add webhooks for event notifications #533
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Add webhooks infrastructure to let *Brainz projects subscribe to events like user creation, verification, and deletion etc. The implementation includes reliable delivery logic, rate limits and circuit breaker for fault tolerance. The `webhook_delivery` table provides a complete audit trail of all webhooks delivered, failed or pending. celery is used for background task processing. To verify that the authenticity of the payloads, the webhook recipient should generate the HMAC-SHA256 signature of the payload with the key generated at time of webhook creation and compare it with the value of `X-MetaBrainz-Signature-256` header.
mayhem
approved these changes
Nov 4, 2025
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Add webhooks infrastructure to let *Brainz projects subscribe to events like user creation, verification, and deletion etc. The implementation includes reliable delivery logic, rate limits and circuit breaker for fault tolerance. The
webhook_deliverytable provides a complete audit trail of all webhooks delivered, failed or pending. celery is used for background task processing.To verify that the authenticity of the payloads, the webhook recipient should generate the HMAC-SHA256 signature of the payload with the key generated at time of webhook creation and compare it with the value of
X-MetaBrainz-Signature-256header.