OpenMercantil

OpenMercantil Score API

Company score, trust score and activity timeseries

GitHub OpenAPI

Operations 3

Each operation below carries the questions people ask an LLM about it and the instructions they give an agent to run it. Generated by API Evangelist overlay

GET /api/v1/company/{slug}/score Get a company's composite score · Get Company Score #
Ask an LLM
“What is the OpenMercantil composite score for a Spanish company?”
“Can I get a single overall rating for a company from its registry data?”
Tell an agent
Get the composite company score for {slug}.
Rate company {slug} with the overall composite score.
GET /api/v1/company/{slug}/activity Get a company's registry activity over time · Get Company Activity Timeseries #
Ask an LLM
“How active has a company been in the mercantile registry over time?”
“Is there a time series of registry events I can chart for one company?”
Tell an agent
Get the registry activity time series for {slug}.
Chart how many registry events {slug} had over time.
GET /api/v1/company/{slug}/trust-score Get a company's trust score · Get Company Trust Score #
Ask an LLM
“How trustworthy does a company look once registry, procurement and sanctions signals are combined?”
“Which signals feed the company trust score?”
Tell an agent
Get the trust score for {slug}.
Check {slug}'s trust score combining BORME, CNMV, patents, contracts and sanctions.

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/openmercantil/refs/heads/main/openapi/openmercantil-score-api-openapi.yml

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OpenAPI Specification

openmercantil-score-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: OpenMercantil Public Score API
  version: 1.4.0
  description: 'Public JSON API for Spanish company information derived from BORME and other

    public sources. OpenMercantil is independent and informational; it is not

    the BOE, BORME or Registro Mercantil and does not replace official

    certificates or registry extracts. The API is free and public, requires no

    API key, and is rate-limited per IP. Versions v1.0 through v1.4 are

    available and documented at https://openmercantil.es/api/documentacion.'
  termsOfService: https://openmercantil.es/terminos-de-uso
  contact:
    name: OpenMercantil
    url: https://openmercantil.es/soporte
    email: social@openmercantil.es
  license:
    name: CC BY 4.0 For Derived Public-Data Outputs
    url: https://creativecommons.org/licenses/by/4.0/
servers:
- url: https://openmercantil.es
  description: Production
tags:
- name: Score
  description: Company score, trust score and activity timeseries
paths:
  /api/v1/company/{slug}/score:
    get:
      tags:
      - Score
      summary: Get Company Score
      operationId: getCompanyScore
      description: Return the OpenMercantil composite company score (introduced in v1.1).
      parameters:
      - name: slug
        in: path
        required: true
        schema:
          type: string
          example: inditex-sa-a15075062
      responses:
        '200':
          description: Score response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/CompanyScore'
        '404':
          $ref: '#/components/responses/NotFound'
        '429':
          $ref: '#/components/responses/TooManyRequests'
  /api/v1/company/{slug}/activity:
    get:
      tags:
      - Score
      summary: Get Company Activity Timeseries
      operationId: getCompanyActivity
      description: Return a time series of registry activity events for the company (v1.1).
      parameters:
      - name: slug
        in: path
        required: true
        schema:
          type: string
          example: inditex-sa-a15075062
      responses:
        '200':
          description: Activity timeseries
          content:
            application/json:
              schema:
                type: object
                additionalProperties: true
        '404':
          $ref: '#/components/responses/NotFound'
        '429':
          $ref: '#/components/responses/TooManyRequests'
  /api/v1/company/{slug}/trust-score:
    get:
      tags:
      - Score
      summary: Get Company Trust Score
      operationId: getCompanyTrustScore
      description: Return the OpenMercantil trust score combining BORME, CNMV, OEPM, PLACSP, BOE and sanctions signals (v1.4).
      parameters:
      - name: slug
        in: path
        required: true
        schema:
          type: string
          example: inditex-sa-a15075062
      responses:
        '200':
          description: Trust score response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/TrustScore'
        '404':
          $ref: '#/components/responses/NotFound'
        '429':
          $ref: '#/components/responses/TooManyRequests'
components:
  schemas:
    ErrorResponse:
      type: object
      properties:
        error:
          type: string
        message:
          type: string
      additionalProperties: true
    CompanyScore:
      type: object
      properties:
        slug:
          type: string
        score:
          type: number
        components:
          type: object
          additionalProperties: true
      additionalProperties: true
    TrustScore:
      type: object
      properties:
        slug:
          type: string
        trust_score:
          type: number
        signals:
          type: object
          additionalProperties: true
      additionalProperties: true
  responses:
    TooManyRequests:
      description: Rate limit exceeded
      headers:
        Retry-After:
          description: Seconds to wait before retrying.
          schema:
            type: integer
        X-RateLimit-Limit:
          description: Maximum requests per window (60 per minute by IP on the public anonymous tier).
          schema:
            type: integer
        X-RateLimit-Remaining:
          description: Remaining requests in the current window.
          schema:
            type: integer
        X-RateLimit-Reset:
          description: Unix timestamp when the rate-limit counter resets.
          schema:
            type: integer
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    NotFound:
      description: Resource not found
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
  securitySchemes:
    sessionCookie:
      type: apiKey
      in: cookie
      name: session
      description: Session cookie issued after web sign-in, required only for billing endpoints.