Common WhatsApp connection errors
Quick checks for token, sender, template, webhook, media, and permission errors.
Common reasons
- Token expired or wrong Meta app/token context.
- Webhook URL not verified.
- Twilio Account SID/Auth Token incorrect.
- Template still pending or rejected.
- Phone number quality or display name issue.
- Media upload or file access error.
First fix to try
Test one inbound message and one simple outbound text. Then test template and media separately so the exact failure point is clear.