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Webhook Not Receiving Events from Supabase
Webhook endpoint configured in Supabase but never receives events. Database changes occur but webhook isn't triggered. Endpoint appears to work when tested but events don't arrive.
Webhooks require proper table configuration, filter setup, and endpoint accessibility. Events must be published and delivered correctly.
Error Messages You Might See
Webhook request failed
Endpoint returned 500
Connection refused
Request timeout
Common Causes
- Webhook target table doesn't have events enabled
- Webhook endpoint returns non-200 status code
- Webhook URL is incorrect or endpoint unreachable
- Webhook filter conditions don't match events
- Events parameter not selected in Supabase dashboard
How to Fix It
In Supabase dashboard > Database > Webhooks, verify:
1. Target table is selected
2. 'Insert', 'Update', 'Delete' events checked as needed
3. Webhook endpoint URL is correct and publicly accessible
4. Endpoint returns 200 OK status
5. No authentication required on webhook URL (or auth properly configured)
View webhook logs in Supabase dashboard to see delivery status.
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Get HelpFrequently Asked Questions
How do I test webhook?
Use Supabase dashboard webhook test button or manually trigger database change. Check endpoint logs for delivery.
Can I filter webhook events?
Yes, set filter conditions like column=value. Only events matching filter trigger webhook.