LanguageTool API

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 (Premium)
• maximum number of characters per minute: 75,000 (free) / 300,000 (Premium)
• maximum number of characters per request: 20,000 (free) / 60,000 (Premium)
• for the free version, also consider the limitations documented here
• Note: any parameters or outputs not part of this documentation are internal and must not be relied on

Need more generous limits? Just contact us.