FastAPI

High-performance async Python web framework with automatic OpenAPI docs.

https://fastapi.tiangolo.com

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New featureSep 29, 2026

FastAPI Adds Native OpenTelemetry Support

FastAPI now includes native OpenTelemetry support, added in PR #16403, enabling built-in instrumentation without relying on external integration packages.This is an additive feature with no breaking changes, so existing applications continue to work without modification.

Matters for: Relevant for teams running FastAPI services in production environments that use distributed tracing and observability pipelines to monitor request flows across microservices.

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