> ## 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.

# 查询支持链列表

> 根据提供的币种，查询支持接受该币种的所有链

## 概述

本页说明 `GET /payment/open/institution/v1/pay/address/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。

根据提供的币种，查询支持接受此币种的所有可用链

## 说明

* 认证方式使用 GatePay 标准签名请求头。
* 本页展示同一接口的机构路径版本。
* 除创建子账户、查询子账户详情、分页查询子账户外，机构侧请求需携带 `X-GatePay-On-Behalf-Of`。
* 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/institution/address-payment-openapi.json GET /payment/open/institution/v1/pay/address/chains
openapi: 3.0.1
info:
  title: GatePay 地址支付 API
  version: 1.0.0
  description: GatePay 地址支付接口（中文描述）
servers:
  - url: https://openplatform.gateapi.io
security: []
paths:
  /payment/open/institution/v1/pay/address/chains:
    get:
      summary: 查询支持链列表
      description: 根据提供的币种，查询支持接受该币种的所有链
      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'
        - name: currency
          in: query
          required: true
          schema:
            type: string
          description: 拟下单的币种
        - $ref: '#/components/parameters/X-GatePay-On-Behalf-Of'
      responses:
        '200':
          description: 成功响应
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ChainsResponse'
              example:
                status: SUCCESS
                code: '000000'
                errorMessage: ''
                data:
                  currency: BTC
                  chains:
                    - chain: BTC
                      currency: BTC
                      full_curr_type: BTC
                      symbol: BTC
                      explorer_url: ''
                      show_chain_name_en: Bitcoin BRC20
                    - chain: HT
                      currency: BTC
                      full_curr_type: BTC_HT
                      symbol: BTC_HT
                      explorer_url: ''
                    - chain: BSC
                      currency: BTC
                      full_curr_type: BTC_BSC
                      symbol: BTC_BSC
                      explorer_url: ''
components:
  parameters:
    X-GatePay-Certificate-ClientId:
      name: X-GatePay-Certificate-ClientId
      in: header
      required: true
      description: 商户客户端ID
      schema:
        type: string
        example: 4186d0c6-6a35-55a9-8dc6-5312769dbff8
    X-GatePay-Signature:
      name: X-GatePay-Signature
      in: header
      required: true
      description: 签名
      schema:
        type: string
        example: 672d5650dcc9bb22ebf25fa16c28d03c0e159d742a9176d4340a5da326d75dc8
    X-GatePay-Timestamp:
      name: X-GatePay-Timestamp
      in: header
      required: true
      description: 时间戳（毫秒）
      schema:
        type: string
        example: '1672905655498'
    X-GatePay-Nonce:
      name: X-GatePay-Nonce
      in: header
      required: true
      description: 随机数
      schema:
        type: string
        example: '9578'
    X-GatePay-On-Behalf-Of:
      name: X-GatePay-On-Behalf-Of
      in: header
      required: true
      schema:
        type: string
      description: >-
        必填代理归属请求头。请填写本次请求的发起方账户 ID；在机构代理商户 API 中通常填写目标子账户 ID，在机构代扣与划转接口中可填写机构账户
        ID 或子账户 ID。
  schemas:
    ChainsResponse:
      type: object
      properties:
        currency:
          type: string
          description: 查询的币种
        chains:
          type: array
          description: 支持的链列表
          items:
            $ref: '#/components/schemas/ChainNameItem'
    ChainNameItem:
      type: object
      properties:
        chain:
          type: string
          description: 链名称
        currency:
          type: string
          description: 币种
        full_curr_type:
          type: string
          description: 包含链信息的币种标识（下单重要参数）
        symbol:
          type: string
          description: 链上交易符号
        explorer_url:
          type: string
          description: 区块浏览器地址
        show_chain_name_en:
          type: string
          description: 链的英文名称

````