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1 answer
187 views

Whatsapp Webhook callback error. The callback URL or verify token couldn't be validated. Please verify the provided information or try again later

While configuring webhook callback URL getting error "The callback URL or verify token couldn't be validated. Please verify the provided information or try again later." please assist. In ...
Shailesh's user avatar
1 vote
1 answer
446 views

How to correctly upload an image with WhatsApp API (meta) with C#?

I am trying to upload an image with WhatsApp API in a visual studio project. The following curl command runs correctly when run in the terminal/cmd in Windows 7: curl --insecure POST "https://...
albertzen's user avatar
0 votes
0 answers
216 views

How can I correctly upload a file to the Meta Whatsapp API via raw text in postman or an HTTP request from visual studio?

I started using the WhatsApp API (Meta for developers) and I've been able to send text, and even images or files successfully through links using postman and also from a Visual Studio project I ...
albertzen's user avatar
0 votes
1 answer
530 views

Trouble with webhook for whatsapp

I am writing a webhook in C# to receive messages, change state and so on from whatsapp business platform. My webhook receives data correctly from meta, but I cannot understand how to convalidate URL. ...
Demo's user avatar
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