:
                              - number
                              - 'null'
                            share:
                              type:
                              - number
                              - 'null'
                            low:
                              type:
                              - number
                              - 'null'
                            high:
                              type:
                              - number
                              - 'null'
                            level:
                              type:
                              - number
                              - 'null'
                            method:
                              type:
                              - string
                              - 'null'
                          additionalProperties: true
                        labels_that_appear_without_it:
                          type:
                          - array
                          - 'null'
                          items:
                            type:
                            - object
                            - 'null'
                            properties:
                              label:
                                type:
                                - string
                                - 'null'
                              pairs:
                                type:
                                - number
                                - 'null'
                            additionalProperties: true
                        examples:
                          type:
                          - array
                          - 'null'
                          items: {}
                      additionalProperties: true
                  not_proof: {}
                additionalProperties: true
                x-schema-source: worked-example
      x-codeSamples:
      - lang: Shell
        label: curl
        source: curl -s 'https://crawlcheck.io/api/v1/ai-classifiers/sensitivity'
      security: []
      x-auth: public; no credential read
      tags:
      - Ai Classifiers
    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