Blockchain AML Intelligence

Crypto AML API

Two API products for crypto AML: a lightweight label and risk score API for developers, and an enterprise compliance API with configurable screening, multi-hop analysis, and case management for regulated teams.

Two products, one intelligence layer

Choose the Right Crypto AML Solution

Start with standalone address intelligence, or build a complete compliance screening workflow.

MetaSleuth

For developers and data teams

MetaSleuth API

Standalone APIs for blockchain address intelligence and standardized risk results.

600M+labeled addresses
20+networks
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Address Label API

Identify known entities, categories, and attributes associated with blockchain addresses.

600M+ addresses20+ chainsEntity resolution

Data enrichment, wallet identification, and investigations.

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Risk Score API

Get a standardized risk result for any address based on identified entities, risky interactions, and on-chain evidence. Designed for DeFi protocols, wallets, and project teams that need lightweight on-chain risk checks without a full compliance platform.

5-level risk ratingDeFi-readyNo platform required

DeFi front-end screening, deposit gates, withdrawal controls, and counterparty checks.

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Phalcon Compliance

For compliance and operations teams

Phalcon Compliance

Configurable wallet and transaction screening for end-to-end compliance workflows.

Multi-hopanalysis
Customrisk engines
Explore Phalcon Compliance

Address Screening API

Evaluate entity risk, behavioral risk, and direct or indirect exposure associated with a wallet.

Multi-hop analysisCustom risk rulesSanctions check

Onboarding, counterparty checks, deposits, and withdrawals.

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Transaction Screening API

Identify risky parties, fund flows, and suspicious behavioral patterns within blockchain transactions.

Real-time monitoringFund tracingAlert routing

Payment review, transaction monitoring, and investigations.

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Built for Your Crypto Compliance Workflows

Customer and Counterparty Due Diligence
Address Screening APIAddress Label API
Screen customer and counterparty wallets before enabling deposits, withdrawals, trading, or other account features.
Use entity intelligence, risk indicators, and direct or indirect exposure to support onboarding and periodic reviews.
Deposit and Withdrawal Screening
Address Screening APITransaction Screening API
Assess incoming funds before crediting deposits and check destination risk before approving withdrawals.
Route higher-risk activity for review based on your operational policy.
Ongoing Transaction Monitoring
Transaction Screening APIPhalcon Compliance
Monitor transactions and wallet activity after onboarding.
Use transaction screening, webhooks, alerts, and monitoring workflows to detect new activity or material risk changes.
Investigation and Data Enrichment
Address Label APIRisk Score APIPhalcon Compliance
Add entity labels and risk context to internal data, then use the results to trace fund flows and identify counterparties.
Investigate alerts and support case resolution.

What Is a Crypto AML API?

A crypto AML API is a programmatic interface that lets applications screen blockchain addresses and transactions for money laundering risk. It returns entity labels, risk scores, sanctions matches, and behavioral flags, enabling crypto exchanges, payment processors, and DeFi protocols to embed compliance checks directly into their deposit, withdrawal, and onboarding workflows.Regulators including FinCEN, the EU (under MiCA), Hong Kong SFC, and Singapore MAS now require VASPs to implement proportionate, evidence-based AML screening. A crypto AML API is the most common way engineering teams integrate these checks without building in-house analytics infrastructure.
KYA

Wallet Screening

Evaluates a blockchain address using available ownership intelligence, transaction history, and risk exposure at the time of screening.

  • Customer and counterparty onboarding
  • Deposit and withdrawal checks
  • Periodic wallet reviews
KYT

Transaction Screening

Evaluates individual transactions and supports ongoing monitoring workflows that identify activity requiring review.

  • Pre-transaction controls
  • Incoming transaction review
  • Ongoing monitoring and alerting

Why businesses use AML APIs

Automate risk checks

Apply repeatable screening logic without relying on manual wallet reviews for every transaction.

Decide in the product flow

Use structured results to approve activity, request review, or apply additional controls at the right time.

Preserve audit history

Maintain screening results, triggered indicators, decisions, and supporting information for your compliance process.

AML and sanctions requirements vary by jurisdiction, business model, and customer profile. Screening technology can support a risk-based compliance program, but does not replace legal or regulatory advice.

BlockSec

Where the Data Comes From

BlockSec is a blockchain security company. The label and risk data behind these APIs comes from the same infrastructure used for smart contract auditing and real-time attack detection, not just public data aggregation.

OFAC ISIS Financial Facilitator Tracing

How we independently traced on-chain funds linked to OFAC-sanctioned ISIS financial facilitators on Tron.

OFAC Sinaloa Cartel On-Chain Tracing

Our analysis of fund flows connected to OFAC-sanctioned Sinaloa Cartel-linked addresses.

Frequently Asked Questions

Related Research

Developer Guide: Integrating Blockchain Compliance APIs

Step-by-step walkthrough for embedding address screening and transaction monitoring APIs into your crypto product.

Read research

Crypto Compliance Infrastructure: Buy vs. Build ROI Analysis

ROI framework for compliance infrastructure decisions: hidden AML costs, false positive reduction, and scalability benchmarks.

Read research

Crypto Payment Security & Compliance Checklist

A practical checklist for crypto payment providers covering AML screening, sanctions, and transaction monitoring.

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Crypto Compliance Software: Daily Workflows for AML Analysts

How compliance analysts use screening tools, alert queues, and case management in day-to-day AML operations.

Read research

DeFi Compliance Platform Requirements: Building an On-Chain Risk Stack

What DeFi teams need in a compliance stack: on-chain risk scoring, exposure analysis, and regulatory reporting.

Read research

Australia VASP Framework: What Institutions Must Prepare

A breakdown of Australia's VASP regulatory framework and what crypto businesses need to prepare for compliance.

Read research

Start Using Crypto AML APIs Today

MetaSleuth API from $699/month for labels, $1,199/month with risk scores. Phalcon Compliance API included with Scale and Enterprise plans starting at $699/month.