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POST
/
liveness
Detect liveness in facial image
curl --request POST \
  --url https://idverify-api.argosidentity.com/modules/liveness \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "faceImage": "{{faceImage_base64}}"
}
'
{
  "apiType": "id_live_face",
  "result": {
    "liveness_score": 95
  },
  "transactionId": "e0nvom3caiis7"
}

Documentation Index

Fetch the complete documentation index at: https://developers.argosidentity.com/llms.txt

Use this file to discover all available pages before exploring further.

​
faceImage
string
required
Face image in base64 format. Base64 encoded characters in the payload must not include the MIME type. For example, if the encoded base64 characters are “image/png;base64,/9j/2wBDABQODxIP…”, then remove “image/png;base64,” and send only the encoded data “/9j/2wBDABQODxIP…”.
​
apiType
string
API type identifier for the liveness detection service.
​
result.liveness_score
number
Liveness score indicating the probability of a live person (0-100). Higher scores indicate higher confidence that the image is from a live person.
​
transactionId
string
Unique identifier for each request, useful for tracking and debugging purposes.
​
message
string
Information message returned as part of the recognition response, providing additional context about the result.
​
errorCode
number
Identifies the specific error for troubleshooting. Common error codes include:
  • 1016: faceImage is required
  • 1017: Fail to analyze face

Authorizations

​
x-api-key
string
header
required

API key essential for authentication and access control purposes, required for authorization.

Body

application/json
​
faceImage
string
required

Face image in base64 format. Base64 encoded characters in the payload must not include the MIME type. For example, if the encoded base64 characters are "image/png;base64,/9j/2wBDABQODxIP...", then remove "image/png;base64," and send only the encoded data "/9j/2wBDABQODxIP...".

Example:

"{{faceImage_base64}}"

Response

Everything worked as expected.

​
apiType
string

API type

Example:

"id_live_face"

​
result
object
​
transactionId
string

Unique identifier for each request

Example:

"e0nvom3caiis7"