Language Detection API — 100+ Languages with Confidence Score

Language detection is essential for any app handling user-generated content — routing, filtering, analytics, personalization.

Language Detector Pro identifies the language of any text and returns an ISO 639-1 code with confidence score.

What you get

• 100+ languages supported
• Confidence score 0-1
• ISO 639-1 code + full language name
• Works on short texts: tweets, reviews, chat messages
• Batch: up to 100 texts per request

Quick start

Python

import requests

url = "https://language-detector-pro.p.rapidapi.com/detect"
headers = {"X-RapidAPI-Key": "YOUR_KEY", "Content-Type": "application/json"}

r = requests.post(url, json={"text": "Bonjour, comment allez-vous?"}, headers=headers)
print(r.json())
# {"detected_language": "fr", "language_name": "French", "confidence": 0.98}

cURL

curl -X POST https://language-detector-pro.p.rapidapi.com/detect \
  -H "X-RapidAPI-Key: YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d "{"text": "Hola mundo"}"

Batch

payload = {"texts": ["Hello world", "Привет мир", "Hola mundo"]}
r = requests.post(".../batch", json=payload, headers=headers)

Use cases

• Support ticket routing to language-specific teams
• Content moderation by language
• E-commerce localization
• Chatbot language switching

Pricing

Plan	Price	Rate limit
BASIC	Free	50 req/hr
PRO	$9.99/mo	1000 req/hr
ULTRA	$24.99/mo	8000 req/hr

Try it free: https://rapidapi.com/adunaev8419/api/language-detector-pro