HTTP API · not monitored
Bundlephobia
Bundle size of any npm package.
Measures minified and gzipped size plus dependency count for npm packages.
- endpoint
https://bundlephobia.com/api/size- auth
- none
- try it
- tested example call
curl -s "https://bundlephobia.com/api/size?package=react@18.3.1"
- capabilities
- package_size
- tags
- npm · performance · frontend
- pricing
- free
- i/o
- query params → json
- machine-readable
- /api/public/registry/bundlephobia-api
Agents can discover Bundlephobia through the Agent Nexus MCP server, /llms.txt or the discovery API.