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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.
Real developers can help you.
Matt Butler
Software Engineer @ AWS
Nam Tran
10 years as fullstack developer
Matthew Butler
Systems Development Engineer @ Amazon Web Services
Franck Plazanet
I am a Strategic Engineering Leader with over 8 years of experience building high-availability enterprise systems and scaling high-performing technical teams. My focus is on bridging the gap between complex technology and business growth.
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Senior PHP/Symfony developer and DevOps engineer with 20+ years of professional experience, running opcode.pl (web development agency, est. 2004).
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Tech stack: PHP 8.x, Symfony, React, Next.js, PostgreSQL, MySQL, Docker, AWS (ECS, RDS, S3, SQS/SNS, CloudFront), Terraform, Supabase. I also use AI tools daily (Claude Code, Cursor) in my own workflow, so I understand both the strengths and the gaps in AI-generated code.
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Experienced Professional Full stack Developer with 8+ years of experience across react, python, js, ts, golang and react-native. Developed inhouse websearch tooling for AI before websearch was solved : )
Basel Issmail
’m a Senior Full-Stack Developer and Tech Lead with experience designing and building scalable web platforms. I work across the full development lifecycle, from translating business requirements into technical architecture to delivering reliable production systems.
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ISHANTDEEP SINGH
Senior Software Engineer with 7+ years of experience in React, JavaScript, TypeScript, Next.js, and Node.js. I’ve also worked as a tech lead for startups, owning end-to-end technical execution including architecture, development, scaling, and delivery. I bring a strong mix of hands-on coding, product thinking, and technical leadership, and I’m comfortable building products from scratch as well as improving and scaling existing systems.
BurnHavoc
Been around fixing other peoples code for 20 years.
Simon A.
I'm a backend developer building APIs, emulators, and interactive game systems. Professionally, I've developed Java/Spring reporting solutions, managed relational and NoSQL databases, and implemented CI/CD workflows.
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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.