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OpenAPI Specification

openapi: 3.2.0
info:
  title: Bridge API Keys Exchange Rates API
  description: APIs to move into, out of, and between any form of a dollar
  version: '1'
servers:
- url: https://api.bridge.xyz/v0
  description: The base path for all resources
security:
- ApiKey: []
tags:
- name: Exchange Rates
paths:
  /exchange_rates:
    get:
      summary: Get current exchange rate between two currencies.
      description: "Returns the current exchange rate from the \"from\" currency to the \"to\" currency.\nThe exchange rate is updated roughly every 30s. Note that as of this writing,\nBridge does not offer a \"quote\" by which a user can lock in a rate for a given\namount of time. This is provided only as a courtesy to estimate what you are\nlikely to get in a subsequent transfer request that involves currency exchange.\n\nAs of March 2026, we support:\n  - `USD <> BRL`\n  - `USD <> COP`\n  - `USD <> EUR`\n  - `USD <> GBP`\n  - `USD <> MXN`\n  - `USD <> USDT`\n"
      tags:
      - Exchange Rates
      parameters:
      - in: query
        name: from
        required: true
        description: The currency code to convert from.
        example: usd
        schema:
          type: string
          enum:
          - brl
          - cop
          - eur
          - gbp
          - mxn
          - usd
          - usdt
      - in: query
        name: to
        required: true
        description: The currency code to convert to.
        example: eur
        schema:
          type: string
          enum:
          - brl
          - cop
          - eur
          - gbp
          - mxn
          - usd
          - usdt
      responses:
        '200':
          description: The exchange rate information.
          content:
            application/json:
              schema:
                type: object
                properties:
                  midmarket_rate:
                    type: string
                    example: '0.93425'
                    description: The midmarket exchange rate.
                  buy_rate:
                    type: string
                    example: '0.9389'
                    description: The rate for buying the target currency, including Bridge's fee.
                  sell_rate:
                    type: string
                    example: '0.9296'
                    description: The rate for selling the target currency, including Bridge's fee.
                  updated_at:
                    type: string
                    format: date-time
                    example: '2026-01-15T12:00:00.000Z'
                    description: The timestamp when the exchange rate was last collected from the market data provider.
components:
  securitySchemes:
    ApiKey:
      type: apiKey
      name: Api-Key
      in: header