generated: '2026-07-19' method: searched source: https://open.wangdian.cn/qyb/open/apidoc docs: https://open.wangdian.cn/open/guide?path=guide_kfzn api: Wangdiantong Open Platform API (openapi2) authentication: style: request-signature (sid + appkey + timestamp + MD5 sign) ref: authentication/huice-authentication.yml hosts: production: https://api.wangdian.cn/openapi2/ sandbox: https://sandbox.wangdian.cn/openapi2/ ref: sandbox/huice-sandbox.yml request: transport: HTTP path_style: named PHP methods under /openapi2/ (e.g. trade_query.php, trade_push.php, goods_query.php) parameters: form-style key/value request parameters signed into the sign field pagination: style: page-number params: - name: page_no default: 0 description: Zero-based page index. - name: page_size default: 40 range: 1-100 description: Records per page. response_fields: - name: total_count description: Total matching records; returned only when page_no = 0. versioning: scheme: uri-path current: openapi2 ref: lifecycle/huice-lifecycle.yml error_envelope: fields: - name: code type: int description: Status code; 0 = success, non-zero = failure. - name: message type: string description: Human-readable error/status description. ref: errors/huice-error-codes.yml idempotency: supported: false note: No documented idempotency-key mechanism; write methods (e.g. *_push.php) are not documented as idempotent. rate_limiting: documented: false note: No public rate-limit signaling headers documented on the Open Platform.