Import and Type Errors
Diagnose and fix the most frequent import errors, Pydantic v2 validation failures, and type annotation issues in FastAPI applications.
Async and Blocking Issues
Diagnose and fix event loop blocking, greenlet errors, sync-in-async mistakes, and threading issues in FastAPI async routes.
Database Connection Errors
Diagnose and fix PostgreSQL connection failures, pool exhaustion, SSL errors, and migration issues in FastAPI applications.