WhatsApp Trigger webhook won't validate — generic "Invalid parameter" / callback verification fails, self-hosted Docker + ngrok

[kjooleng]

These may help

WhatsApp Automation

N8N WhatsApp trigger not working(trigger) after inputting proper AppID and App Secret

Hello Achamm, Thanks for responding. We tried that suggestion too, but it didn’t work. We followed the steps in the 1 link below, and we were able to make the trigger work correctly.