Building a Replay-Safe Webhook Event Gateway

Short summary

FastHook is a webhook event gateway that separates inbound requests from outbound events, enabling replay-safe delivery with per-event retry, bulk operations, and audit trails. It provides observable routing, transformation execution tracking, and count APIs for estimating impact before bulk retries. The architecture supports filtering, deduplication, and explicit routing rules for production webhook infrastructure.

• •Separates inbound requests from outbound events for cleaner debugging and replay logic
• •Supports dual-level replay (request and event level) plus bulk operations filtered by time, status, and source
• •Provides observability through count APIs, transformation audit trails, and explicit routing rules

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