For a user to go through Face Match, you must first fetch a valid session token. This token establishes the authenticity throughout the verification process.

Each session token is short-lived and should be generated immediately before starting the verification process.

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Get Session ID

To get a session ID, your application’s server must make an API request to the GET /liveness/session endpoint.

try {
    // Create a session token via Verisoul's API
    let response = await fetch('https://api.sandbox.verisoul.ai/liveness/session', {
        method: 'GET',
        headers: {
            'x-api-key': '{VERISOUL_API_KEY}'
        }
    });

    let {session_id} = await response.json();
    
    // Return the session_id to your client application
    // ...
} catch (err) {
    console.error(err);
}

For security, best practice is to fetch the session token from a protected server, never on the client.

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Next Steps

Once you have obtained a session token, you can proceed to navigate the user to Face Match to complete the verification process.