Webhooks
Also known as: Webhook
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What is Webhooks?
A webhook is an HTTP callback sent when an event occurs so one system can notify another without polling continuously. This profile connects the concept to KBY's practical engineering guidance.
Reliable consumers authenticate the sender, validate the payload, acknowledge quickly and process idempotently because delivery can be delayed, duplicated or reordered. Retries, signing-key rotation and replay protection are part of the contract.
Deliver event notifications between systems with low integration overhead.
- Event-driven system integration
- CI/CD pipeline triggers
- Real-time notifications
Explore related technologies
Related technologies
3 resources for Webhooks
Browse by purpose, from definitions and learning through operations, diagnostics and controlled recovery.
Learn and operate with Webhooks
Ordered as a reader progression -- from core definitions through to operational reference -- using only the content already connected in the technology registry.
Systems Engineering(2)
Learn the architecture, concepts and engineering context.
- TOCTOU Race Conditions in Admission WebhooksresourceVersion snapshots and subresource rule gaps create a TOCTOU race condition that lets attackers bypass Kubernetes admission webhooks. Open
- Building a Webhook Retry Storm CalculatorHow exponential backoff without jitter synchronises failed webhook retries into a collision spike, and the maths behind a calculator that predicts it. Open
Config Traps(1)
Recognise and avoid known failure modes.