LanguageTool API

ai:languagetool · languagetool.org ↗

Live

Check texts for style and grammar issues with LanguageTool . Please consider the following default limitations: your daily request limit depending on your plan maximum number of requests per minute: 20 (free) / 80…

5 endpoints5 live0 callsBulk supported

About the LanguageTool API API

LanguageTool API API on Apizie: 5 endpoints (Check a text, Get a list of supported languages., List words in dictionaries, Add word to a dictionary, …) returned as clean JSON through one API key. 5 endpoints are live now. Call it over REST at https://zieapi.vercel.app/v1/ai:languagetool/{endpoint} or from Claude, ChatGPT and Cursor through the Apizie MCP server. Free plan: 1,000 requests a month.

Project keyai:languagetool
StatusLive
Endpoints5
CategoryArtificial Intelligence
Sourcelanguagetool.org
Base URLhttps://zieapi.vercel.app/v1/ai:languagetool/{endpoint}
For AI toolsOpenAPI spec · Markdown (what is this?)

LanguageTool API API FAQ

How do I call the LanguageTool API API?

Create a free Apizie key, then send POST https://zieapi.vercel.app/v1/ai:languagetool/post-check with the header x-api-key. Every endpoint returns { project, data, timestamp }.

Is the LanguageTool API API free on Apizie?

Yes. The Free plan includes 1,000 requests a month at 100 requests a minute, no credit card.

Can AI agents use the LanguageTool API API?

Yes. Add the Apizie MCP server (https://zieapi.vercel.app/mcp) to Claude, ChatGPT, Cursor or VS Code, then ask in plain language. The agent calls run_scraper with project key ai:languagetool.

What is the status of the LanguageTool API API?

Live: works with just an Apizie key

Use LanguageTool API from MCP

Add Apizie to your agent once, then ask for “LanguageTool API”: the agent calls run_scraper with ai:languagetool.

claude mcp add --transport http apizie https://zieapi.vercel.app/mcp \
  --header "x-api-key: apz_••••••••"