# LimitFacts developer docs

> REST API and MCP server for dev-tool plan prices and limits. Each value has its official source URL and the time we read it. Every response has a disclosure field.

Disclosure: LimitFacts is independent. It has not joined any affiliate program yet. Later, its website may carry affiliate links that earn a commission. This page contains no affiliate links. official_url is the vendor's own link.

Humans and AI agents get the same content.

## Docs

- [Overview](https://limitfacts.dev/): what the API and MCP server return (TEMPLATE, page not written yet)
- [Editorial policy](https://limitfacts.com/editorial-policy/): how LimitFacts collects and dates data (Publisher GEO page on limitfacts.com)
- [Affiliate disclosure](https://limitfacts.com/affiliate-disclosure/)
- [Privacy note: LimitFacts API and MCP server](https://limitfacts.dev/privacy/)

## Endpoints

- REST API base: https://api.limitfacts.dev/v1 (live)
- Remote MCP (Streamable HTTP): https://mcp.limitfacts.dev/mcp (live)
- Local MCP: npx -y limitfacts-mcp (not published yet)
- Free. No API key needed. Limit: 60 requests per 60 seconds per client. A client is a keyed hash (HMAC-SHA256) of the caller's IP address. The limit counts GET requests to REST routes and MCP tool calls together.

## Licence

Data: CC BY 4.0, from the operator of LimitFacts (limitfacts.com). CC BY 4.0 applies only to our selection, arrangement and own words. The facts themselves are free. This licence does not cover vendor facts (prices, limits, plan names and other facts from vendor pages), vendor names and marks, quoted vendor text, or any other third-party content. These are not ours to license, and we claim no rights in them. Vendor facts stay free to read and use, with or without this licence. Code: MIT.

## Optional

- [Main site](https://limitfacts.com/)
- [Sitemap](https://limitfacts.dev/sitemap.xml)