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open-telemetry/api
==================

API for OpenTelemetry PHP.

1.9.0(2mo ago)1933.0M—2.2%120Apache-2.0PHPPHP ^8.1

Since Jan 6Pushed 2w ago3 watchersCompare

[ Source](https://github.com/opentelemetry-php/api)[ Packagist](https://packagist.org/packages/open-telemetry/api)[ RSS](/packages/open-telemetry-api/feed)WikiDiscussions main Synced 1mo ago

READMEChangelog (10)Dependencies (6)Versions (52)Used By (20)

[![Releases](https://camo.githubusercontent.com/46e38a504120203bf7615645011bcf2bb834e03e8eb0bc8e0f4864c729fd5baf/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f72656c65617365732d707572706c65)](https://github.com/opentelemetry-php/api/releases)[![Source](https://camo.githubusercontent.com/ac3881498a19cfc3871b3c83ea79e3697e2fd562a017a52a3749781260facf53/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f736f757263652d6170692d677265656e)](https://github.com/open-telemetry/opentelemetry-php/tree/main/src/API)[![Mirror](https://camo.githubusercontent.com/a989210bd544bce2c0af888f768b30024a4722505edef5af1c3f2e1bdb13abec/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f6d6972726f722d6f70656e74656c656d657472792d2d7068703a6170692d626c7565)](https://github.com/opentelemetry-php/api)[![Latest Version](https://camo.githubusercontent.com/58d06d6b0bd39ef620e5abe12c01f8b1bf8eede202dcd684109cba5637212088/687474703a2f2f706f7365722e707567782e6f72672f6f70656e2d74656c656d657472792f6170692f762f756e737461626c65)](https://packagist.org/packages/open-telemetry/api/)[![Stable](https://camo.githubusercontent.com/7c99dec17f4999f5a2363e279b4995a85b9ad953feacd842a710a4ed2502ab2f/687474703a2f2f706f7365722e707567782e6f72672f6f70656e2d74656c656d657472792f6170692f762f737461626c65)](https://packagist.org/packages/open-telemetry/api/)

OpenTelemetry API
=================

[](#opentelemetry-api)

Documentation:

Contributing
------------

[](#contributing)

This repository is a read-only git subtree split. To contribute, please see the main [OpenTelemetry PHP monorepo](https://github.com/open-telemetry/opentelemetry-php).

###  Health Score

68

—

FairBetter than 100% of packages

Maintenance91

Actively maintained with recent releases

Popularity58

Moderate usage in the ecosystem

Community41

Growing community involvement

Maturity72

Established project with proven stability

 Bus Factor1

Top contributor holds 54.1% of commits — single point of failure

How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. Uses a 2-year decay window.

**Popularity (30%)** — Total and monthly downloads, GitHub stars, and forks. Logarithmic scaling prevents top-heavy scores.

**Community (15%)** — Contributors, dependents, forks, watchers, and maintainers. Measures real ecosystem engagement.

**Maturity (30%)** — Project age, version count, PHP version support, and release stability.

###  Release Activity

Cadence

Every ~30 days

Recently: every ~39 days

Total

51

Last Release

82d ago

Major Versions

0.0.17 → 1.0.0beta12022-12-12

1.4.0 → 2.x-dev2025-07-07

PHP version history (2 changes)0.0.5PHP ^7.4 || ^8.0

1.1.0beta1PHP ^8.1

### Community

Maintainers

![](https://avatars.githubusercontent.com/u/4978962?v=4)[Brett McBride](/maintainers/brettmc)[@brettmc](https://github.com/brettmc)

![](https://avatars.githubusercontent.com/u/4099109?v=4)[Bob Strecansky](/maintainers/bobstrecansky)[@bobstrecansky](https://github.com/bobstrecansky)

![](https://www.gravatar.com/avatar/69cffb51399d5672406e66e7abb83f547f0f75755746d1b6144ce4042429c8e1?d=identicon)[otel-php-bot](/maintainers/otel-php-bot)

---

Top Contributors

[![brettmc](https://avatars.githubusercontent.com/u/4978962?v=4)](https://github.com/brettmc "brettmc (66 commits)")[![Nevay](https://avatars.githubusercontent.com/u/22509671?v=4)](https://github.com/Nevay "Nevay (27 commits)")[![tidal](https://avatars.githubusercontent.com/u/57825?v=4)](https://github.com/tidal "tidal (11 commits)")[![Blacksmoke16](https://avatars.githubusercontent.com/u/12136995?v=4)](https://github.com/Blacksmoke16 "Blacksmoke16 (4 commits)")[![kishannsangani](https://avatars.githubusercontent.com/u/93989268?v=4)](https://github.com/kishannsangani "kishannsangani (2 commits)")[![ChrisLightfootWild](https://avatars.githubusercontent.com/u/106102472?v=4)](https://github.com/ChrisLightfootWild "ChrisLightfootWild (2 commits)")[![amber0612](https://avatars.githubusercontent.com/u/30532446?v=4)](https://github.com/amber0612 "amber0612 (2 commits)")[![stickeegreg](https://avatars.githubusercontent.com/u/48593081?v=4)](https://github.com/stickeegreg "stickeegreg (1 commits)")[![yuktea](https://avatars.githubusercontent.com/u/73362292?v=4)](https://github.com/yuktea "yuktea (1 commits)")[![andypost](https://avatars.githubusercontent.com/u/73713?v=4)](https://github.com/andypost "andypost (1 commits)")[![jerrytfleung](https://avatars.githubusercontent.com/u/8791493?v=4)](https://github.com/jerrytfleung "jerrytfleung (1 commits)")[![lalex](https://avatars.githubusercontent.com/u/869741?v=4)](https://github.com/lalex "lalex (1 commits)")[![pieterocp](https://avatars.githubusercontent.com/u/68863060?v=4)](https://github.com/pieterocp "pieterocp (1 commits)")[![SoulofAkuma](https://avatars.githubusercontent.com/u/58139975?v=4)](https://github.com/SoulofAkuma "SoulofAkuma (1 commits)")[![spadger](https://avatars.githubusercontent.com/u/216748?v=4)](https://github.com/spadger "spadger (1 commits)")

---

Tags

apiloggingMetricsapmtracingopentelemetryotel

### Embed Badge

![Health badge](/badges/open-telemetry-api/health.svg)

```
[![Health](https://phpackages.com/badges/open-telemetry-api/health.svg)](https://phpackages.com/packages/open-telemetry-api)
```

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