--- canonical: "https://www.softatlas.io/languagetool/products/proofreading-api" name: "Proofreading API" provider: "LanguageTool" category: "Developer & Engineering / API Management / API Development & Testing" review_count: 0 ai_powered: true website: "https://languagetool.org/proofreading-api" updated: "2026-10-05" --- # Proofreading API By [LanguageTool](/languagetool.md) The Proofreading API allows developers to integrate LanguageTool's grammar and style checking capabilities into their own applications, providing real-time error detection and correction. ## Features - Integrate grammar checking into applications - Detect and correct style errors in real-time - Support over 30 languages - Return structured JSON data - Disable specific grammar or style rules - Ensure GDPR compliance - Utilize a personal dictionary - Handle up to 60,000 characters per request ## Built for DEVELOPERS Source: https://www.softatlas.io/languagetool/products/proofreading-api