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

# Resolve bank account

> Verify and retrieve bank account holder details



## OpenAPI

````yaml /api-reference/openapi.json post /api/v1/bila/resolve/bank-account
openapi: 3.0.0
info:
  title: Bila Payment Gateway API
  description: |-

    Bila Payment Gateway API - A payment processing API for Africa.

    ## Overview

    This API provides payment gateway functionality for:
    - **Account Management**: Manage payment accounts/wallets
    - **Bank Operations**: Access bank reference data
    - **Account Resolution**: Verify bank and mobile money accounts
    - **Transfer Recipients**: Manage saved transfer recipients
    - **Transfers (Payouts)**: Send money to bank accounts and mobile money
    - **Collections (Receive Payments)**: Collect payments via mobile money
    - **Transaction History**: View all transactions

    ## Mobile Money Providers

    - Airtel Money
    - MTN Mobile Money (MoMo)
    - Zamtel Kwacha

    ## Countries Supported

    - Zambia (zm)
    - Nigeria (ng)

    ## Authentication

    Use your merchant API key in the `x-api-key` header.
    You can generate API keys from your merchant dashboard.

    ## Base URL

    ```
    https://api.usebila.com/api/v1
    ```

    For sandbox/testing:
    ```
    https://sandbox.usebila.com/api/v1
    ```
        
  version: '2.0'
  contact: {}
servers:
  - url: https://api.usebila.com
    description: Production
  - url: https://sandbox.usebila.com
    description: Sandbox
security:
  - x-api-key: []
tags:
  - name: Accounts
    description: Account/wallet management endpoints
  - name: Banks
    description: Bank reference data endpoints
  - name: Resolve
    description: Account resolution/verification endpoints
  - name: Transfer Recipients
    description: Transfer recipient management endpoints
  - name: Transfers
    description: Payout/transfer operation endpoints
  - name: Collections
    description: Payment collection operation endpoints
  - name: Transactions
    description: Transaction history endpoints
  - name: Webhooks
    description: Webhook configuration and delivery history
paths:
  /api/v1/bila/resolve/bank-account:
    post:
      tags:
        - Resolve
      summary: Resolve bank account
      description: Verify and retrieve bank account holder details
      operationId: BilaResolveController_resolveBankAccount
      parameters: []
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ResolveBankAccountDto'
      responses:
        '200':
          description: Bank account resolved successfully
          content:
            application/json:
              schema:
                allOf:
                  - $ref: '#/components/schemas/BilaResponseDto'
                  - properties:
                      data:
                        $ref: '#/components/schemas/ResolvedAccountResponseDto'
        '400':
          description: Invalid account details or unable to resolve
      security:
        - x-api-key: []
components:
  schemas:
    ResolveBankAccountDto:
      type: object
      properties:
        accountNumber:
          type: string
          description: Bank account number
          example: '1234567890'
        bankId:
          type: string
          description: Bank ID
          example: bank-001
        country:
          type: string
          description: Country code
          enum:
            - zm
            - ng
          example: zm
      required:
        - accountNumber
        - bankId
    BilaResponseDto:
      type: object
      properties:
        status:
          type: boolean
          description: Request success status
          example: true
        message:
          type: string
          description: Response message
          example: Operation completed successfully
      required:
        - status
        - message
    ResolvedAccountResponseDto:
      type: object
      properties:
        accountName:
          type: string
          description: Account holder name
          example: John Doe
        accountNumber:
          type: string
          description: Bank account number
          example: '1234567890'
        phone:
          type: string
          description: Phone number
          example: '0977433571'
        operator:
          type: string
          description: Mobile money operator
          example: airtel
        bankId:
          type: string
          description: Bank ID
          example: bank-001
        bankName:
          type: string
          description: Bank name
          example: First National Bank
        country:
          type: string
          description: Country code
          example: zm
      required:
        - accountName
        - country
  securitySchemes:
    x-api-key:
      type: apiKey
      in: header
      name: x-api-key
      description: Merchant API key (e.g., sk_live_xxx or sk_test_xxx)

````