{"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://inquir.org/#organization","name":"Inquir","url":"https://inquir.org","logo":{"@type":"ImageObject","url":"https://inquir.org/favicon.png","width":256,"height":256}},{"@type":"WebSite","@id":"https://inquir.org/#website","name":"Inquir Compute","url":"https://inquir.org","inLanguage":["en","ru"],"publisher":{"@id":"https://inquir.org/#organization"}},{"@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":"Webhook processors guide: raw-body signature verification, fast ACK, idempotency keys for duplicate deliveries, async pipelines for slow work, and traces when providers retry.","inLanguage":"en-US","isPartOf":{"@id":"https://inquir.org/#website"},"breadcrumb":{"@id":"https://inquir.org/use-cases/webhook-processors#breadcrumb"},"author":{"@id":"https://inquir.org/#organization"},"datePublished":"2025-11-01T00:00:00.000Z","dateModified":"2026-06-23T00:00:00.000Z","citation":{"@type":"CreativeWork","url":"https://inquir.org/docs"}},{"@type":"BreadcrumbList","@id":"https://inquir.org/use-cases/webhook-processors#breadcrumb","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":"Webhook processors guide: raw-body signature verification, fast ACK, idempotency keys for duplicate deliveries, async pipelines for slow work, and traces when providers retry.","inLanguage":"en-US","author":{"@id":"https://inquir.org/#organization"},"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."}}]}]}