freeapis

apilayer languagelayer

Language Detection JSON API supporting 173 languages

Authentication
OAuth
HTTPS
Yes
CORS
Unknown
Documentation / URL
https://languagelayer.com/

Overview

languagelayer (an APILayer product) detects the language of text with confidence scores. Auth is a free API key (an invalid key returns 401 with the APILayer error format — verified).

Quick Start

Identify (replace YOUR_KEY):

curl "https://api.languagelayer.com/identify?access_key=YOUR_KEY&query=hola%20mundo"
{
  "success": true,
  "results": [
    { "language_code": "es", "language_name": "Spanish", "probability": 0.99, "percentage": 100 }
  ]
}

Authentication

  • Register at languagelayer.com → free API key (emailed).
  • Send it as the access_key query parameter (invalid key → 401 + "success": false, verified).

Rate Limits & Notes

  • Free tier: 5,000 requests/month (check the docs); paid plans scale.
  • Results include language_code, language_name, probability, and percentage.
  • Supports 160+ languages.

FAQ

Is languagelayer free? Free tier: 5,000 requests/month; more is paid.

How do I get a key? Register at languagelayer.com — the key is emailed.

What’s the error style? 401 with success: false (APILayer format, verified).

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