Authentication Solutions

Fourthline’s Authentication solutions assess multiple factors to confirm the identity of existing clients (whose identity was previously verified) before they access your services. You can create different levels of authentication or configure step-up authentication flows.

Solutions include:

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Biometric Authentication

What was previously called Client Authentication is now referred to as Biometric Authentication.

Biometric Authentication is supported in both v1 and v2 integrations.

This solution assesses biometric and geolocation data to verify the identity of an existing client — for example, when:

• The client uses a new device.
• The client loses access to an account containing funds.
• A transaction is initiated from a high-risk location or above a specific threshold.

Modules

It comprises the following modules:

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How it works

After Fourthline has processed the case, you can download the detailed CDD Report via our API.

Explore the Biometric Authentication integration guides for v1 and v2 integrations.

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Document Authentication

This solution ensures that existing clients maintain a valid identity document throughout their lifecycle.
The client uploads photos of their new document, and Fourthline verifies that it is visible, valid, authentic, supported, and in good condition — with all security features present.

Fourthline compares the document data to the client’s most recent successful Identity Verification to confirm ownership.

Modules

It comprises the following modules:

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How it works

After Fourthline has processed the case, you can download the detailed CDD Report via our API.

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Note

If you need guidance selecting the right solutions for your use case, contact Fourthline's Solution Engineering team. They can also provide expert advice on KYC and AML compliance requirements across Europe and other jurisdictions.

To learn more, see the Document Authentication integration guide and technical documentation.

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