Package

@opentelemetry/api

Public API for OpenTelemetry

v1.9.1, 25 Mar 2026Apache-2.0ESM + CommonJSTypes: BundledMonitoring and error tracking

$ npm install @opentelemetry/api

npm GitHub Homepage

Key numbers

As of 25 Sept 2026

Weekly downloads: 58.2m; +196% over 12 months
Gzip bundle size: -; No Bundlephobia data
Dependencies: 0; Direct, from package.json
Last release: 6 months ago; v1.9.1
GitHub stars: 3.5k; 1.2k forks
Open issues / PRs: 168 / 60
Contributors: 404
Commits, last 52 weeks: 733

Downloads

Last week 2026-09-15 to 2026-09-21

Weekly npm downloads, one point per week, weeks starting 23 Sept 2025 to 15 Sept 2026. The y axis starts at zero.

58,239,066 downloads last week, 295,238,088 in the last month. The 12-month change of +196% compares the average of the last 4 weeks with the first 4 weeks of the series.

Maintenance

Releases, last 12 months: 143 in total
Latest version: 1.9.1, 25 Mar 20266 months ago
First published: 5 Feb 2020
Last push to GitHub: 24 Sept 2026same day as the snapshot
Repository archived: No
Open issues: 168
Open pull requests: 60
Commits, last 52 weeks: 733
Dependents on npm: 5,013

Major versions

v1 first release 1.0.0, 10 Jun 2021
v0 first release 0.4.0, 5 Feb 2020

Recent releases

Version	Published
1.9.1	25 Mar 2026
1.9.0	5 Jun 2024
1.8.0	29 Feb 2024
1.7.0	7 Nov 2023
1.6.0	12 Sept 2023
1.5.0	11 Sept 2023
1.4.1	13 Mar 2023
1.4.0	11 Jan 2023
1.3.0	9 Nov 2022
1.2.0	18 Aug 2022
1.1.0	27 Jan 2022
1.0.4	22 Dec 2021
1.0.3	31 Aug 2021
1.0.2	29 Jul 2021

Compatibility

Module format: ESM + CommonJSFrom package.json type, main and exports fields
TypeScript types: Bundled
Node.js engine range: >=8.0.0
Runtimes: -
Unpacked size (npm): 978 kB
Dependencies (0): None

Install

npm install @opentelemetry/api

CDN

jsDelivr: 11.4m requests in 30 days

jsDelivrhttps://cdn.jsdelivr.net/npm/@opentelemetry/api@1.9.1/
unpkghttps://unpkg.com/@opentelemetry/api@1.9.1/
esm.shhttps://esm.sh/@opentelemetry/api@1.9.1

Alternatives

Package	Weekly downloads	Gzip	Last release	Module	Comparison
@opentelemetry/instrumentation-xml-http-request OpenTelemetry instrumentation for XMLHttpRequest http client in web browsers	1.6m	-	24 days ago	-	-

Sources: npm registry, npm downloads API, GitHub API, jsDelivr. Data fetched 25 Sept 2026.

Indexability: Indexed.