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POST
/
predict
AI-voice detection
curl --request POST \
  --url https://api.aurigin.ai/v0/predict \
  --header 'Content-Type: multipart/form-data' \
  --header 'x-api-key: <api-key>' \
  --form file='@example-file' \
  --form user_id=speaker_123
{
  "predictions": [
    "fake",
    "fake",
    "real"
  ],
  "global_probability": [
    0.9584,
    0.9585,
    0.9123
  ],
  "error": [
    null,
    null,
    null
  ],
  "model": "apollo-4-2025-10-20",
  "processing_time": 1.350719928741455,
  "audio_duration": 69.91
}

Authorizations

​
x-api-key
string
header
required

Body

​
file
file
required
​
user_id
string

Optional user identifier

Response

OK

​
error
(string | null)[]

Error messages for each 5-second chunk (null if successful). Aligns 1:1 with the predictions array.

​
global_probability
number<float>[]

Confidence scores (0.0-1.0) for each prediction, one per 5-second chunk. Aligns 1:1 with the predictions array.

​
predictions
enum<string>[]

AI detection results for each 5-second chunk of the audio. Array length equals the number of 5-second chunks in the audio file.

Available options:
fake,
real