Note to self.

Start chat with phone number


Prefill the text field


These links may not work when the user is using the desktop app. To resolve this WA allows the use of their web proxy, which is basically a bit of javascript doing some checks and then request the url above to launch the app.

Start chat with phone number

Prefill text field

To enforce the WA webapp, just replace api with web.

Related stuff

Categories: Code

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