# LanguageTool API

**Provider:** LanguageTool
**Category:** ai
**Base URL:** `https://api.languagetoolplus.com/v2`
**Auth:** none — `# No auth required`
**Rate Limit:** See documentation
**Free Tier:** Yes — available
**Pricing:** Enterprise / contact sales (subscription)
**Docs:** https://api.languagetoolplus.com/v2

## Description

Check texts for style and grammar issues with <a href='https://languagetool.org'>LanguageTool</a>. Please consider the following default limitations:<ul><li>your daily request limit depending on <a href='https://languagetool.org/editor/settings/access-tokens'>your plan</a> <li>maximum number of requ

## Endpoints

| Method | Endpoint | Description |
|--------|----------|-------------|
| POST | `https://api.languagetoolplus.com/v2/check` | Check a text |
| GET | `https://api.languagetoolplus.com/v2/languages` | Get a list of supported languages. |
| GET | `https://api.languagetoolplus.com/v2/words` | List words in dictionaries |
| POST | `https://api.languagetoolplus.com/v2/words/add` | Add word to a dictionary |
| POST | `https://api.languagetoolplus.com/v2/words/delete` | Remove word from a dictionary |

## Authentication

No authentication required

```
# No auth required
```

## Sample Request

```bash
curl -X GET 'https://api.languagetoolplus.com/v2/check' \
  -H '# No auth required'
```

## Sample Response

```json
{}
```

## Pricing Details

Free — open public API, no authentication required.

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*Source: [API Map](https://apimap.dev/apis/languagetool/) — CC BY 4.0*