openapi: 3.0.3
info:
  title: US Bank Corporate Account Information Accounts Credit Transfers API
  description: The Corporate Account Information API provides U.S. Bank corporate customers with programmatic access to deposit account balances and transaction data. Retrieve current-day and previous-day balances for up to 50 accounts, transaction history up to 60 days (with optional 12 or 24-month retention), and account statements.
  version: 1.0.0
  contact:
    name: US Bank API Onboarding Team
    url: https://developer.usbank.com/contact
    email: apionboarding@usbank.com
  termsOfService: https://developer.usbank.com/terms
servers:
- url: https://api.usbank.com/v1
  description: US Bank production API
security:
- OAuth2MFA: []
tags:
- name: Credit Transfers
paths:
  /rtp/credit-transfers:
    post:
      operationId: initiateRTPCreditTransfer
      summary: Initiate RTP Credit Transfer
      description: Initiate an RTP credit transfer transaction. The payer must be a U.S. Bank customer. Transactions are processed 24/7/365 and settle instantly. All transactions are irrevocable once submitted.
      tags:
      - Credit Transfers
      parameters:
      - name: Content-Type
        in: header
        required: true
        schema:
          type: string
          default: application/json
      - name: Correlation-ID
        in: header
        required: true
        schema:
          type: string
          format: uuid
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CreditTransferRequest'
      responses:
        '201':
          description: Credit transfer initiated successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/CreditTransferResponse'
        '400':
          description: Bad Request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '422':
          description: Unable to process payment
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
  /rtp/credit-transfers/{transactionId}:
    get:
      operationId: getRTPCreditTransferStatus
      summary: Get RTP Credit Transfer Status
      description: Retrieve the status and details of an RTP credit transfer that was initiated or an incoming credit transfer.
      tags:
      - Credit Transfers
      parameters:
      - name: transactionId
        in: path
        required: true
        description: The unique identifier of the RTP credit transfer transaction
        schema:
          type: string
      - name: Correlation-ID
        in: header
        required: true
        schema:
          type: string
          format: uuid
      - name: Accept
        in: header
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Credit transfer status and details
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/CreditTransferResponse'
        '404':
          description: Transaction not found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
components:
  schemas:
    CreditTransferResponse:
      type: object
      description: Credit transfer status and details
      properties:
        transactionId:
          type: string
          description: U.S. Bank transaction identifier
        endToEndId:
          type: string
          description: End-to-end identifier
        status:
          type: string
          enum:
          - PENDING
          - ACCEPTED
          - COMPLETED
          - REJECTED
          - FAILED
          description: Transaction status
        amount:
          type: number
          format: double
          description: Payment amount
        createdAt:
          type: string
          format: date-time
          description: Transaction creation timestamp
        completedAt:
          type: string
          format: date-time
          description: Settlement completion timestamp
        statusMessage:
          type: string
          description: Additional status information
      required:
      - transactionId
      - status
      - amount
      - createdAt
    CreditTransferRequest:
      type: object
      description: Request to initiate an RTP credit transfer
      properties:
        payerAccountNumber:
          type: string
          description: U.S. Bank account number to debit
        payeeAccountNumber:
          type: string
          description: Recipient's account number
        payeeRoutingNumber:
          type: string
          description: Recipient's bank routing number
        payeeName:
          type: string
          description: Recipient's name
        amount:
          type: number
          format: double
          description: Payment amount in USD
        remittanceInfo:
          type: string
          description: Payment description or remittance information (max 140 characters)
        endToEndId:
          type: string
          description: Unique end-to-end identifier for the payment (client-assigned)
      required:
      - payerAccountNumber
      - payeeAccountNumber
      - payeeRoutingNumber
      - payeeName
      - amount
    Error:
      type: object
      properties:
        code:
          type: string
          description: Error code
        message:
          type: string
          description: Error message
        correlationId:
          type: string
          description: Correlation ID from the request
  securitySchemes:
    OAuth2MFA:
      type: oauth2
      description: OAuth 2.0 with MFA using SinglePoint credentials
      flows:
        authorizationCode:
          authorizationUrl: https://api.usbank.com/oauth/authorize
          tokenUrl: https://api.usbank.com/oauth/token
          scopes:
            account.read: Read account information
            transaction.read: Read transaction data