> ## Documentation Index
> Fetch the complete documentation index at: https://docs.fossapay.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Transfer NGN to an external bank

> Send NGN to an account at another supported Nigerian bank. Use wallet-to-wallet transfer instead when both customers belong to the same FossaPay business.



## OpenAPI

````yaml /api-reference/openapi.json post /api/v1/transfers/fiat/inter-bank
openapi: 3.1.0
info:
  title: FossaPay API
  description: >-
    FossaPay API for checkout wallets, master-wallet payouts, customer
    management, NGN wallets, crypto wallets, transfers, fees, banks, and
    webhooks.
  license:
    name: MIT
  version: 1.0.0
servers:
  - url: https://api-production.fossapay.com
    description: Production server
security:
  - ApiKeyAuth: []
paths:
  /api/v1/transfers/fiat/inter-bank:
    post:
      tags:
        - NGN Transfers
      summary: Transfer NGN to an external bank
      description: >-
        Send NGN to an account at another supported Nigerian bank. Use
        wallet-to-wallet transfer instead when both customers belong to the same
        FossaPay business.
      operationId: FiatTransfersController_interBankTransfer
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/InterBankTransferRequest'
      responses:
        '200':
          description: Transfer request is being processed
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/InterBankTransferResponse'
        '400':
          description: Bad request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ApiError'
        '404':
          description: Customer or account not found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ApiError'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ApiError'
components:
  schemas:
    InterBankTransferRequest:
      type: object
      required:
        - customerId
        - destinationBankCode
        - destinationAccountName
        - destinationAccountNumber
        - destinationBankName
        - reference
        - remarks
        - amount
      properties:
        customerId:
          type: string
          format: uuid
        destinationBankCode:
          type: string
        destinationAccountName:
          type: string
        destinationAccountNumber:
          type: string
        destinationBankName:
          type: string
        reference:
          type: string
          minLength: 1
          maxLength: 36
          description: >-
            Unique customer inter-bank transfer reference. Must be 36 characters
            or fewer.
        remarks:
          type: string
        amount:
          type: number
      additionalProperties: false
    InterBankTransferResponse:
      type: object
      required:
        - status
        - statusCode
        - message
        - data
      properties:
        status:
          type: boolean
        statusCode:
          type: integer
        message:
          type: string
        data:
          type: object
          required:
            - reference
          properties:
            reference:
              type: string
          additionalProperties: true
      additionalProperties: true
    ApiError:
      type: object
      properties:
        status:
          oneOf:
            - type: string
            - type: boolean
        statusCode:
          type: integer
        message:
          type: string
        error:
          type: string
        code:
          type: string
        errors:
          type: object
          additionalProperties: true
      additionalProperties: true
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: x-api-key

````