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Smart Contract Security Audits
View Audit Services
Custom DeFi Protocol Development
Explore DeFi
Full-Stack Web3 dApp Development
View App Services
Free 30-min Web3 Consultation
Book Consultation
Smart Contract Security Audits
View Audit Services
Custom DeFi Protocol Development
Explore DeFi
Full-Stack Web3 dApp Development
View App Services
Free 30-min Web3 Consultation
Book Consultation
Smart Contract Security Audits
View Audit Services
Custom DeFi Protocol Development
Explore DeFi
Full-Stack Web3 dApp Development
View App Services
LABS
Services

Real-Time Sanctions Screening API

A high-performance, blockchain-native API service that payment protocols and DeFi applications call pre-transaction to screen counterparty addresses against global sanctions lists with sub-second latency and cryptographic proof.
Chainscore © 2026
overview
FULL-STACK ENGINEERING

Custom Blockchain Development

End-to-end blockchain solutions from protocol design to production deployment.

We architect and build custom blockchain networks, layer-2 solutions, and protocol upgrades. Our engineering team delivers production-ready systems with 99.9% uptime SLAs and comprehensive security audits.

From a 2-week MVP to a multi-chain enterprise network, we provide the technical leadership to execute your vision.

  • Core Protocol Development: Custom EVM-compatible chains, Cosmos SDK zones, and Substrate-based parachains.
  • Layer-2 & Scaling: zkRollup and Optimistic Rollup implementations for high-throughput DeFi and gaming.
  • Smart Contract Suite: Secure Solidity 0.8+/Rust contracts with formal verification and OpenZeppelin patterns.
  • Node Infrastructure: Managed validator sets, RPC endpoints, and block explorers with 24/7 monitoring.
key-features-cards
ENTERPRISE-GRADE INFRASTRUCTURE

Core Technical Capabilities

Our sanctions screening API is built on a robust, purpose-built infrastructure designed for the scale and compliance demands of financial institutions and high-volume crypto platforms.

01

Real-Time Transaction Screening

Screen wallet addresses and transactions against OFAC, UN, and EU sanctions lists with sub-second latency. Our API integrates directly into your transaction flow to block non-compliant transfers before they are finalized.

< 500ms
P99 Latency
99.99%
Uptime SLA
02

Comprehensive Risk Intelligence

Go beyond simple list matching. Our system analyzes on-chain patterns, cross-chain activity, and entity clustering to identify high-risk wallets associated with sanctioned protocols, mixers, or stolen funds.

100K+
Risk Indicators
50+
Blockchains Monitored
03

Audit-Ready Compliance Logging

Every screening request and result is immutably logged with a Chainscore Proof. Generate detailed, tamper-evident audit trails for regulators in minutes, not days.

7-Year
Data Retention
FATF Travel Rule
Compliance
05

Enterprise-Grade Security & Privacy

Your data is encrypted in transit and at rest. We are SOC 2 Type II compliant and operate a zero-trust architecture. Screening requests are processed without storing sensitive PII.

SOC 2
Type II Certified
AES-256
Encryption
06

Automated List Updates & Monitoring

Sanctions lists are updated automatically within 5 minutes of official publication. Our 24/7 monitoring ensures you are always screening against the latest regulatory requirements.

< 5 min
Update Latency
24/7
Monitoring
benefits
DELIVERABLE RESULTS

Business Outcomes for Your Protocol

Integrating Chainscore's Sanctions Screening API delivers measurable security and operational advantages, directly impacting your protocol's compliance posture and user trust.

01

Automated Regulatory Compliance

Real-time screening against global sanctions lists (OFAC, UN, EU) ensures every transaction is compliant by design, eliminating manual review and reducing legal exposure.

< 100ms
Screening Latency
99.9%
Uptime SLA
02

Reduced Risk & Liability

Proactively block interactions with sanctioned addresses before they settle. Our continuously updated data sources and deterministic logic provide a verifiable audit trail for regulators.

0 False Positives*
Guaranteed
24/7
Monitoring
03

Faster Time-to-Market

Deploy a production-ready compliance layer in days, not months. Our simple API integration requires no internal AML team, accelerating your launch and fundraising timelines.

< 1 week
Integration Time
Pre-audited
Logic
04

Enhanced User Trust & Safety

Demonstrate a commitment to secure and lawful operations. Protect your community and liquidity pools from bad actors, building credibility with users, partners, and investors.

Enterprise-Grade
Security
Transparent
Operations
05

Operational Efficiency & Cost Savings

Eliminate the overhead of building, maintaining, and updating an in-house screening system. Convert fixed engineering and legal costs into a predictable, scalable operational expense.

90%+
Cost Reduction
No DevOps
Required
06

Future-Proof Compliance

Our infrastructure automatically adapts to new regulatory requirements and list updates. Ensure your protocol remains compliant as the global landscape evolves, without code changes.

Real-time
List Updates
Global
Coverage
Tier Comparison

Technical Specifications & Performance

Compare our API tiers to find the right level of coverage, speed, and support for your compliance needs.

FeatureStarterProfessionalEnterprise

Real-time Sanctions Screening

OFAC, UN, EU, UK Lists

Custom Risk Rules Engine

API Latency (P95)

< 500ms

< 200ms

< 100ms

Requests per Month

Up to 100K

Up to 1M

Unlimited

Audit Log & Reporting

Basic

Advanced

Custom Dashboard

Support SLA

Business Hours

24/7 Email & Chat

Dedicated Engineer

Compliance Attestation

Starting Price (Monthly)

$499

$1,999

Custom

how-we-deliver
PROVEN PROCESS

Our Delivery Methodology

We deliver production-ready sanctions screening with a structured, transparent approach that ensures security, speed, and seamless integration.

01

Compliance & Risk Assessment

We begin with a deep analysis of your specific regulatory requirements (FATF, OFAC, MiCA) and risk profile to tailor our screening rules and thresholds.

50+
Jurisdictions Mapped
1-2 Days
Initial Setup
02

API Integration & Configuration

Our engineers provide dedicated support for integrating our RESTful API, configuring webhooks for real-time alerts, and setting up custom watchlists.

< 100ms
P95 Latency
99.9% SLA
API Uptime
03

Data Pipeline Implementation

We deploy and manage the secure data ingestion pipeline from your on-chain sources (nodes, indexers) to our screening engine, ensuring data integrity.

Real-time
Data Sync
SOC 2 Type II
Data Security
04

Testing & Validation

We conduct rigorous testing with historical and synthetic threat data to validate screening accuracy and fine-tune false positive rates before go-live.

> 99.5%
Accuracy Rate
Full Audit Trail
Compliance Proof
05

Production Deployment

We manage the phased rollout, load testing, and final deployment to production, ensuring zero downtime for your existing services.

< 2 Weeks
Avg. Time to Live
24/7
Launch Support
06

Ongoing Monitoring & Updates

We provide continuous monitoring, daily list updates, and periodic compliance reviews to adapt to evolving regulatory landscapes and threats.

Daily
List Updates
Dedicated SLAs
Incident Response
Real-Time Sanctions Screening API

Frequently Asked Questions

Get clear answers on integration, compliance, and technical specifics for our blockchain-native sanctions screening solution.

Most teams complete a full production integration in 1-2 weeks. We provide comprehensive documentation, SDKs for popular languages (Node.js, Python, Go), and a dedicated technical onboarding specialist. You can test with our sandbox environment immediately after sign-up.

ENQUIRY

Get In Touch
today.

Our experts will offer a free quote and a 30min call to discuss your project.

NDA Protected
24h Response
Directly to Engineering Team
10+
Protocols Shipped
$20M+
TVL Overall
NDA Protected Directly to Engineering Team
Real-Time Sanctions Screening API | Chainscore Labs | ChainScore Guides