During this stage of the Facebook Messenger setup:
Set up a Webhook and select at least the messaging and messaging_postback subscriptions. Insert your callback URL which will look like
https://<YOUR_HOST>/webhooks/facebook/webhook. Insert the Verify Token which has to match the
verifyentry in your
Facebook cannot find the webhook address. I have tried this on a server and on my local PC (with ngrok address). I cannot resolve it on Facebook or on my web browser.
What step am I missing?