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npm data API

Weekly npm downloads for any package, with raw counts.

Developer1 data setCatalog 3 Nov 2026

Downloads are adoption you can count. Compare libraries, watch a release land, or check whether a framework is growing or just loud.

What you can pull from npm

Keyword history

Package downloads as a 0–100 index, plus raw downloads.

Tools
get_time_series get_growth
Updated
Weekly
Keyword
Exact npmjs.com package name, case-sensitive. Right: 'react', '@babel/core'. Wrong: 'React', 'React.js'.
# get_time_series
{
  "keyword": "langchain",
  "source": "npm"
}

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Pull npm data in a minute

No card. 100 requests every month. REST and MCP on one key.