The Fourthline Modular Identity Platform

Fourthline’s Modular Identity Platform solves mission-critical identity challenges for banks, fintechs, & non-financial businesses with a single API integration. From standard Identity Verification to bank-grade, remediation, & AML Screening, Fourthline’s platform provides all you need to verify identities or comply with regulations.

One provider for every identity challenge

Pick and choose modules to suit your business case and risk appetite.

Identity Verification

Authenticate the identity of every customer you onboard with real-time, automated KYC you can rely on.

AML Screening

Stay a step ahead with exceptionally accurate fraud detection and ongoing AML monitoring.

Remediation

Save time and money while remaining compliant with our automated, fully customisable re-KYC process.

Fraud Detection

Get fast, accurate outcomes from custom lists and checks that are configured to your needs.

Where we excel

Many different businesses benefit from our exceptional KYC and AML compliance.

Banks

Reduce friction and control costs with KYC and AML tools that withstand the scrutiny of the strictest regulators.

Embedded finance

Seamlessly automate fraud detection with tools that strike the right balance of speed, accuracy, and security.

Neobanks

Navigate complex regulations and scale confidently with tailored solutions that are locally compliant across Europe.

Neobrokers

Add our KYC tools to your infrastructure to ensure smooth customer onboarding and ongoing compliance.

Marketplaces

Offer security and compliance by verifying the identity of every buyer and seller on your platform.

“Fourthline accelerated our international growth by verifying identities for partners across Europe.”

Delia König | Chief Product Officer - Solaris
Delia Konig from Solarisbank testifies about the Fourthline product

Fourthline in numbers

390%
risk-adjusted ROI
3500+
Document types
98.7%
approval accuracy
Technology designed for neobrokers

Why choose us?

Robust identity verification and fraud detection software benefits everyone. Our modular solutions are driven by sovereign AI, allowing you to control costs and remain compliant at every stage of scaling your business. The real-time authentication we perform proves there's no need to compromise on customer experience.

Cross-border compliance as standard

Our trusted identity verification tools are locally compliant in 30+ jurisdictions.

GDPR-badge

GDPR

We protect personal data and privacy of EU citizens.

Certified against ISO/IEC 27001:2022

ISAE 3000

Our controls for data integrity and compliance are reliable.

Amazon Partner Network logo

AWS

Proud to be an AWS Technology partner.

Built for engineers – approved by compliance

Integration made as smooth as possible with extensive resources and testing tools.

Integration guides

Guides for each of our solutions lead you through the integration method you choose.

API documentation

Everything you need to know for successful integration with Fourthline APIs.

Postman collections

We provide the relevant JSON collection you need to successfully test our APIs in Postman.

Want to learn more?

Discover how we can help you solve mission-critical identity challenges in a tailored way.