TINCheck

TINCheck by Sovos provides online, bulk, and API-based TIN matching and identity verification. Organizations can check taxpayer names and identification numbers against IRS records, validate selected business and address details, and screen individuals or entities against OFAC and other U.S. and international watchlists. Its tools are designed to support vendor and payee onboarding, data cleanup, tax reporting preparation, and KYC/AML workflows.