> ## 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.

# 查询支持的网络和币种

> 查询GatePay支持用于静态地址收款的网络和币种

## 概述

本页说明 `GET /v1/pay/fixedaddress/chains` 接口。完整的请求参数、响应结构与示例由上方关联的 OpenAPI 定义渲染。

## 说明

* 认证方式使用 GatePay 标准签名请求头。
* 本页展示普通商户接口。
* 通用签名规则请参见 [/api-reference/version/100/cn/common/securityAndSignature](/api-reference/version/100/cn/common/securityAndSignature)。


## OpenAPI

````yaml api-reference/version/100/cn/openapi/fixed-address-openapi.json GET /v1/pay/fixedaddress/chains
openapi: 3.1.0
info:
  title: GatePay API - 静态收款地址
  version: 1.0.0
servers:
  - url: https://openplatform.gateapi.io
security: []
paths:
  /v1/pay/fixedaddress/chains:
    get:
      summary: 查询支持的网络和币种
      description: 查询GatePay支持用于静态地址收款的网络和币种
      operationId: getFixedAddressChains
      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: 成功响应
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ChainsResponse'
              examples:
                success:
                  value:
                    status: SUCCESS
                    code: '000000'
                    errorMessage: ''
                    data:
                      Chains:
                        - chain: ETH
                          showChainNameEn: ETH/ERC20
                          currencies:
                            - USDT
                            - USDS
                            - ETH
                            - MATIC
                            - USDC
                        - chain: TRX
                          showChainNameEn: Tron/TRC20
                          currencies:
                            - USDT
components:
  parameters:
    X-GatePay-Certificate-ClientId:
      name: X-GatePay-Certificate-ClientId
      in: header
      required: true
      description: 商户客户端ID，在 GatePay 平台申请获得
      schema:
        type: string
        example: 4186d0c6-6a35-55a9-8dc6-5312769dbff8
    X-GatePay-Signature:
      name: X-GatePay-Signature
      in: header
      required: true
      description: HMAC-SHA256签名，用于验证请求合法性
      schema:
        type: string
        example: >-
          672d5650dcc9bb22ebf25fa16c28d03c0e159d742a9176d4340a5da326d75dc8a2ec24c97fa6fc5d1533dd6e968863747e1d86a45e562cbe899f9ed7e9ca7f77
    X-GatePay-Timestamp:
      name: X-GatePay-Timestamp
      in: header
      required: true
      description: 时间戳（毫秒），与服务器时间差不能超过5分钟
      schema:
        type: string
        example: '1672905655498'
    X-GatePay-Nonce:
      name: X-GatePay-Nonce
      in: header
      required: true
      description: 随机数，用于防止重放攻击
      schema:
        type: string
        example: '3525756760'
  schemas:
    ChainsResponse:
      type: object
      properties:
        status:
          type: string
          description: 响应状态
          example: SUCCESS
          enum:
            - SUCCESS
            - FAIL
        code:
          type: string
          description: 响应码
          example: '000000'
        errorMessage:
          type: string
          description: 错误信息
          example: ''
        data:
          type: object
          properties:
            Chains:
              type: array
              items:
                $ref: '#/components/schemas/FixedChainItem'
    FixedChainItem:
      type: object
      properties:
        chain:
          type: string
          description: 网络
        showChainNameEn:
          type: string
          description: 网络英文名称
        currencies:
          type: array
          items:
            type: string
          description: 该网络下支持的币种

````