Domduck

Domduck API

Domduck API as documented publicly: 5 operations. Contract generated from the documentation by API Evangelist (2026-11-05); not the provider's own document.

Documentation GitHub OpenAPI

Operations 5

GET /api/badge/{domain} An SVG badge for embedding on another site. #

POST /api/lookup POST /api/lookup #

POST /api/mcp POST /api/mcp #

GET /api/mcp/public AI crawler policy #

POST /api/mcp/public POST /api/mcp/public #

Specifications

⚙

OpenAPI

https://artifacts.apis.io/domduck-com/openapi/_ae-authored/domduck-com-openapi-generated.yml

Schemas & Data

📊

JSONSchema

https://artifacts.apis.io/domduck-com/json-schema/domduck-com-post-api-mcp-response-schema.json

📊

JSONSchema

https://artifacts.apis.io/domduck-com/json-schema/domduck-com-post-api-mcp-public-request-schema.json

📊

JSONSchema

https://artifacts.apis.io/domduck-com/json-schema/domduck-com-post-api-mcp-request-schema.json

📊

JSONSchema

https://artifacts.apis.io/domduck-com/json-schema/domduck-com-get-api-badge-domain-response-schema.json

📊

JSONSchema

https://artifacts.apis.io/domduck-com/json-schema/domduck-com-post-api-lookup-request-schema.json

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OpenAPI Specification

openapi: 3.1.0
info:
  title: Domduck API
  version: '2026-11-05'
  description: 'GENERATED FROM DOCUMENTATION by API Evangelist on 2026-11-05: 5 operation(s) read from 8 public documentation page(s) (each operation
    names its page in x-source). This is not the provider''s published contract; Domduck has published no machine-readable contract that the pipeline
    could find. Engine: local.'
  x-evidence-tiers:
    code-example: 3
    documentation: 2
    pages-with-code: 8
    pages-read: 8
  x-generated-from: documentation
  x-provenance: generated
  x-authored-by: API Evangelist
  x-generated: '2026-11-05'
  x-generator: generate-contract-from-docs.py
  x-engine: local
  x-sources:
  - https://domduck.com/docs/api
  - https://domduck.com/docs/api.md
  - https://domduck.com/docs/mcp
  - https://domduck.com/docs/mcp-public
  - https://domduck.com/docs/ai-crawlers
  - https://domduck.com/docs/mcp.md
  - https://domduck.com/docs/mcp-public.md
  - https://domduck.com/docs/ai-crawlers.md
paths:
  /api/badge/{domain}:
    get:
      operationId: get_api_badge_domain
      tags:
      - Api
      summary: An SVG badge for embedding on another site.
      x-source: https://domduck.com/docs/api
      parameters:
      - name: domain
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Success (status as documented)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GetApiBadgeDomainResponse'
      x-evidence:
        kind: documentation
  /api/lookup:
    post:
      operationId: post_api_lookup
      tags:
      - Api
      summary: POST /api/lookup
      x-source: https://domduck.com/docs/api
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/PostApiLookupRequest'
      responses:
        '201':
          description: Success (status as documented)
      x-evidence:
        kind: code-example
        language: curl
        snippet: "curl -s https://domduck.com/api/lookup  -H \"content-type: application/json\"  -d '{\"domain\":\"stripe.com\"}' \n {\n \"domain\"\
          : \"stripe.com\",\n \"domainRating\": 95,\n \"fetchedAt\": \"2026-08-03T06:59:19.000Z\",\n \"rank\": 236,\n \"backfilled\": 0,\n \"\
          registration\": {\n \"registeredAt\": \"1995-09-12T04:00:00Z\",\n \"ageDays\": 11283,\n \"registrar\": \"SafeNames Ltd.\"\n },\n \"\
          tls\": { \"valid\": true, \"issuer\": \"DigiCert Inc\", \"days"
  /api/mcp:
    post:
      operationId: post_api_mcp
      tags:
      - Api
      summary: POST /api/mcp
      x-source: https://domduck.com/docs/mcp
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/PostApiMcpRequest'
      responses:
        '201':
          description: Success (shape read from the example response on the page)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PostApiMcpResponse'
      x-evidence:
        kind: code-example
        language: curl
        snippet: "curl -s https://domduck.com/api/mcp  -H \"Authorization: Bearer ddk_YOUR_KEY\"  -H \"content-type: application/json\"  -d '{\"\
          jsonrpc\":\"2.0\",\"id\":1,\"method\":\"tools/list\"}' \n Protocol \n This server answers both protocol eras on one endpoint. \n Era\
          \ Revisions Shape Modern 2026-07-28 Stateless. Every request declares its version in params._meta[\"io.modelcontextprotocol/protocolVersion\"\
          ] and carries the mat"
  /api/mcp/public:
    get:
      operationId: get_api_mcp_public
      tags:
      - Api
      summary: AI crawler policy
      description: Retrieves the AI crawler policy for a given domain via the public MCP server using a JSON‑RPC call named get_ai_crawler_policy.
      x-source: https://domduck.com/docs/ai-crawlers
      responses:
        '200':
          description: Success (status as documented)
      x-evidence:
        kind: documentation
    post:
      operationId: post_api_mcp_public
      tags:
      - Api
      summary: POST /api/mcp/public
      x-source: https://domduck.com/docs/mcp-public
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/PostApiMcpPublicRequest'
      responses:
        '201':
          description: Success (status as documented)
      x-evidence:
        kind: code-example
        language: curl
        snippet: "curl -s https://domduck.com/api/mcp/public  -H \"content-type: application/json\"  -d '{\"jsonrpc\":\"2.0\",\"id\":1,\"method\"\
          :\"tools/call\",\n \"params\":{\"name\":\"get_ai_crawler_policy\",\"arguments\":{\"domain\":\"stripe.com\"}}}' \n lookup_domain \n Public\
          \ reputation snapshot for one domain from Domduck's store: Domain Rating, Tranco rank, OpenPageRank, registration date, TLS certificate\
          \ state and AI crawler policy."
components:
  schemas:
    GetApiBadgeDomainResponse:
      type: object
      properties:
        svg:
          type: string
          description: SVG image content
    PostApiLookupRequest:
      type: object
      properties:
        domain:
          type: string
    PostApiMcpRequest:
      type: object
      properties:
        jsonrpc:
          type: string
        id:
          type: integer
        method:
          type: string
    PostApiMcpResponse:
      type: object
      properties:
        domain:
          type: string
        source:
          type: string
        days:
          type: integer
        higherIsBetter:
          type: boolean
        points:
          type: array
          items:
            type: object
            properties:
              day:
                type: string
                format: date
              value:
                type: integer
    PostApiMcpPublicRequest:
      type: object
      properties:
        jsonrpc:
          type: string
        id:
          type: integer
        method:
          type: string
        params:
          type: object
          properties:
            name:
              type: string
            arguments:
              type: object
              properties:
                domain:
                  type: string
  securitySchemes:
    bearer:
      type: http
      scheme: bearer
security:
- bearer: []
tags:
- name: Api