'Facebook Webhooks doesn't receive any message
I have a Developer Account, I have a Facebook Fans Page, and I have a Facebook App which link to Facebook Fans Page. I also deploy the backend to heroku successfully. And I also have access token, and Webhooks url and verify token still complete.
Through the curl by cmd, the backend receive message successfully. But through the Facebook Messenger webpage to send message, the backend can't receive any message from any user.
Why???
https://developers.facebook.com/docs/messenger-platform/getting-started/app-setup/
I follow this document, but not working.
Sources
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Source: Stack Overflow
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