# @elastic/apm-rum-core

> Elastic apm core

Latest version **5.25.3** (published 2026-06-30) · MIT license · 0 weekly downloads

## Install

```sh
npm install @elastic/apm-rum-core
pnpm add @elastic/apm-rum-core
yarn add @elastic/apm-rum-core
bun add @elastic/apm-rum-core
```

## Health

**Score 55/100 (C)** — status: active.

Positive: esm support; no vulnerabilities; has provenance.

Warnings: low downloads; no types.

## Facts

| | |
|---|---|
| Version | 5.25.3 |
| Published | 2026-06-30 |
| First published | 2019-03-11 |
| Weekly downloads | 0 |
| License | MIT |
| TypeScript types | none |
| Module format | ESM + CommonJS |
| Node | >=8.0.0 |
| Dependencies | 3 |
| Unpacked size | 524.4 KB |
| Known vulnerabilities | 0 |
| Install scripts | no |
| Provenance | attested (GitHub Actions) |
| Maintainers | gtback, ikakavas |

## Links

- npm: https://www.npmjs.com/package/@elastic/apm-rum-core
- Repository: https://github.com/elastic/apm-agent-rum-js
- Homepage: https://github.com/elastic/apm-agent-rum-js#readme
- Issues: https://github.com/elastic/apm-agent-rum-js/issues
- npm.io page: https://npm.io/package/@elastic/apm-rum-core

## Dependencies (3)

- [opentracing](https://npm.io/package/opentracing.md) ^0.14.3
- [promise-polyfill](https://npm.io/package/promise-polyfill.md) ^8.1.3
- [error-stack-parser](https://npm.io/package/error-stack-parser.md) ^1.3.5

## Recent versions

- 5.25.3 (latest) — 2026-06-30
- 5.25.2 — 2026-03-09
- 5.25.1 — 2026-02-20
- 5.25.0 — 2026-02-11
- 5.23.0 — 2025-04-09
- 5.22.1 — 2025-01-10
- 5.22.0 — 2025-01-09
- 5.21.1 — 2024-06-27
- 5.21.0 — 2023-12-27
- 5.20.0 — 2023-09-27
- 5.19.0 — 2023-08-03
- 5.18.0 — 2023-07-18
- 5.17.0 — 2022-06-14
- 5.16.0 — 2022-05-16
- 5.15.0 — 2022-04-20
- … 43 more at https://npm.io/package/@elastic/apm-rum-core/versions

## README

# Elastic APM JavaScript core (for development)

This is the core JavaScript module for Elastic APM. 

**Only use this package if you want to implement an integration for a framework that Elastic APM does not support yet.**

## Documentation
You can find our documentation [on our website](https://www.elastic.co/guide/en/apm/agent/rum-js/current/index.html).

If you are interested in contributing to Elastic APM JavaScript agent, please see [our contributing guide](CONTRIBUTING.md).

We'd love to hear your feedback, please take a minute to fill out our [survey](https://goo.gl/forms/nLCXGCvziqalzjlP2).

## License
This project is [MIT licensed](LICENSE).

<sup><br>Made with ♥️ and ☕️ by Elastic and our community.</sup>

---
_Source: https://npm.io/package/@elastic/apm-rum-core · Machine-readable twin of the npm.io package page. Health data is recomputed on every publish._