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GET
/
stt
/
languages
curl https://api.60db.ai/stt/languages \
  -H "Authorization: Bearer your-api-key"

{
  "success": true,
  "message": "Languages retrieved successfully",
  "data": {
    "languages": [
      { "code": "auto", "name": "Auto-detect", "native": "Auto", "code_switching": false },
      { "code": "en",   "name": "English",    "native": "English",    "code_switching": false,  "wer_target": 0.08 },
      { "code": "hi",   "name": "Hindi",      "native": "Hindi",      "code_switching": ["en"], "wer_target": 0.28 },
      { "code": "ar",   "name": "Arabic (MSA)", "native": "Arabic (MSA)", "code_switching": false, "wer_target": 0.20 },
      { "code": "bn",   "name": "Bengali",    "native": "Bengali",    "code_switching": ["en"], "wer_target": 0.25 },
      { "code": "fr",   "name": "French",     "native": "French",     "code_switching": false,  "wer_target": 0.12 }
    ],
    "total": 40,
    "features": {
      "word_timestamps": true,
      "speaker_diarization": true,
      "srt_export": true,
      "vtt_export": true,
      "confidence_scoring": true,
      "code_switching_indic_english": [
        "hi+en", "bn+en", "mr+en", "pa+en", "gu+en", "or+en",
        "as+en", "ne+en", "te+en", "kn+en", "ta+en", "ml+en"
      ],
      "multi_language_per_request": true,
      "max_languages_per_request": 5,
      "auto_language_detection": true,
      "websocket_streaming": true,
      "telephony_mulaw": true,
      "continuous_mode": true
    }
  }
}

​
Request

​
Headers

​
Authorization
string
required
Bearer token with your API key

​
Response

​
success
boolean
Always true on 200 responses
​
message
string
Status message ("Languages retrieved successfully")
​
data
object
Language catalog envelope
​
data.languages
array
Ordered list of supported languages. The first entry is always auto, representing auto-detect. Use the code value when submitting /stt requests.
​
data.languages[].code
string
ISO 639-1 language code, or "auto" for the auto-detect entry
​
data.languages[].name
string
Human-readable language name (e.g. "English", "Hindi", "Arabic (MSA)")
​
data.languages[].native
string
Same as name for compatibility with clients that read the native key
​
data.languages[].code_switching
boolean | array
false for European languages, or an array like ["en"] for Indic languages that support inline code-switching with the listed language(s)
​
data.languages[].wer_target
number
Target word error rate for this language at normal audio quality. Omitted for auto.
​
data.total
number
Total number of language entries (including the auto option)
​
data.features
object
Backend feature flags (e.g. word_timestamps, speaker_diarization, srt_export, vtt_export, code_switching_indic_english, multi_language_per_request, max_languages_per_request, auto_language_detection, websocket_streaming, telephony_mulaw, continuous_mode)
curl https://api.60db.ai/stt/languages \
  -H "Authorization: Bearer your-api-key"

{
  "success": true,
  "message": "Languages retrieved successfully",
  "data": {
    "languages": [
      { "code": "auto", "name": "Auto-detect", "native": "Auto", "code_switching": false },
      { "code": "en",   "name": "English",    "native": "English",    "code_switching": false,  "wer_target": 0.08 },
      { "code": "hi",   "name": "Hindi",      "native": "Hindi",      "code_switching": ["en"], "wer_target": 0.28 },
      { "code": "ar",   "name": "Arabic (MSA)", "native": "Arabic (MSA)", "code_switching": false, "wer_target": 0.20 },
      { "code": "bn",   "name": "Bengali",    "native": "Bengali",    "code_switching": ["en"], "wer_target": 0.25 },
      { "code": "fr",   "name": "French",     "native": "French",     "code_switching": false,  "wer_target": 0.12 }
    ],
    "total": 40,
    "features": {
      "word_timestamps": true,
      "speaker_diarization": true,
      "srt_export": true,
      "vtt_export": true,
      "confidence_scoring": true,
      "code_switching_indic_english": [
        "hi+en", "bn+en", "mr+en", "pa+en", "gu+en", "or+en",
        "as+en", "ne+en", "te+en", "kn+en", "ta+en", "ml+en"
      ],
      "multi_language_per_request": true,
      "max_languages_per_request": 5,
      "auto_language_detection": true,
      "websocket_streaming": true,
      "telephony_mulaw": true,
      "continuous_mode": true
    }
  }
}

​
Notes

  • The auto entry is synthesized by this API and is not one of the backend’s native language codes. To submit a request with auto-detection, either omit the language field from POST /stt or explicitly pass language=auto.
  • Supported languages total 39 real languages + 1 auto entry.
  • Unsupported languages (explicitly rejected): Urdu (ur), Japanese (ja), Korean (ko), Chinese (zh), Thai (th), Vietnamese (vi), Indonesian (id), Tagalog (tl), Swahili (sw), Turkish (tr), Persian (fa), Hebrew (he).
  • Arabic dialect tags (e.g. ar-eg, ar-lv) are rejected — pass language=ar for best-effort MSA transcription.