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

# Bank Countries

> Query available countries for bank account registration.

## Overview

This page documents the `GET /withdraw/open/otc/api/bank/country/list` endpoint. The full schema, parameters, and examples are rendered from the linked OpenAPI definition above.

## Notes

* Authentication uses the standard GatePay signed headers.
* This page documents the standard merchant endpoint.
* For shared signing rules, see [/api-reference/version/100/en/common/securityAndSignature](/api-reference/version/100/en/common/securityAndSignature).


## OpenAPI

````yaml /api-reference/version/100/en/openapi/otc-fiat-openapi.json GET /withdraw/open/otc/api/bank/country/list
openapi: 3.1.0
info:
  title: GatePay OTC Fiat API
  description: Reference for OTC fiat withdrawal and deposit APIs.
  version: 2.1.0
servers:
  - url: https://openplatform.gateapi.io
security: []
paths:
  /withdraw/open/otc/api/bank/country/list:
    get:
      summary: Query Available Bank Countries
      description: Query available countries for bank account registration.
      parameters:
        - $ref: '#/components/parameters/X-GatePay-Certificate-ClientId'
        - $ref: '#/components/parameters/X-GatePay-Signature'
        - $ref: '#/components/parameters/X-GatePay-Timestamp'
        - $ref: '#/components/parameters/X-GatePay-Nonce'
      responses:
        '200':
          description: Success
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/CountryListResponse'
components:
  parameters:
    X-GatePay-Certificate-ClientId:
      name: X-GatePay-Certificate-ClientId
      in: header
      required: true
      schema:
        type: string
      description: Merchant application client ID used to identify the calling app.
    X-GatePay-Signature:
      name: X-GatePay-Signature
      in: header
      required: true
      schema:
        type: string
      description: >-
        HMAC signature generated from the request according to GatePay signing
        rules.
    X-GatePay-Timestamp:
      name: X-GatePay-Timestamp
      in: header
      required: true
      schema:
        type: string
      description: Unix timestamp used for replay protection and signature verification.
    X-GatePay-Nonce:
      name: X-GatePay-Nonce
      in: header
      required: true
      schema:
        type: string
      description: Random nonce used together with the timestamp to prevent replay attacks.
  schemas:
    CountryListResponse:
      type: object
      properties:
        code:
          type: string
          description: Business response code.
        status:
          type: string
          description: Top-level request status.
        data:
          type: array
          items:
            type: object
            properties:
              countryId:
                type: integer
                description: Country ID.
              countryName:
                type: string
                description: Country name in English.
              countryCn:
                type: string
                description: Country name in Chinese.
          description: Supported country list.

````