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v1

Request Fields

Send the request as application/json.

Field	Type	Required	Validation
transaction_id	string	Yes	1–255 characters; letters, digits, hyphens, and underscores only.
face1	string	Yes	Raw Base64-encoded JPEG, JPG, or PNG image. The decoded image must remain within the upload limit configured for your integration.
face2	string	Yes	Raw Base64-encoded JPEG, JPG, or PNG image. The decoded image must remain within the upload limit configured for your integration.

Code
{
  "transaction_id": "face-compare-001",
  "face1": "/9j/4AAQSkZJRgABAQAAAQABAAD...",
  "face2": "/9j/4AAQSkZJRgABAQAAAQABAAD..."
}

Send Base64 values without a data:image/...;base64, prefix. Face Compare API v1 validates each image's Base64 data, decoded file size, and detected image type. It does not apply a documented pixel-dimension requirement.