Frequently Asked Questions

TINCheck offers both prepaid and monthly plans. Monthly plans start at $24.95 per month. We offer volume-based pricing discounts and have plans to fit virtually any volume of checks. You can view our most popular plans on our Pricing Page.

TINCheck constantly monitors and updates information from source systems, so you can always expect to have the most up-to-date results. Please note that the source lists TINCheck accesses may change without notice as official entities that manage them update, consolidate or relocate their systems.

Yes, TINCheck offers bulk TIN/Name validation on files. For more information, visit our TINCheck Bulk Services Page.

Yes, TINCheck offers all of our validations as Web Services that allow you to build the routines directly into your current AP systems. Visit our TINCheck API page for more information.

To use our service to perform IRS TIN matching, we will ask you to declare us as one of your ‘Authorized Agents’ to perform this function on your behalf. This authorization happens as part of the acceptance of the End User License Agreement and allows you to begin using the service right away without spending weeks to apply for and activate an IRS eServices account.

A complete list of all of the supported verification databases and watch lists can be found here on the List Page.

For instructions on how to enable a bulk TIN Check, visit this article in our Help Center.

No, we are a private organization that provides tax compliance and regulatory reporting services to help our customers simplify compliance processes. We do, however, work closely with the IRS and state regulators to ensure our products and services are complaint, accurate and available.

TINCheck relies on multiple layers of security to ensure all data is processed securely. All internet traffic to and from TINCheck is secured using 128bit TLS/SSL encryption. The same security used by financial intuitions to secure online banking transactions. TINCheck servers are located in a state-of-the-art, fully redundant, 24×7 on-site secured and monitored datacenters used by Fortune 500 companies and government organizations. Our datacenters are Service Organization Controls 1 (SOC 1) certified, under both the SSAE 16 and the ISAE 3402 professional standards. In addition, our datacenters are ISO 27001 certified and have been successfully validated as a Level-1 service provider under the Payment Card Industry (PCI) Data Security Standard (DSS). For additional security, TINs are temporally stored 256-bit AES encrypted in order detect and prevent system fraud. TINCheck also supports using two-factor authentication for user login. Please contact support for more information.

Yes – For information on how to setup two-factor authentication please visit our help center. 

Yes, the TINCheck service is affiliated with Sovos a market leader in tax compliance and information reporting products and services.

Visit our Contact Page.