A powerful multilingual API for spelling grammar conjugation correction and stylistic enhancement Instantly improve your texts in many languages
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.
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."
}
Grammar & Spell Check API – The ultimate solution for automated, multilingual text correction and enhancement. Perfect for SaaS, content platforms, and productivity tools.
| Feature | APYFLUX | RapidAPI | ApiLayer |
|---|---|---|---|
| Real-time updates | ✅ Yes | ❌ No | ✅ Limited |
| Uptime & reliability | 99.98% | 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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