Sessions can be referred as a customer verification session. We strongly suggest to link a session with one unique user. To start a verification process, you have to init a new session with your app API Key available in your manager.
Usual flow of a session:
Init session using your API Key
Send information using our API or using our embedded solution
Synaps process the session by verifying the document
Once the verification is done, session is closed
If a session is closed, no information can ben sent via API or our embedded solution. You have to create another session if you want to verify more information