FastAPI Observer

FastAPI Observer provides structured logging building blocks for FastAPI projects.

Current scope

• Typed and validated configuration via ObserverConfig
• Structured event model via LogEvent
• Logger factory with console/file handlers and JSON/text formatting
• Optional in-memory, JSONL, and SQLite event storage
• Minimal dashboard helpers for inspecting captured events

Compatibility

• Python: 3.10 to 3.14
• Test matrix: py310, py311, py312, py313, py314 via tox and GitHub Actions

Quick start

pip install fastapi-inspector

See Installation for development, docs, and test commands.

Documentation

• Quickstart
• Configuration
• Handlers
• Dashboard
• API Reference
• Best Practices
• Migration