Software Development Kit for Youverify's Liveness Check
To install, run one of the following commands:
npm install youverify-passive-liveness-web
or
yarn add youverify-passive-liveness-web
- Import the package into your web page like so:
import YouverifyLivenessPassive from "youverify-passive-liveness-web";
- Initialize an instance of the package, like so:
const yvPassiveLiveness = new YouverifyPassiveLiveness(options);
For a list of the valid options, check this out
- Start the process, like so:
yvPassiveLiveness.start();
This could also be called with an array of tasks. The supplied tasks override those provided during initialization.
const tasks = [{ id: "passive" }];
yvPassiveLiveness.start(tasks);
Full Example:
import YouverifyPassiveLiveness from "youverify-passive-liveness-web";
try {
const yvPassiveLiveness = new YouverifyPassiveLiveness({
tasks: [{ id: "passive" }],
});
yvPassiveLiveness.start();
} catch (error) {
// Handle Validation Errors
console.log(`Something isn't right, ${error}`);
}
Option | Type | Required | Description | Default Value | Possible Values |
---|---|---|---|---|---|
presentation |
String | No | Controls how UI is displayed | modal |
modal , page
|
publicKey |
String | Yes | Your Youverify Public Merchant Key | undefined | Valid Youverify Public Key |
sandboxEnvironment |
Boolean | No | Sets whether session should run in sandbox or live mode | true |
true , false
|
tasks |
Array | No | Sets tasks that need to be performed for liveness to be confirmed | undefined | See tasks |
user |
Object | No | Sets details of user for which liveness check is being performed | undefined | See nested options below |
user.firstName |
String | Yes | First name of user | - | Any string |
user.lastName |
String | No | Last name of user | undefined | Any string |
user.email |
String | No | Email of user | undefined | Any string |
branding |
Object | No | Customizes UI to fit your brand | undefined | See nested options below |
branding.color |
String | No | Sets your branding color | undefined | Valid hex or RGB string |
branding.logo |
String | No | Sets your logo | undefined | Valid image link |
allowAudio |
Boolean | No | Sets whether to narrate information to user during tasks | false |
true , false
|
onClose |
Function | No | Callback function that gets triggered when modal is closed | undefined | Any valid function |
onSuccess |
Function | No | Callback function that gets triggered when all tasks have been completed and passed. Called with completion data | undefined | Any valid function |
onFailure |
Function | No | Callback function that gets triggered when at least one task fails. Called with completion data | undefined | Any valid function |
A task is a series of instructions for users to follow to confirm liveness. Find below a list of tasks.
PS: We aim to frequently add to this list a variety of fun and yet intuitive ways of confirming liveness, so be on the lookout for more tasks!
User passes task doing nothing.
Option | Type | Required | Description | Default Value | Possible Values |
---|---|---|---|---|---|
id |
String | Yes | Id of task | - | passive |
The onSuccess
and onFailure
callbacks (if supplied) are passed the following data:
Option | Type | Description |
---|---|---|
data |
Object | Data passed through callback |
data.faceImage |
String | Face Image of user performing liveness check |
data.livenessClip |
String | Video of user performing liveness check |
data.passed |
Boolean | Indicator on whether liveness check passed or failed |
data.metadata |
Any | Metadata passed in during initialization |
This SDK is developed and maintained solely by Youverify.