FusionAuth Webhooks When to Use This Skill - Setting up FusionAuth webhook handlers - Debugging JWT signature verification failures - Understanding FusionAuth event types and payloads - Handling user, login, registration, or group events Essential Code (USE THIS) FusionAuth Signature Verification (JavaScript) FusionAuth signs webhooks with a JWT in the header. The JWT contains a claim with the SHA-256 hash of the request body. Express Webhook Handler Python (FastAPI) Webhook Handler For complete working examples with tests , see: - examples/express/ - Full Express implementation - examples/ne…