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OpenAPI Specification

openapi: 3.2.0
info:
  title: BusinessMCP Hub Traffic API
  version: 1.0.0
  description: One BusinessMCP API key for company data, IP intelligence, website checks and MCP trust tools. Every call is prepaid and priced in US dollars, paid from the account balance, which is added in any whole-dollar amount from $10 to $5,000; a dollar paid is a dollar of balance and nothing is invoiced afterwards. Send an Idempotency-Key header to make a retry free. The same tools are available over MCP at https://businessmcp.com/api/hub/mcp.
servers:
- url: https://businessmcp.com/api/hub/v1
security:
- bearer: []
tags:
- name: traffic
paths:
  /tools/fp.traffic.estimate/call:
    post:
      operationId: call_fp_traffic_estimate
      summary: Traffic tier
      description: 'Popularity tier for a domain (top_1k, top_10k, top_100k, top_1m or unranked) from the Chrome UX Report top-origins buckets (real Chrome browsing) and the Tranco research rank. Returns the ranks it used. It never returns a visit count, because no source we read measures one. Charged only when the domain is ranked.


        Pricing: $0.005 per call, charged only for results found.'
      tags:
      - traffic
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/fp_traffic_estimate'
            example:
              domain: github.com
      responses:
        '200':
          description: Success
          content:
            application/json:
              schema:
                type: object
                properties:
                  ok:
                    const: true
                  data: {}
                  meta:
                    $ref: '#/components/schemas/Meta'
                required:
                - ok
                - data
                - meta
                example:
                  ok: true
                  data:
                    domain: github.com
                    ranked: true
                    tier: top_1k
                    basis: crux
                    crux_rank_bucket: 1000
                    tranco_rank: 21
                    versions:
                      crux: etag:…
                      tranco: GQ3LK
                    attribution: Ranks from the Tranco list (tranco-list.eu), the Chrome UX Report top origins and the Common Crawl web graph.
                  meta:
                    request_id: b1f0…
                    tool: example
                    cost_usd: $0.02
                    replayed: false
        '400':
          description: Invalid input (not charged)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '401':
          description: Missing or invalid API key
        '402':
          description: Balance too low, or a key spend limit reached
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '429':
          description: Rate limited
        '503':
          description: Upstream or billing unavailable (refunded)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
  /traffic/{domain}:
    get:
      operationId: fp_traffic_estimate
      summary: Traffic tier
      description: 'Popularity tier for a domain (top_1k, top_10k, top_100k, top_1m or unranked) from the Chrome UX Report top-origins buckets (real Chrome browsing) and the Tranco research rank. Returns the ranks it used. It never returns a visit count, because no source we read measures one. Charged only when the domain is ranked.


        Pricing: $0.005 per call, charged only for results found.'
      tags:
      - traffic
      responses:
        '200':
          description: Success
          content:
            application/json:
              schema:
                type: object
                properties:
                  ok:
                    const: true
                  data: {}
                  meta:
                    $ref: '#/components/schemas/Meta'
                required:
                - ok
                - data
                - meta
                example:
                  ok: true
                  data:
                    domain: github.com
                    ranked: true
                    tier: top_1k
                    basis: crux
                    crux_rank_bucket: 1000
                    tranco_rank: 21
                    versions:
                      crux: etag:…
                      tranco: GQ3LK
                    attribution: Ranks from the Tranco list (tranco-list.eu), the Chrome UX Report top origins and the Common Crawl web graph.
                  meta:
                    request_id: b1f0…
                    tool: example
                    cost_usd: $0.02
                    replayed: false
        '400':
          description: Invalid input (not charged)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '401':
          description: Missing or invalid API key
        '402':
          description: Balance too low, or a key spend limit reached
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '429':
          description: Rate limited
        '503':
          description: Upstream or billing unavailable (refunded)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
      parameters:
      - name: domain
        in: path
        required: true
        schema:
          type: string
  /tools/fp.traffic.rank/call:
    post:
      operationId: call_fp_traffic_rank
      summary: Domain authority
      description: 'Link authority for a domain from the Common Crawl domain graph: harmonic-centrality and PageRank positions, the number of the domain''s hosts in the graph, and an authority score from 0 to 100 derived from the harmonic-centrality position on a log scale. Covers the best-linked two million domains; others come back unranked and are free.


        Pricing: $0.002 per call, charged only for results found.'
      tags:
      - traffic
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/fp_traffic_rank'
            example:
              domain: github.com
      responses:
        '200':
          description: Success
          content:
            application/json:
              schema:
                type: object
                properties:
                  ok:
                    const: true
                  data: {}
                  meta:
                    $ref: '#/components/schemas/Meta'
                required:
                - ok
                - data
                - meta
                example:
                  ok: true
                  data:
                    domain: github.com
                    ranked: true
                    authority: 81
                    harmonic_centrality_rank: 34
                    pagerank_rank: 12
                    hosts_in_graph: 4210
                    graph_release: cc-main-2026-jul-aug-sep
                    attribution: Ranks from the Tranco list (tranco-list.eu), the Chrome UX Report top origins and the Common Crawl web graph.
                  meta:
                    request_id: b1f0…
                    tool: example
                    cost_usd: $0.02
                    replayed: false
        '400':
          description: Invalid input (not charged)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '401':
          description: Missing or invalid API key
        '402':
          description: Balance too low, or a key spend limit reached
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '429':
          description: Rate limited
        '503':
          description: Upstream or billing unavailable (refunded)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
  /rank/{domain}:
    get:
      operationId: fp_traffic_rank
      summary: Domain authority
      description: 'Link authority for a domain from the Common Crawl domain graph: harmonic-centrality and PageRank positions, the number of the domain''s hosts in the graph, and an authority score from 0 to 100 derived from the harmonic-centrality position on a log scale. Covers the best-linked two million domains; others come back unranked and are free.


        Pricing: $0.002 per call, charged only for results found.'
      tags:
      - traffic
      responses:
        '200':
          description: Success
          content:
            application/json:
              schema:
                type: object
                properties:
                  ok:
                    const: true
                  data: {}
                  meta:
                    $ref: '#/components/schemas/Meta'
                required:
                - ok
                - data
                - meta
                example:
                  ok: true
                  data:
                    domain: github.com
                    ranked: true
                    authority: 81
                    harmonic_centrality_rank: 34
                    pagerank_rank: 12
                    hosts_in_graph: 4210
                    graph_release: cc-main-2026-jul-aug-sep
                    attribution: Ranks from the Tranco list (tranco-list.eu), the Chrome UX Report top origins and the Common Crawl web graph.
                  meta:
                    request_id: b1f0…
                    tool: example
                    cost_usd: $0.02
                    replayed: false
        '400':
          description: Invalid input (not charged)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '401':
          description: Missing or invalid API key
        '402':
          description: Balance too low, or a key spend limit reached
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '429':
          description: Rate limited
        '503':
          description: Upstream or billing unavailable (refunded)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
      parameters:
      - name: domain
        in: path
        required: true
        schema:
          type: string
components:
  schemas:
    Error:
      type: object
      properties:
        ok:
          const: false
        error:
          type: object
          properties:
            code:
              type: string
              enum:
              - not_permitted
              - quota_exceeded
              - plan_required
              - not_found
              - invalid_input
              - upstream_failed
              - backend_unavailable
              - unavailable
              - internal
            message:
              type: string
            hint:
              type: string
            retryable:
              type: boolean
            upgrade_url:
              type: string
            details:
              type: object
          required:
          - code
          - message
          - retryable
      required:
      - ok
      - error
    fp_traffic_rank:
      type: object
      properties:
        domain:
          type: string
          minLength: 3
          maxLength: 253
      required:
      - domain
      additionalProperties: false
    fp_traffic_estimate:
      type: object
      properties:
        domain:
          type: string
          minLength: 3
          maxLength: 253
      required:
      - domain
      additionalProperties: false
    Meta:
      type: object
      properties:
        request_id:
          type: string
        tool:
          type: string
        provider:
          type: string
          enum:
          - first_party
          - vendor
          - publisher
        trust_tier:
          type: string
        cost_usd:
          type: string
          description: What this call cost, e.g. "$0.02".
        trial_usd:
          type: string
          description: The part of the cost paid from promotional balance (always $0 for accounts opened after 2026-10-21).
        paid_usd:
          type: string
          description: The part of the cost the purchased balance paid.
        replayed:
          type: boolean
        balance_usd:
          type: string
          description: Purchased balance left after the call.
        trial_left_usd:
          type: string
          description: Promotional balance left after the call, when any.
      required:
      - request_id
      - tool
      - cost_usd
      - replayed
  securitySchemes:
    bearer:
      type: http
      scheme: bearer
      description: A BusinessMCP API key (mcph_…).