apilayer languagelayer

API

JSON API for detecting 173 languages with confidence scores

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Overview

The apilayer languagelayer API provides a RESTful interface for accurate language detection across 173 languages. Its core endpoint (/detect) accepts text input via GET/POST requests and returns structured JSON responses including ISO 639-1/2 codes, confidence scores, and reliability indicators. Ideal use cases include content localization workflows, spam detection (identifying unexpected languages), multilingual app input validation, and analyzing user-generated content to tailor experiences.

Example Integration (JavaScript)

script.js JS 

fetch('https://languagelayer.com/')
  .then(res => res.json())
  .then(data => console.log(data))
  .catch(err => console.error(err));

Key Features

  • RESTful Interface
  • JSON Responses
  • 173 Supported Languages
  • ISO 639-1/2 Codes
  • Confidence Score Metrics

Frequently Asked Questions

? Is apilayer languagelayer free to use?

Yes, it offers a free tier with limited monthly requests; paid plans are available for higher volume and advanced features.

? Does it require an API Key?

Yes, you need to sign up for an API key from apilayer to authenticate and access the API endpoints.

? What is the response format?

All responses are in JSON format, including details like detected language codes, confidence scores, and reliability flags.

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People Also Ask about apilayer languagelayer

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Tool Info

Pricing Freemium
Category Text Analysis
Platform Public API

Pros

  • ⊕ Easy integration with REST/JSON
  • ⊕ Extensive language coverage
  • ⊕ Accurate confidence scoring
  • ⊕ Flexible freemium pricing

Cons

  • ⊖ Rate-limited free tier
  • ⊖ Requires API key authentication
  • ⊖ No XML response support

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