Check whether an external user is bound to a platform member. Binding is created in the admin console; this endpoint is read-only. Unbound or disabled bindings return a business error.
| externalUserId required | string <= 64 characters Partner-side user id. Must be bound to a platform member before quote/create/pay. |
{- "externalUserId": "shopify_10086"
}List all member binds of the current partner (identified by the access token). No request body. Includes disabled binds and each member's wallet balance (fen, CNY). Empty list when none exist. Numeric member id is not exposed.
| property name* additional property | any |
{ }开放平台仅支持 client_credentials 客户端模式；client_id + client_secret 通过 HTTP Basic 认证头传递
| grant_type required | string Example: grant_type=client_credentials 授权类型，固定为 client_credentials |
| scope | string Example: scope=goods:detail:read 授权范围，多个使用空格分隔 |