openapi: 3.2.0
info:
  title: Sirenic Demo API
  version: 1.0.0
  description: 'French & European company data, pay-per-call in USDC or EURC — EURC at numeric parity: the same figure as the USDC price, not FX-converted (at the ECB rate of 4 Sept 2026, about 16 % more in dollar terms) via the x402 protocol — or with an API key and prepaid credits (1 credit = 1 EUR, same per-call prices, no wallet).'
  contact:
    email: contact@sirenic.eu
  license:
    name: 'Data: Licence Ouverte / Open License Etalab 2.0'
    url: https://www.etalab.gouv.fr/licence-ouverte-open-licence/
servers:
- url: https://api.sirenic.eu
security:
- {}
- ApiKeyAuth: []
- BearerAuth: []
tags:
- name: Demo
paths:
  /v1/demo/entreprise:
    get:
      summary: FREE DEMO — the exact GET /v1/entreprise/{siren} response for two fixed SIREN…
      security: []
      parameters:
      - name: siren
        in: query
        required: false
        schema:
          type: string
          enum:
          - '552032534'
          - '652014051'
          default: '552032534'
        description: One of the two demo SIREN. Any other value → 400 with the allowed list (the paid route serves any SIREN).
      responses:
        '200':
          description: Same structure as the paid route (plus a `_demo` note), served from a 24 h in-process cache, signed like every 2xx of /v1.
        '400':
          description: 'SIREN outside the demo list. Nothing was charged: this route is not priced.'
        '404':
          description: Demo SIREN unknown upstream (should not happen in production).
      tags:
      - Demo
      operationId: getV1DemoEntreprise
      x-operation-id-source: derived
components:
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: X-Api-Key
      description: 'Sirenic API key (srn_live_…) paying with prepaid credits (1 credit = 1 EUR, same prices as x402). Credits expire 12 months after purchase; calls are charged first to the credits closest to expiry. Optional: without it, the same routes answer 402 with a signable x402 quote. Insufficient balance → 402 {error: credits_insuffisants} WITHOUT a PAYMENT-REQUIRED header. Get a key at /compte.'
    BearerAuth:
      type: http
      scheme: bearer
      description: 'The same srn_live_… API key sent as Authorization: Bearer. A bearer value that is not an srn_ key is ignored (x402 flow unchanged).'