SOC2 Type II · GDPR

KYC verification infrastructure for global compliance

One API for identity verification, AML screening, and biometric liveness. Trusted by fintechs, banks, and crypto platforms worldwide.

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99.99%

Uptime SLA

190+

Countries

300ms

Avg response

POST /v1/kyc/verify
Document authentication 98.5% accuracy
Liveness detection anti-spoof
AML & sanctions real-time
curl -X POST https://api.a4api.app/v1/kyc/verify
Trusted by leading companies

Everything you need for KYC

Comprehensive verification tools that scale with your business

ID Verification

Support for 3,000+ document types from 190+ countries. MRZ, barcode, and visual authenticity checks.

Biometric Liveness

Passive liveness detection with presentation attack protection. NIST iBeta Level 2 compliant.

AML Screening

Global sanctions, PEP lists, and adverse media monitoring. Updated in real-time.

Fast & Reliable

300ms average response time with 99.99% uptime SLA. Redundant global infrastructure.

Simple REST API

One integration, unlimited possibilities

View documentation
/kyc/verify /aml/screen /biometric/liveness /document/ocr /watchlist/pep /face/match /phone/validate /email/reputation

Transparent pricing

Pay only for successful verifications. No hidden fees.

Starter

$0.45 / verification
  • Basic ID checks
  • Email/phone validation
  • API access
  • Email support
Start trial

Business Popular

$0.29 / verification
  • Everything in Starter
  • Biometric liveness
  • Full AML screening
  • Priority support
Get started

Enterprise

Custom
  • Dedicated account manager
  • On-premise deployment
  • Custom compliance rules
  • SSO & audit logs
Contact sales

Frequently asked questions

What documents do you support?

We support passports, driver's licenses, national IDs, residence permits, and more from 190+ countries. Over 3,000 document types in total.

Is it GDPR compliant?

Yes, we're fully GDPR, CCPA, and SOC2 Type II compliant. All data is encrypted at rest and in transit.

How fast is the API?

Average response time is 300ms for document verification and 500ms for liveness checks. 99.99% uptime guaranteed.

Is there a free trial?

Absolutely! Get 100 free verifications to test our API. No credit card required, full access to all endpoints.