opentelemetry-instrumentation-starlette
OpenTelemetry Starlette Instrumentation
Decision gist · record as of 2026-08-14
Yes, if you are already using OpenTelemetry in your stack and need Starlette tracing. The package is actively maintained, has no known vulnerabilities, low install friction, and a permissive license. It is currently in beta (0.65b0), so expect the API to remain stable but verify compatibility with your specific Starlette and OpenTelemetry versions before production use.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires Python 3.10 or later; requires a configured OpenTelemetry tracer provider to export spans.
- Low friction install with five OpenTelemetry runtime dependencies.
- Actively maintained with a recent release (29 days old) and continuous repository activity.
License · maintenance · safety
Apache-2.0 (permissive) — Apache-2.0 permissive license allows use in most commercial and open-source projects without significant restrictions.
last release 2026-07-16 (29 days) · last repo commit 2026-08-14 · 1,086 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 5,954,626 downloads/mo, #2,003 on PyPI
Alternatives
Verify before relying
pip install opentelemetry-instrumentation-starlette
from opentelemetry.instrumentation.starlette import StarletteInstrumentor
from starlette.applications import Starlette
app = Starlette()
StarletteInstrumentor().instrument_app(app)- Whether auto-instrumentation via opentelemetry-instrumentation entry points works out of the box without manual configuration.
- What telemetry attributes (span names, tags, status codes) are captured by default.
- Compatibility with specific Starlette versions and whether there are known breaking changes.
What it is and what it does
This package integrates Starlette web applications with OpenTelemetry's distributed tracing system. It automatically instruments HTTP requests handled by Starlette, capturing request/response details and propagating trace context across service boundaries. The instrumentation works both as a manual middleware attachment and through OpenTelemetry's auto-instrumentation discovery mechanism.
It depends on the core OpenTelemetry API and instrumentation framework, plus ASGI instrumentation (since Starlette is an ASGI framework) and semantic conventions for standardized span attributes. Use it when you need observability into Starlette application behavior—request latency, error rates, and distributed trace correlation—without writing tracing code directly into your handlers.
Use it for
- Trace HTTP requests in a Starlette microservice to correlate with traces from downstream services.
- Monitor request latency and error rates in production Starlette applications via OpenTelemetry exporters.
- Debug slow endpoints by examining detailed span data captured automatically by the instrumentation.
- Propagate trace IDs across service boundaries in a distributed system using standard OpenTelemetry headers.
- Enable observability in Starlette apps without modifying application code via auto-instrumentation.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you are already using OpenTelemetry in your stack and need Starlette tracing.
The package is actively maintained, has no known vulnerabilities, low install friction, and a permissive license. It is currently in beta (0.65b0), so expect the API to remain stable but verify compatibility with your specific Starlette and OpenTelemetry versions before production use.
Install
opentelemetry-instrumentation-starlette on PyPI
Before you install
Low friction install with five OpenTelemetry runtime dependencies. Actively maintained with a recent release (29 days old) and continuous repository activity.
Requires Python 3.10 or later; requires a configured OpenTelemetry tracer provider to export spans.
License in practice
Apache-2.0 permissive license allows use in most commercial and open-source projects without significant restrictions.
Quickstart
pip install opentelemetry-instrumentation-starlette
from opentelemetry.instrumentation.starlette import StarletteInstrumentor
from starlette.applications import Starlette
app = Starlette()
StarletteInstrumentor().instrument_app(app)Verify before relying
- Whether auto-instrumentation via opentelemetry-instrumentation entry points works out of the box without manual configuration.
- What telemetry attributes (span names, tags, status codes) are captured by default.
- Compatibility with specific Starlette versions and whether there are known breaking changes.
Package facts
| License | Apache-2.0 permissive |
| Python support | Supports the current Python release >=3.10 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 5 packagesopentelemetry-apiopentelemetry-instrumentation-asgiopentelemetry-instrumentationopentelemetry-semantic-conventionsopentelemetry-util-http |
| Maintenance | Actively maintained 29 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 5,954,626 / month, #2,003 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Development Status :: 4 - BetaIntended Audience :: DevelopersLicense :: OSI Approved :: Apache Software LicenseProgramming Language :: PythonProgramming Language :: Python :: 3Programming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.13Programming Language :: Python :: 3.14 |
Evidence: opentelemetry_instrumentation_starlette-0.65b0-py3-none-any.whl
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See also opentelemetry-instrumentation-asgi · opentelemetry-instrumentation-fastapi · opentelemetry-instrumentation-aiohttp-server · opentelemetry-util-http · opentelemetry-instrumentation-django · opentelemetry-instrumentation-flask · opentelemetry-instrumentation-elasticsearch · opentelemetry-instrumentation-openai-agents-v2 · opentelemetry-instrumentation-agno · starlette-testclient