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LanguageTool API
Grammar checking API.
| Category | Dictionaries & Language Data |
|---|---|
| Authentication | No auth |
| Pricing | Free tier |
| Website | https://languagetool.org/http-api/ |
| Docs | https://languagetool.org/http-api/ |
| Last checked | 2026-10-14 |
| As JSON | /api/v1/directory/languagetool-api.json |
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