SlingHookDeveloper ToolsAPI TestingTesting & QA Toolsfulcrum-software-zaAlicenseAqualityBmaintenanceLets AI coding agents list captured webhooks, explain why a signature failed, replay events to localhost and generate handler code. Works with Stripe, GitHub, Shopify, Slack and Twilio. Updated 2 days ago (2026-11-10 18:03 UTC)11500 npmMIT