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OpenAPI Specification

openapi: 3.2.0
info:
  title: Send21 Io Rates API
  version: v1
  contact:
    name: send21 integration support
    email: integration@send21.io
  description: 'Operations tagged Rates across 2 of this provider''s published API definitions: send21-io-openapi.json, swagger.json. Each path carries the servers of the definition it was published in.'
servers:
- url: https://send21.io
security:
- ApiKey: []
tags:
- name: Rates
paths:
  /api/v1/rates:
    get:
      tags:
      - Rates
      parameters:
      - name: ccy
        in: query
        schema:
          type: string
          default: USD
      - name: asset
        in: query
        schema:
          $ref: '#/components/schemas/PaymentCurrency'
      responses:
        '200':
          description: OK
          content:
            text/plain:
              schema:
                $ref: '#/components/schemas/RateResponse'
            application/json:
              schema:
                $ref: '#/components/schemas/RateResponse'
            text/json:
              schema:
                $ref: '#/components/schemas/RateResponse'
      summary: Get api rates
      x-summary-source: derived
      operationId: getApiV1Rates
      x-operation-id-source: derived
    servers:
    - url: https://send21.io
components:
  schemas:
    PaymentCurrency:
      enum:
      - Btc
      - Usdc
      - Usdt
      - Eurc
      - Sol
      - Eth
      type: string
    RateResponse:
      type: object
      properties:
        currency:
          type:
          - string
          - 'null'
        btcRate:
          type: number
          format: double
        source:
          type:
          - string
          - 'null'
        fetchedAt:
          type: string
          format: date-time
      additionalProperties: false
  securitySchemes:
    ApiKey:
      type: http
      description: 'AI-agent API key (Authorization: Bearer s21_...). Humans use passkey session cookies instead.'
      scheme: bearer
      bearerFormat: s21_...
x-refined-from:
- send21-io-openapi.json
- swagger.json