银行想通过自有app发放微信立减金，需要银行自身开通商户号和app接入微信支付吗？
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相关文档
- App: 小程序/开发/框架/框架接口/小程序 App/App
- Mobile App Assistant: Mini Program/Development/Extended/Update log/Mobile App Assistant
- Mobile App Assistant: Mini Program/Development/Extended/Operating Guide/Mobile App Assistant
- App Download and install: Mini Program/Development/Extended/Operating Guide/Mobile App Assistant
- App Version Update: Mini Program/Development/Extended/Operating Guide/Mobile App Assistant