{"@context":"https://schema.org","@graph":[{"@type":"WebPage","@id":"https://inquir.org/use-cases/webhook-processors#webpage","url":"https://inquir.org/use-cases/webhook-processors","name":"Serverless webhook processors for APIs and providers","headline":"Serverless webhook processors for APIs and providers","description":"Serverless webhook processors: signature verification on raw bodies, ack fast inside provider timeouts, async handoff to jobs or pipelines, idempotency keys for duplicates, and traces when provider timeouts force retries.","inLanguage":"en-US","isPartOf":{"@id":"https://inquir.org/#website"},"author":{"@type":"Organization","name":"Inquir"},"datePublished":"2025-01-01T00:00:00.000Z","dateModified":"2026-04-20T00:00:00.000Z","citation":"https://inquir.org/docs"},{"@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://inquir.org"},{"@type":"ListItem","position":2,"name":"Use cases","item":"https://inquir.org/use-cases"},{"@type":"ListItem","position":3,"name":"Serverless webhook processors","item":"https://inquir.org/use-cases/webhook-processors"}]},{"@type":"HowTo","@id":"https://inquir.org/use-cases/webhook-processors#howto","name":"Serverless webhook processors for APIs and providers","description":"Serverless webhook processors: signature verification on raw bodies, ack fast inside provider timeouts, async handoff to jobs or pipelines, idempotency keys for duplicates, and traces when provider timeouts force retries.","inLanguage":"en-US","author":{"@type":"Organization","name":"Inquir"},"step":[{"@type":"HowToStep","position":1,"name":"Verify raw request + dedupe event ID","text":"Reject bad signatures and block duplicates before mutating state."},{"@type":"HowToStep","position":2,"name":"Return success inside timeout window","text":"Acknowledge quickly so providers do not retry unnecessarily."},{"@type":"HowToStep","position":3,"name":"Enqueue heavy work + apply idempotent writes","text":"Continue asynchronously and keep side effects replay-safe."}],"isPartOf":{"@id":"https://inquir.org/use-cases/webhook-processors#webpage"}},{"@type":"FAQPage","@id":"https://inquir.org/use-cases/webhook-processors#faq","url":"https://inquir.org/use-cases/webhook-processors","isPartOf":{"@id":"https://inquir.org/use-cases/webhook-processors#webpage"},"mainEntity":[{"@type":"Question","name":"Why must the raw body stay untouched for HMAC verification?","acceptedAnswer":{"@type":"Answer","text":"Providers sign exact bytes; JSON re-serialization or charset changes alter the payload and cause false “invalid signature” failures."}},{"@type":"Question","name":"Should webhooks do heavy work before returning 200?","acceptedAnswer":{"@type":"Answer","text":"No—acknowledge within provider timeouts, then continue in a pipeline or background function so retries do not duplicate expensive side effects."}},{"@type":"Question","name":"How do I handle duplicate webhook deliveries?","acceptedAnswer":{"@type":"Answer","text":"Treat provider event IDs as idempotency keys: persist “seen” before mutating data so at-least-once delivery stays safe."}}]}]}