Implementing Phone Number Acquisition in WeChat Mini Programs with ASP.NET Core
Overview
Obtaining a user's phone number in a WeChat Mini Program requires a multi-step process involving session key exchange and symmetric decryption. This guide covers the complete implementation using ASP.NET Core backend.
Step 1: Session Key Exchange
Frontend Login
In the Mini Program's app.js, invoke wx.login() to obtain an authorization ...
Posted on Fri, 21 Aug 2026 16:08:26 +0000 by johnpaine