> ## Documentation Index > Fetch the complete documentation index at: https://doc.haipay.net/llms.txt > Use this file to discover all available pages before exploring further. # 公共接口 — 查询商户支付配置 > 公共接口 — 查询商户支付配置（POST /common/payment/config）：根据应用ID查询商户的可用支付配置信息，包括支付方式、费率、账期等配置；关键请求参数含 appId、sign。 > [!NOTE] > > 本页所有示例请求均基于**沙盒（测试）环境**，请注意区分正式环境。 #### 密钥私钥(生成签名) ## 相关主题 * [公共接口](https://doc.haipay.net/zh/history/V20260701/api/version2/CommonApi.md) * [HaiPay API 文档简介](https://doc.haipay.net/zh/history/V20260701/api-reference/overview.md) * [HaiPay 配置与签名指南](https://doc.haipay.net/zh/history/V20260701/guide/config_settings_and_signature_rules_guide.md) * [账户查询](https://doc.haipay.net/zh/operations/account-query.md) * [查阅接口响应结构与错误码](https://doc.haipay.net/zh/history/V20260701/guide/error_response_appendix.md) ## OpenAPI ````yaml docs/zh/api-reference/common/common.openapi.json POST /common/payment/config openapi: 3.1.0 info: title: 公共接口 API description: HaiPay 公共接口，包括账户查询、对帐文件下载、代付凭证、汇率查询、支付凭证PDF和商户支付配置查询。 version: 1.0.0 servers: - url: https://uat-interface.haipay.asia description: 测试-interface security: [] tags: [] paths: /common/payment/config: post: tags: [] summary: 查询商户支付配置 description: 根据应用ID查询商户的可用支付配置信息，包括支付方式、费率、账期等配置。 parameters: [] requestBody: content: application/json: schema: type: object properties: appId: type: integer description: 应用ID（必填） format: int64 tranType: type: string description: 支付类型（可选，如 BANK_ACCOUNT、BANK_CARD、EWALLET 等），如果传入则按支付类型筛选 transaction: type: string description: 交易类型（可选，pay=代付，collect=收款），如果传入则按交易类型筛选 sign: type: string description: 签名（必填） required: - appId - sign example: appId: 1054 tranType: BANK_ACCOUNT transaction: pay sign: >- af0gAHkUOyYHu9owQp8NJ4mPEeUW4vuJcjdxqLIzrVw8AvpLSjD1DXupReSG/CyuSkFRyiIvCp5u703AuGGmfgD2gKDH3Ywau41bAbG2jnHJ8mtjiSJ5iWUzanyd4Kr7d1+rETbzUl7/BkW3t0X8UUFdqpxwG8DPUjAwUKfplWDHV7koG51Ozexd80DCsmW6eWdouAZ1uNXGLYmV3ftE3BmfNRtuv1C5bfTJWrTEIOxbF6g2uYOFZTlIgrQgd7/2PsAYwQQXNz8Q8CYl4OxqCv4pXJxaLWPbR5tqZu9og5kn32C9aHW/NlU1y39vzz+4ef81yPAqUV9oHlSMSPrMmw== required: true responses: '200': description: '' content: application/json: schema: type: object properties: status: type: string description: 状态码 error: type: string description: 错误码 msg: type: string description: 消息 data: type: object properties: userId: type: integer description: 用户ID format: int64 configs: type: array description: 配置列表 items: type: object properties: appId: type: integer description: 应用ID format: int64 appName: type: string description: 应用名称 tranCode: type: string description: 交易类型：pay=代付，collect=收款 tranType: type: string description: 支付类型（交易方式） currNo: type: string description: 币种编码（如USD, CNY） payMethods: type: array description: 支付方式信息列表 items: type: object properties: inBankCode: type: string description: 支付方式编码 name: type: string description: 支付方式名称 limit: type: object description: 限额信息 properties: singleMinAmount: type: string description: 单笔最小金额 singleMaxAmount: type: string description: 单笔最大金额 feeRate: type: object description: 费率信息 properties: feeType: type: integer description: 手续费收取方式：0=外扣，1=内扣 feeMode: type: integer description: 手续费收款类型：0=比率，1=按笔，2=阶梯，3=底价 feeRate: type: string description: 手续费率 feeFixedValue: type: string description: 固定手续费 degrees: type: array description: 阶梯费率列表（fee_mode=2时） items: type: object properties: start: type: integer description: 区间开始 format: int64 end: type: integer description: 区间结束 format: int64 value: type: string description: 区间值（阶梯费率） name: type: string description: 区间名称 settlement: type: object description: 账期信息 properties: stlMode: type: string description: 结算方式：D0=自然天，TN=工作日，WN=周结，MN=月结 stlCycle: type: integer description: 结算周期值 supportRefund: type: boolean description: 是否支持退款 sign: type: string description: 签名 additionalProperties: false example: status: '1' error: '00000000' msg: success data: userId: 10001 configs: - appId: 1054 appName: My App tranCode: pay tranType: BANK_ACCOUNT currNo: USD payMethods: - inBankCode: PIX name: Bank Transfer limit: singleMinAmount: '1.00' singleMaxAmount: '50000.00' feeRate: feeType: 0 feeMode: 0 feeRate: '0.025' feeFixedValue: '0.00' degrees: - start: 0 end: 0 value: '' name: Bank Transfer settlement: stlMode: D0 stlCycle: 0 supportRefund: true sign: >- af0gAHkUOyYHu9owQp8NJ4mPEeUW4vuJcjdxqLIzrVw8AvpLSjD1DXupReSG/CyuSkFRyiIvCp5u703AuGGmfgD2gKDH3Ywau41bAbG2jnHJ8mtjiSJ5iWUzanyd4Kr7d1+rETbzUl7/BkW3t0X8UUFdqpxwG8DPUjAwUKfplWDHV7koG51Ozexd80DCsmW6eWdouAZ1uNXGLYmV3ftE3BmfNRtuv1C5bfTJWrTEIOxbF6g2uYOFZTlIgrQgd7/2PsAYwQQXNz8Q8CYl4OxqCv4pXJxaLWPbR5tqZu9og5kn32C9aHW/NlU1y39vzz+4ef81yPAqUV9oHlSMSPrMmw== headers: {} deprecated: false security: [] ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.