Scale Your Identity Verification – Built for Enterprise Speed, Security, and Compliance
TINCheck helps financial institutions, insurers, and enterprise teams instantly verify Taxpayer Identification Numbers (TINs) against the IRS – while screening against OFAC, the Death Master File (DMF), FATCA registries, and 20+ global watchlists to prevent fraud and reduce regulatory risk.
Our API and bulk-match offerings are fast, scalable, and built for compliance-first operations – helping you avoid costly IRS penalties (up to $330 per mismatch), strengthen AML/KYC workflows, and onboard customers or vendors with confidence.
Whether you process thousands or millions of records annually, TINCheck delivers secure, high-volume verification designed for enterprise operations.
1,000+ Enterprises Trust TINCheck to Stay Secure
and Compliant
Protect your enterprise from penalties, reduce fraud risk, and strengthen compliance protocols with TINCheck’s comprehensive identity verification platform – trusted for 20+ years by AP, compliance, and risk teams nationwide.
Achieve Compliance-Driven Verification, Built for Scale
Real-time identity verification that fits directly into your enterprise workflow. Our intuitive UX and advanced API offers instant, compliant TIN and EIN validation across the IRS and 20+ global databases – complete with comprehensive results, report history, and enterprise-grade security.
Reduce onboarding time by up to 70%
Prevent up-to $4M in IRS penalties with verified Name/TIN matching
Screen vendors & payees against 20+ global validation and watchlists instantly
TINCheck API
TINCheck’s API allows you to imbed TINCheck’s real-time verification into your existing onboarding system for instant validation upon onboarding across 20+ global lists – keeping your business secure, fast, and compliant.
Key Features:
- REST-based API
- Validate against the IRS, DMF, OFAC and more
- Easily integrate into your existing enterprise workflows
- Flexible enterprise pricing aligned around the needs of your business
TINCheck Real-Time
Real-Time TINCheck allows businesses to validate Name/TIN combinations in real-time with our intuitive UX, you get instant results – plus access to all of your check history for audit and reporting purposes.
Key Features:
- IRS Name/TIN validation
- Death Master File, OFAC, GIIN, and more
- USPS Address Validation
- No IRS eServices account needed
TINCheck Bulk
Validate hundreds of records at one time with TINCheck bulk match. With bulk matching, you can import all of your vendor, customer, or employee data into our system and get results back in as little as 24 hours.
Key Features:
- Validate 1,000s of records
- Intuitive results
- IRS, DMF, and watchlist verification
- Starting at just $185
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