# WeChat Open Platform — Third-Party Platform API

**Canonical:** https://apis.io/apis/wechat/wechat-open-platform-third-party/  
**Provider:** WeChat — https://apis.io/providers/wechat/  
**Documentation:** https://developers.weixin.qq.com/doc/oplatform/Third-party_Platforms/Authorization_Process_Technical_Description.html

WeChat Open Platform — Third-Party Platform API is one of 16 APIs that [WeChat](https://apis.io/providers/wechat/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Open Platform, Third-Party Platform, ISV, Delegation, and Mini Programs. The published artifact set on APIs.io includes API documentation.

API surface that lets authorized ISVs operate Official Accounts and Mini Programs on behalf of merchant clients ("代商家调用接口"). Covers merchant authorization onboarding, developing Mini Programs on behalf of merchants (registration, certification, code template upload, version management), initiating web authorization, handling messages and events, using the JS-SDK on behalf of accounts, cloud development integration, domain configuration, privacy settings, and merchant-violation notifications.

## Machine-readable artifacts (2)

- **Documentation** — https://developers.weixin.qq.com/doc/oplatform/Third-party_Platforms/Authorization_Process_Technical_Description.html
- **Portal** — https://open.weixin.qq.com/cgi-bin/frame?t=home/wx_plugin&lang=zh_CN

## Other WeChat APIs (12)

- [WeChat Mini Programs Server API](https://apis.io/apis/wechat/wechat-mini-programs-server-api/)
- [WeChat Mini Programs Client API](https://apis.io/apis/wechat/wechat-mini-programs-client-api/)
- [WeChat Pay APIv3 (Direct-Connect Merchant)](https://apis.io/apis/wechat/wechat-pay-apiv3-direct-merchant/)
- [WeChat Pay APIv3 (Service Provider / Partner)](https://apis.io/apis/wechat/wechat-pay-apiv3-service-provider/)
- [WeChat Pay Global v3 API](https://apis.io/apis/wechat/wechat-pay-global-v3/)
- [WeChat Open Platform — Mobile App Login (OAuth 2.0)](https://apis.io/apis/wechat/wechat-open-platform-mobile-login/)
- [WeChat Open Platform — Website Login (QR OAuth)](https://apis.io/apis/wechat/wechat-open-platform-website-login/)
- [WeChat Official Accounts API](https://apis.io/apis/wechat/wechat-official-accounts-api/)
- [WeChat Work (WeCom) API](https://apis.io/apis/wechat/wechat-work-api/)
- [WeChat Cloud Hosting API](https://apis.io/apis/wechat/wechat-cloud-hosting-api/)
- [WeChat Channels (Video Accounts) Developer Surface](https://apis.io/apis/wechat/wechat-channels-api/)
- [WeChat Shop (微信小店) API](https://apis.io/apis/wechat/wechat-shop-api/)

## Tags

Open Platform, Third-Party Platform, ISV, Delegation, Mini Programs, Official Accounts

---

Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/wechat/wechat-open-platform-third-party/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/wechat/.