In this article, I will explain the best Blockchain Address Screening APIs and how they are advancing compliance and risk management in the crypto world. Customers operating crypto exchanges, banks or fintech firms use these APIs to analyze potentially illegal activities, manage wallets, and fulfill all AML/KYC requirements on a global scale.
We will provide an extensive analysis of the chains supported, features, pricing, and integrations of the top players such as Chainalysis, TRM Labs, Elliptic, Merkle Science and their peers.
What is Blockchain Address Screening APIs?
An Address Screening API for Blockchains is a tool is used by crypto businesses and banks, as well as by regulatory agencies, to check blockchain addresses against sanctions lists and risk databases. It helps determine if an address is involved in money laundering or scams, darknet, or sanctioned markets.
APIs access exchanges, custodians, and payment systems to provide real-time checks on addresses. They provide risk scoring and compliance reporting. Many APIs allow customization.
They allow the user to choose the blockchains they want to check, provide forensic attribution, and allow seamless integration into other systems used for compliance. Blockchain address screening APIs are critical to helping comply with AML/KYC, detect fraud, and help build regulatory confidence in the growing digital asset space.
Why Choose Blockchain Address Screening APIs
AML/KYC Compliance – Businesses can fulfill their know-your-customer and anti-money laundering obligations by screening wallet addresses against sanctions lists.
Fraud Prevention – Blockchain APIs can screen against scam, darknet market, and ransomware wallets.
Real-Time Monitoring – Immediate alerts and risk scoring allow businesses to reduce exposure to potentially illicit actions.
Multi-Chain Coverage – Blockchain APIs can provide visibility for a number of blockchains and stablecoins.
Effortless Integration – Blockchain APIs integrate easily with custodians, exchanges, and other fintech infrastructure.
Regulatory Trust – Implementing Blockchain APIs can improve a business’s standing with regulators, auditors, and banking partners.
Cost Efficiency – There is a reduction in the labor required in compliance and a subsequent reduction in an organization’s operational risk.
Predictive Analytics – There are blockchain APIs that can provide businesses with visibility into client wallets prior to illicit activity.
Scalability – Blockchain APIs can evolve with a business’s operational needs. Would you like me to elaborate on this further for an entire article section?
Key Points
| API Provider | Strengths | Best Fit For |
|---|---|---|
| Chainalysis | Deepest chain coverage, regulator‑trusted, forensic‑grade clustering | Banks, exchanges, law enforcement |
| TRM Labs | Entity attribution, sanctions screening, strong compliance stack | Financial institutions needing managed investigations |
| Elliptic | High‑quality risk scoring, easy integration, regulator traction | Compliance teams at exchanges & fintechs |
| Merkle Science | Predictive risk intelligence, multi‑chain coverage | Exchanges & DeFi needing proactive monitoring |
| Scorechain | European compliance focus, strong reporting | EU crypto businesses |
| Didit | Transparent $0.15/check pricing, unified API (KYC/KYT/AML) | Startups & mid‑tier firms needing affordable screening |
| Crystal Blockchain | Strong investigative suite, integration with Didit | Enterprises needing forensic + screening combo |
| CipherTrace (Mastercard) | Global AML coverage, Mastercard backing | Payment processors & banks |
| Coinfirm | AML/KYT automation, strong sanctions list integration | Exchanges & custodians |
| Blockpass | API for address + identity screening, modular compliance | DeFi protocols & token issuers |
1. Chainalysis
Founded in 2014, and based in New York, Chainalysis was the first in the market and is valued at $8.6B. They boast support for over 200 chains, having deep traceability over 27 networks.

Their KYT API allows for real-time monitoring, risk scoring and wallet screening, and is priced on an enterprise level (usually on a case by case basis), though regulators and exchanges benefit from their services.
Integration is strong and spans over 370 law enforcement agencies, globally. Their offering also includes monitoring with a number of tools, such as alert notifications, sanctions screening, and even tracking in DeFi. Overall rating: 9.5/10.
| Feature | Details |
|---|---|
| Founded | 2014, New York |
| Supported Chains | 200+ chains |
| API Type | KYT (Know Your Transaction) API |
| Monitoring | Real-time alerts, sanctions screening, DeFi tracing |
| Integration | 370+ agencies, exchanges, regulators |
| Pricing | Enterprise-level, tailored packages |
| Forensics | Deep attribution, darknet tracing |
| Adoption | Widely used by governments |
| Rating | 9.5/10 |
2. TRM Labs
TRM Labs was founded one year after Chainalysis, in San Francisco. Supporting 190+ chains for screening and 65+ for deep tracing, they have a client-facing transparent scoring API that is applauded for its transparency and VASP (Virtual Asset Service Providers) profiling.

They also have flexible pricing and pricing packages for exchanges and fintech that are, overall, in the mid to high pricing tiers. A great aspect of the offering is monitoring with wallet screening, sanctions checks, and DeFi tracking. Along with strong integration and reporting, they offer robust Travel Rule support. Overall rating: 9/10
| Feature | Details |
|---|---|
| Founded | 2018, San Francisco |
| Supported Chains | 190+ chains |
| API Type | Transparent scoring API |
| Monitoring | Wallet screening, sanctions, DeFi bridge tracing |
| Integration | Strong compliance stack, Travel Rule support |
| Pricing | Mid-to-high tier, flexible |
| Forensics | VASP profiling, attribution |
| Adoption | Exchanges, regulators |
| Rating | 9/10 |
3. Elliptic
Elliptic, founded in London in 2013, stands out for its offering in that they monitor over 1,100 networks and have AI driven technology for holistic cross-chain screening.

Pricing is competitive but enterprise-focused. Monitoring includes continuous transaction risk scoring, sanctions screening, and darknet market attribution. Integration is strong with banks and financial institutions, offering seamless compliance workflows. Overall rating: 8.8/10 for breadth and institutional trust. Elliptic is ideal for financial institutions needing wide coverage and AI-enhanced monitoring.
| Feature | Details |
|---|---|
| Founded | 2013, London |
| Supported Chains | 100+ chains, 1,100 networks monitored |
| API Type | AI-driven API |
| Monitoring | Risk scoring, sanctions, darknet attribution |
| Integration | Banks, financial institutions |
| Pricing | Enterprise-focused |
| Forensics | Strong attribution |
| Adoption | Institutional trust |
| Rating | 8.8/10 |
4. Merkle Science
Merkle Science has innovative blockchain analytics technology, and their Predictive Monitoring is the first of its kind in the industry. Like other solutions, Merkle Science offers multichain coverage and behavioral analytics.

They come at a competitive price to Chainalysis and target the mid market. Predictive risk scoring, sanctions and DeFi exposure analysis are some of the features you can expect.
Their compliance workflows are fast due to robust banking and financial integration. Overall score: 8.5/10 for innovation and predictive analytics. Merkle Science is ideal for companies looking for the most forward-looking compliance technology.
| Feature | Details |
|---|---|
| Founded | 2018 |
| Supported Chains | 200+ assets & bridges |
| API Type | Predictive monitoring API |
| Monitoring | Behavioral risk scoring, sanctions, CSAM detection |
| Integration | Modular, fast chain onboarding |
| Pricing | Mid-market accessible |
| Forensics | Predictive analytics |
| Adoption | Exchanges, regulators |
| Rating | 8.5/10 |
5. Scorechain
Founded in 2019, SandChain has an edge in understanding ML and blockchain monitoring and focuses on predictive monitoring. SandChain’s API’s provide modular coverage for Multi-chain monitoring. SandChain’s pricing is geared more towards the Middle Market compared to Chainalysis.

Monitoring includes predictive risk scoring, sanctions checks, and exposure checks for decentralized finance. Integration is flexible, offering more modularity for fintechs and crypto exchanges. Overall, SandChain ranks at 8.5/10 for predictive analytics and monitoring. SandChain is best for firms looking for holistic crypto compliance solutions and monitoring that incorporates predictive technology.
| Feature | Details |
|---|---|
| Founded | 2015, Luxembourg |
| Supported Chains | 21+ chains |
| API Type | Sanctions API (free) |
| Monitoring | Wallet screening, KYT monitoring |
| Integration | EU compliance workflows |
| Pricing | Affordable, modular |
| Forensics | Basic attribution |
| Adoption | Startups, EU firms |
| Rating | 8/10 |
6. Didit
Didit’s focus on customizable blockchain API’s to accommodate monitoring needs, specifically with startups and mid-tier firms, puts them against industry leaders, with a weaker chain support offering, but arguably more flexible integration.

Pricing on Didit leverages their weaker competitor positioning and is designed to attract startups and mid-tier firms. They offer basic features for sanctions checks, wallet screening, and transaction monitoring. Overall, 7.5/10 affordability and customization. They are a solution for lightweight compliance needs.
| Feature | Details |
|---|---|
| Founded | New entrant |
| Supported Chains | Limited coverage |
| API Type | Customizable APIs |
| Monitoring | Wallet screening, sanctions, tracing |
| Integration | Flexible, lightweight |
| Pricing | Competitive, startup-friendly |
| Forensics | Basic |
| Adoption | Mid-tier firms |
| Rating | 7.5/10 |
7. Crystal Blockchain
Crystal Blockchain (Crystal Intelligence) is based in Amsterdam and was started in 2018. It supports 330+ chains, more than any competitor. They have an API product offering wallet checks, KYT monitoring, and forensic tracing.

This product is priced mid-range and so would be appropriate for compliance teams. They provide forensic monitoring of stablecoins and DeFi. Crystal has great partnerships with both major and smaller exchanges. Rating 9/10 for chain coverage and forensic depth. Crystal is best for clients looking to have the most visibility across chain networks.
| Feature | Details |
|---|---|
| Founded | 2018, Amsterdam |
| Supported Chains | 330+ chains |
| API Type | KYT, forensic APIs |
| Monitoring | Stablecoin forensics, DeFi tracing |
| Integration | Exchanges, mid-market firms |
| Pricing | Mid-tier |
| Forensics | Deep attribution |
| Adoption | Compliance teams |
| Rating | 9/10 |
8. CipherTrace (Mastercard)
With the integration of Mastercard’s API, CipherTrace’s coverage of multiple blockchains allows for simple and seamless integration into Mastercard’s compliance framework. Services oriented toward banks and payment providers are priced at the enterprise level.

CipherTrace’s suite of services for monitoring include wallet screenings, sanctions checks, and darknet attribution. Integrating CipherTrace’s services throughout Mastercard’s networks achieves an overall score of 8.7/10 for institutional trust and integration. CipherTrace offers the best global compliance services for banks and payment service providers.
| Feature | Details |
|---|---|
| Founded | Acquired by Mastercard |
| Supported Chains | Multi-chain coverage |
| API Type | Compliance APIs |
| Monitoring | Wallet screening, darknet attribution |
| Integration | Mastercard global network |
| Pricing | Enterprise-level |
| Forensics | Strong attribution |
| Adoption | Banks, payment providers |
| Rating | 8.7/10 |
9. Coinfirm
Coinfirm has AML/KYT APIs for multi-chain coverage. They have been able to adjust their pricing to target fintechs and tech exchanges. Their monitoring includes screening for risky wallets and sanctions as well as risk scoring.

They have EU based strong compliance features and have rated high for accessibility and compliance depth with an 8.3/10. Firms looking for a cost-effective approach to compliance will find Coinfirm service to be apt.
| Feature | Details |
|---|---|
| Founded | 2016 |
| Supported Chains | Multi-chain coverage |
| API Type | AML/KYT APIs |
| Monitoring | Wallet screening, sanctions, risk scoring |
| Integration | Modular, EU compliance |
| Pricing | Flexible |
| Forensics | Attribution tools |
| Adoption | Exchanges, fintechs |
| Rating | 8.3/10 |
10. Blockpass
Blockpass specializes in identity compliance and KYC integrations rather than in forensic analysis on blockchain. Currently, there are limited supported chains, but their APIs have seamless integration with onboarding workflows.

Being resourceful with their pricing, they target seed-stage start-ups and De-Fi project budgets. Monitoring includes identity verification, sanction screens, and compliance reporting. We rate Blockpass 7.8/10 for their adaptability with KYC solutions. Blockpass is the most appropriate solution for firms prioritizing client identity compliance over spending on forensic tracing.
| Feature | Details |
|---|---|
| Founded | 2017 |
| Supported Chains | Limited |
| API Type | Identity/KYC APIs |
| Monitoring | Identity verification, sanctions screening |
| Integration | Onboarding workflows |
| Pricing | Accessible |
| Forensics | Minimal |
| Adoption | DeFi, startups |
| Rating | 7.8/10 |
Blockchain Analytics Providers Comparison
| Provider | Founded | Supported Chains | API Type | Monitoring | Integration | Pricing | Forensics | Rating |
|---|---|---|---|---|---|---|---|---|
| Chainalysis | 2014, New York | 200+ | KYT API | Real-time alerts, sanctions, DeFi tracing | 370+ agencies, regulators | Enterprise-level | Deep attribution, darknet tracing | 9.5/10 |
| TRM Labs | 2018, San Francisco | 190+ | Transparent scoring API | Wallet screening, sanctions, DeFi bridge tracing | Compliance stack, Travel Rule | Mid-to-high tier | VASP profiling | 9/10 |
| Elliptic | 2013, London | 100+ chains, 1,100 networks | AI-driven API | Risk scoring, sanctions, darknet attribution | Banks, financial institutions | Enterprise-focused | Strong attribution | 8.8/10 |
| Merkle Science | 2018 | 200+ assets & bridges | Predictive monitoring API | Behavioral risk scoring, sanctions, CSAM detection | Modular, fast onboarding | Mid-market accessible | Predictive analytics | 8.5/10 |
| Scorechain | 2015, Luxembourg | 21+ | Sanctions API (free) | Wallet screening, KYT monitoring | EU compliance workflows | Affordable, modular | Basic attribution | 8/10 |
| Didit | New entrant | Limited | Customizable APIs | Wallet screening, sanctions, tracing | Flexible, lightweight | Competitive | Basic | 7.5/10 |
| Crystal Blockchain | 2018, Amsterdam | 330+ | KYT, forensic APIs | Stablecoin forensics, DeFi tracing | Exchanges, mid-market firms | Mid-tier | Deep attribution | 9/10 |
| CipherTrace (Mastercard) | Acquired by Mastercard | Multi-chain | Compliance APIs | Wallet screening, darknet attribution | Mastercard global network | Enterprise-level | Strong attribution | 8.7/10 |
| Coinfirm | 2016 | Multi-chain | AML/KYT APIs | Wallet screening, sanctions, risk scoring | Modular, EU compliance | Flexible | Attribution tools | 8.3/10 |
| Blockpass | 2017 | Limited | Identity/KYC APIs | Identity verification, sanctions screening | Onboarding workflows | Accessible | Mini |
Conclusion
As mentioned before, each blockchain analytics provider serves a specific niche. Some have a wide coverage of several blockchain networks with forensic depth. These include Chainalysis, TRM Labs, and Crystal Blockchain. For regulators and Tier-1 exchanges, these three are quite essential.
ELLIPTIC and CipherTrace have also made good progress in terms of developing their institutional trust, which has earned these companies banks and payment service providers as their main clientele.
Merkle Science and Scorechain both have something unique to offer as well. In addition, there are more affordable and flexible APIs for the smaller and mid-sized firms focused on the EU market, such as Didit and Coinfirm. Lastly, Blockpass provides a much-desired identity verification service to fill a unique gap in KYC onboarding services.
FAQ
What is blockchain analytics?
Blockchain analytics refers to tools and platforms that monitor, trace, and assess cryptocurrency transactions across multiple chains to ensure compliance, detect fraud, and support investigations
Which provider has the widest chain coverage?
Crystal Blockchain leads with support for 330+ chains, followed closely by Chainalysis and TRM Labs with 200+ chains.
Which platform is best for regulators?
Chainalysis is the most widely adopted by regulators and law enforcement agencies worldwide due to its forensic depth and global integrations.
Which provider is most affordable?
Scorechain offers modular pricing and even free sanctions APIs, making it attractive for startups and EU-focused firms.
Do these platforms offer APIs?
Yes. All providers offer APIs for integration. Chainalysis and TRM Labs provide KYT APIs, while Merkle Science emphasizes predictive monitoring APIs.


