How do I get an API key for Grammar checker & sentence corrector — 100+ languages?

Subscribe to the free plan on the marketplace listing. The key appears immediately and works in the browser playground before you write any code.

How many endpoints does Grammar checker & sentence corrector — 100+ languages have?

Grammar checker & sentence corrector — 100+ languages publishes 1 endpoints. Each one is listed above with its method, path and purpose.

Grammar checker & sentence corrector — 100+ languages

Multilingual grammar correction that returns the corrected sentence, not just flags.

Get the API key Similar APIs How to get a free Productivity & writing API key

Category: Productivity & writing
Endpoints: 1
Updated: 2025-10-09

Overview

The API corrects grammar and sentence structure in over 100 languages and returns the fixed text rather than a list of complaints.

Writing tools, CMS platforms and language products use it as the correction layer for user-generated text.

Endpoints

Endpoints published by Grammar checker & sentence corrector — 100+ languages, with method, path and purpose
Method	Path	What it does
POST	`{\n \`	Check Text

Example response

{
    "result": {
        "errors": [
            {
                "type": "spelling",
                "text": "grammer",
                "suggestion": "grammar",
                "explanation": "The correct spelling is 'grammar', which refers to the rules that govern the structure of sentences.",
                "severity": "high",
                "position": {
                    "start": 28,
                    "end": 34
                }
            },
            {
                "type": "spelling",
                "text": "speling",
                "suggestion": "spelling",
                "explanation": "The correct spelling is 'spelling', which pertains to the formation of words with the correct letters.",
                "severity": "high",
                "position": {
                    "start": 39,
                    "end": 46
                }
            },
            {
                "type": "grammar",
                "text": "Its",
                "suggestion": "It's",
                "explanation": "The contraction 'It's' is required here, which stands for 'It is' or 'It has'.",
                "severity": "medium",
                "position": {
                    "start": 47,
                    "end": 50
                }
            }
        ],
        "statistics": {
            "totalErrors": 3,
            "grammarErrors": 1,
            "spellingErrors": 2,
            "styleIssues": 0,
            "errorDensity": 30
        },
        "overallScore": 70,
        "readabilityMetrics": {
            "fleschKincaid": 75,
            "averageSentenceLength": 9,
            "complexWords": 10
        }
    },
    "cacheTime": 1733416645687,
    "status": "success"
}

Frequently asked questions

Is Grammar checker & sentence corrector — 100+ languages free?: Grammar checker & sentence corrector — 100+ languages has a Basic plan that costs $0 per month and needs no card. Paid plans exist for higher volume and are listed above.
How do I get an API key for Grammar checker & sentence corrector — 100+ languages?: Subscribe to the free plan on the marketplace listing. The key appears immediately and works in the browser playground before you write any code.
How many endpoints does Grammar checker & sentence corrector — 100+ languages have?: Grammar checker & sentence corrector — 100+ languages publishes 1 endpoints. Each one is listed above with its method, path and purpose.