#Interface address
+ Face detection [https://api.it120.cc/gate/faceAI/detectFaces](https://api.it120.cc/gate/faceAI/detectFaces)
+ Face comparison [https://api.it120.cc/gate/faceAI/compareFaceFeature](https://api.it120.cc/gate/faceAI/compareFaceFeature)
+ Extract facial features [https://api.it120.cc/gate/faceAI/faceFeature](https://api.it120.cc/gate/faceAI/faceFeature)
+ Liveness detection [https://api.it120.cc/gate/faceAI/livenessInfo](https://api.it120.cc/gate/faceAI/livenessInfo)
# Select startup module
# Interface description
## Calling method
POST method
Public parameters:
+ merchantNo apifm merchant number
+ merchantKey apifm merchant key
## Face detection
Given a photo, the face area positioning value is returned. You can circle each face frame on the picture based on the returned area coordinates.
Business parameters:
+ picUrl The network address of the picture to be detected
Request sample screenshot:
## Face comparison
Given two photos, return the similarity of the two faces. If it is greater than or equal to 0.8, it can be considered to be the same person.
Business parameters:
+ sourcePicUrl The network address of the face photo
+ targetPicUrl The network address of the face photo
Request sample screenshot:
## Extract facial features
Given a photo of a face, extract the eigenvalues of the face. Essentially, face comparison is also done through eigenvalues.
Business parameters:
+ picUrl The network address of the face photo
Request sample screenshot:
## Liveness detection
Given a face photo, return body information: age, gender, etc.
Business parameters:
+ picUrl The network address of the face photo
Request sample screenshot:
