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Provider Profile

Fourthline

European KYC and AML platform built around regulated banking-grade onboarding, verification, and ongoing compliance for financial institutions.

KYC ProvidersIdentity Verification PlatformsAML ScreeningDocument VerificationLiveness DetectionGovernment ID verificationDocument verificationDocument OCRFace matchingPassive livenessActive livenessEuropeGlobalAPISDKHosted flow
Primary fitKYC Providers
CoverageEurope, Global
DeploymentAPI / SDK

Overview

Fourthline is an Amsterdam-based digital KYC and AML provider focused on regulated financial institutions in Europe. Its modular platform covers identity verification, document and biometric checks, qualified electronic signing, AML screening and monitoring, account authentication, and re-KYC. It operates as a regulated payment institution under the Dutch Central Bank, and counts banks, brokers, and fintechs such as N26, Trade Republic, and flatexDEGIRO among its customers.

Primary category: KYC Providers. Use the sections below to check fit by capability, use case, coverage, deployment, and supporting evidence.

Capabilities

Government ID verificationDocument verificationDocument OCRFace matchingPassive livenessActive livenessSanctions screeningPEP screeningAdverse media screeningManual reviewCase managementAPIMobile SDKWeb SDK

Best-fit use cases

Fintech KYCVerify customers while balancing compliance, fraud prevention, conversion, and auditability.Bank onboardingVerify new customers with KYC, AML screening, fraud checks, audit trails, and exception handling.Crypto KYCOnboard users and monitor risk across identity verification, AML, wallet screening, and Travel Rule workflows.Account recovery verificationReconfirm identity during account recovery, step-up verification, suspicious activity, or periodic review.Proof of address verificationVerify where a user lives using address documents, database checks, extracted data, or related signals.

Coverage

Region tags
Europe · Global
Coverage caveat
Country, document, language, and product coverage should be verified directly with the vendor.

Integrations and developer experience

Deployment
API · SDK · Hosted flow · Dashboard
API
Available
SDK
Available
Hosted flow
Available
On-premise
Unknown

Compliance and security notes

KYCAMLSanctionsPEP

Compliance claims must be sourced before publication.

Not legal advice. This page is an editorial reference and does not determine whether a provider satisfies any specific regulatory obligation.

Reference links

Start with the provider website and then cross-check public claims against independent search results, security pages, regulatory records, and product documentation.

Official websiteSearch breach historySearch lawsuits and enforcementSearch security reviews

Strengths

  • Banking-grade KYC built for European regulated institutions
  • Combined IDV, AML screening, monitoring, and re-KYC under one vendor
  • Operates as a regulated payment institution under the Dutch Central Bank

Limitations and watchouts

  • Geared to regulated financial institutions; lighter consumer/marketplace fit than horizontal IDV platforms.
  • Verify regional coverage and product packaging directly.

Alternatives

AlloyIdentity decisioning and orchestration platform for KYC, KYB, fraud, AML, and credit risk workflows used by banks and fintechs.AU10TIXIdentity verification and forensic-grade fraud detection platform for global onboarding, document and biometric verification, and serial fraud monitoring.CivicDecentralized identity and credential platform offering on-chain identity verification, age checks, and proof of personhood, with strong Solana/Web3 footprint.DaonIdentity proofing and biometric authentication platform for financial services, healthcare, and travel, with deepfake defense and continuous authentication.