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Grammar Spell Check API

A powerful multilingual API for spelling grammar conjugation correction and stylistic enhancement Instantly improve your texts in many languages

Artificial Intelligence
Business Software
Messaging Communication
...

By R B

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Grammar Corrector & Text Enhancer API

Grammar & Spell Check API is a robust and scalable REST API designed to help developers, businesses, and content creators automatically correct spelling, grammar, conjugation, and stylistic issues in texts across a wide range of languages. Whether you need to proofread emails, articles, user-generated content, or any other text, Grammar & Spell Check API delivers fast, accurate, and context-aware corrections and enhancements.

Key Features

  • Multilingual Support: Corrects and enhances texts in English, French, Spanish, German, Italian, Portuguese, Dutch, Russian, Chinese, Japanese, Korean, Arabic, Turkish, and more.
  • Comprehensive Corrections: Handles spelling, grammar, conjugation, and stylistic improvements.
  • Automatic Language Detection: Optionally auto-detects the language of the input text.
  • Structured Output: Returns both a corrected and an enhanced version of your text in a clear JSON format.
  • Easy Integration: Simple RESTful endpoint, ready for integration into any application or workflow.
  • Secure & Scalable: Built with modern technologies and best practices for reliability and performance.

Example Usage

Send a POST request to /spellcheck with your text and language code:

{
  "content": "Your text to correct.",
  "lang": "en" // or "auto detect"
}

Response:

{
  "corrected": "Corrected version of your text.",
  "enhanced": "Enhanced version of your text."
}

Supported Languages

  • English (en, en-US, en-UK, ...)
  • French (fr, fr-FR, ...)
  • Spanish, German, Italian, Portuguese, Dutch, Russian, Chinese, Japanese, Korean, Arabic, Turkish, and more.

Getting Started

  1. Integrate the API into your application using your preferred HTTP client.
  2. Enjoy fast, accurate, and multilingual text correction and enhancement!

Grammar & Spell Check API – The ultimate solution for automated, multilingual text correction and enhancement. Perfect for SaaS, content platforms, and productivity tools.

FeatureAPYFLUXRapidAPIApiLayer
Real-time updates✅ Yes❌ No✅ Limited
Uptime & reliability99.98%98%99.5%
Data accuracy✅ 97%+ verified❌ Unverified sources✅ Somewhat accurate
Response time⚡ 120ms🐢 350ms⚡ 200ms
Cost-efficiency✅ Affordable❌ Expensive❌ High pricing
Scalability✅ Handles 10M+ req/month❌ Limited usage✅ Medium-scale
Ease of integration✅ 1-line code❌ Complex setup✅ Moderate
Free tier available?✅ Yes❌ No free tier✅ Limited free calls
Security compliance✅ GDPR, ISO certified❌ Not certified✅ Partial compliance
Support & SLA✅ 24/7 Support, 99.9% SLA❌ Email-only✅ Limited support
Customization✅ Flexible❌ Fixed structure✅ Some flexibility
Updates & maintenance✅ Automatic❌ Manual effort✅ Delayed updates
Historical data access✅ Yes, past 5 years❌ No✅ Limited

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