This is a fork from currently unsupported mgp25/Chat-API-NET project - WhatsApp API client library written in C#.

• fixed encoder/decoder
• register/login constants fixes
• small protocol fixes
• demo client with some small functionality (login, get phone presence, status, photo) added

Modifications were "translated" from tgalal/yowsup project - Python WhatsApp API client library.

Most important files in tgalal/yowsup:

• WhatsApp constants
• encoder and decoder
• authentication layer
• protocol dictionary

Web API (ASP.NET Core Web API using .NET Framework) application that receives information about phone number using WhatsApp API.

Application is for PoC purposes only.

• phone

• phone registered state
• user id
• status text
• last seen timestamp
• profile photo file