Detect Language

Detect the language of text

Identify the language of text with confidence scores. Useful for routing multilingual content or determining if translation is needed.

Endpoint

POST /translate/v1/detect

cURL

curl -X POST https://api.case.dev/translate/v1/detect \
  -H "Authorization: Bearer sk_case_YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "q": "Bonjour, comment allez-vous?"
  }'

Response

{
  "data": {
    "detections": [
      [
        {
          "language": "fr",
          "confidence": 0.98,
          "isReliable": true
        }
      ]
    ]
  }
}

Parameters

Parameter	Type	Required	Description
q	string or string[]	Yes	Text to detect language for. Can be a single string or array for batch detection.

Response

The response contains an array of detections. Each detection includes:

Field	Type	Description
language	string	Detected language code (ISO 639-1)
confidence	number	Confidence score from 0 to 1
isReliable	boolean	Whether the detection is considered reliable

Batch detection

Detect languages for multiple texts in a single request:

CLI

casedev translate:v1 detect --q "Bonjour, comment allez-vous?"

Examples

Route content by language

CLI

# Detect the language
casedev translate:v1 detect --q "Your text here"

# Then translate if needed
casedev translate:v1 translate --q "Your text here" --target en --source fr

Filter by language confidence

CLI

casedev translate:v1 detect --q "Text to check confidence for"

Identify mixed-language documents

CLI

# Detect each paragraph separately
casedev translate:v1 detect --q "First paragraph text"
casedev translate:v1 detect --q "Second paragraph text"

Pricing: $0.05 per 1,000 characters, same as translation.