Coinme Transaction API

openapi: 3.1.0
info:
  title: Coinme Crypto-as-a-Service AuthLinkResult Transaction API
  version: '1.2'
  description: 'Coinme Crypto-as-a-Service (CaaS) API. Harvested from provider-published per-endpoint OpenAPI blocks at docs.coinme.com/reference. Modular crypto infrastructure: KYC onboarding, quotes, buy/sell orders, wallets, sends, cash on/off-ramp, payment methods, and webhooks.'
servers:
- url: https://caas.coinme.com/services
  description: production
- url: https://caas-staging.coinme.com/services
  description: staging
tags:
- name: Transaction
paths:
  /transaction:
    post:
      summary: Initiate Buy/Sell Transaction with Quote
      description: Creates a buy or sell transaction using a customerId and quoteId.
      operationId: initiate-buy-sell-transaction
      parameters:
      - name: Authorization
        in: header
        description: Bearer token {authorize} endpoint
        required: true
        schema:
          type: string
          default: Bearer ******
      - name: User-Agent
        in: header
        description: Partner User Agent ID (provided by Coinme)
        required: true
        schema:
          type: string
      requestBody:
        content:
          application/json:
            schema:
              type: object
              required:
              - customerId
              - quoteId
              properties:
                customerId:
                  type: integer
                  description: Unique customer identifier
                  format: int64
                paymentMethodId:
                  type: integer
                  description: ID of payment method to buy or sell with (given in Add New Payment Method response). Required when using payment processing through Coinme
                  format: int64
                partnerTransactionId:
                  type: string
                  description: Automatically generated if not provided
                quoteId:
                  type: string
                  description: Quote Identifier referring to the specific crypto quote
                externalCustodyCreditInfo:
                  type: object
                  description: Applicable for BUY flow only when sending to an external wallet (not custodied by Coinme), details for sending crypto to external wallet
                  required:
                  - walletAddress
                  properties:
                    walletAddress:
                      type: string
                      description: Wallet address to send crypto to. Required for external crypto deposit
                    blockchainMemo:
                      type: string
                      description: Blockchain memo for transaction (if applicable)
                sourceWalletAddress:
                  type: string
                  description: Applicable for SELL flow only when selling from an external wallet (not custodied by Coinme), indicates from what wallet address is crypto sent
                tags:
                  type: string
                  description: Can be used to mark a transaction with unique keywords
                webSessionId:
                  type: string
                  description: To be provided when using Coinme payment processing
      responses:
        '200':
          description: '200'
          content:
            application/json:
              examples:
                Result:
                  value: "{\n  \"data\": \n  { \"partnerTransactionId\":\"34567890\",\n    \"creditCurrencyUnitPrice\":\"7.917\",\n    \"creditCurrencyUnitPriceCode\":\"DOGE/USD\",\n    \"debitCurrencyUnitPrice\":\"0.1263104711\",\n    \"debitCurrencyUnitPriceCode\":\"USD/DOGE\",\n    \"creditCurrencyAmount\":\"771.9075\",//include the spread \n    \"creditCurrencyCode\":\"DOGE\",\n    \"debitCurrencyAmount\":\"100\",//Amount value requested by User\n    \"debitCurrencyCode\":\"USD\",\n    \"totalFees\":\"2.5\",//exchange fee value\n    \"feeCurrencyCode\":\"USD\", // exchange fee currency code\n    \"feesMap\":{\n      \"exchangeFee\":\"2.5\",\n      \"processingFee\":\"0\",\n      \"blockchainFee\": \"0.4\" // present if request for quote had cryptoSettlementType: EXTERNAL\n    },\n    \"spreadAmount\":\"0.117\",\n    \"spreadCurrencyCode\":\"USD\"\n},\n  \"errorResponse\": null\n}"
              schema:
                type: object
                properties:
                  data:
                    type: object
                    properties:
                      partnerTransactionId:
                        type: string
                        example: '34567890'
                      creditCurrencyUnitPrice:
                        type: string
                        example: '7.917'
                      creditCurrencyUnitPriceCode:
                        type: string
                        example: DOGE/USD
                      debitCurrencyUnitPrice:
                        type: string
                        example: '0.1263104711'
                      debitCurrencyUnitPriceCode:
                        type: string
                        example: USD/DOGE
                      creditCurrencyAmount:
                        type: string
                        example: '771.9075'
                      creditCurrencyCode:
                        type: string
                        example: DOGE
                      debitCurrencyAmount:
                        type: string
                        example: '100'
                      debitCurrencyCode:
                        type: string
                        example: USD
                      totalFees:
                        type: string
                        example: '2.5'
                      feeCurrencyCode:
                        type: string
                        example: USD
                      feesMap:
                        type: object
                        properties:
                          exchangeFee:
                            type: string
                            example: '2.5'
                          processingFee:
                            type: string
                            example: '0'
                          blockchainFee:
                            type: string
                            example: '0.4'
                      spreadAmount:
                        type: string
                        example: '0.117'
                      spreadCurrencyCode:
                        type: string
                        example: USD
                  errorResponse: {}
        '400':
          description: '400'
          content:
            application/json:
              examples:
                Result:
                  value: "{\n  \"data\": null,\n  \"errorResponse\": {\n    \"httpStatus\":\"200\",\n    \"timestamp\":\"2022-02-01T18:59:28.297Z\",//UTC\n    \"path\":\"/services/transaction POST\",\n    \"errorData\": [\n      {\n        \"errorCode\":\"123-123-123-123\",//The error code is just a sample showing the structure of the error code.\n        \"message\":\"Invalid QuoteId\"\n      }\n    ]\n}"
        '401':
          description: '401'
          content:
            text/plain:
              examples:
                Result:
                  value: ''
        '500':
          description: '500'
          content:
            text/plain:
              examples:
                Result:
                  value: ''
      deprecated: false
      security:
      - x-api-key: []
      tags:
      - Transaction
components:
  securitySchemes:
    basic:
      type: http
      scheme: basic
    x-api-key:
      type: apiKey
      in: header
      name: x-api-key