OpenAI Webhooks When to Use This Skill - Setting up OpenAI webhook handlers for async operations - Debugging signature verification failures - Handling fine-tuning job completion events - Processing batch API completion notifications - Handling realtime API incoming calls Essential Code (USE THIS) Express Webhook Handler Python (FastAPI) Webhook Handler For complete working examples with tests , see: - examples/express/ - Full Express implementation - examples/nextjs/ - Next.js App Router implementation - examples/fastapi/ - Python FastAPI implementation Common Event Types | Event | Descripti…