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Program Overview

You already rely on TINCheck for fast, accurate TIN validation and powerful tax compliance tools. Now, you can turn your trust into rewards.

Welcome to TINfluence — our referral program built exclusively for our most loyal customers. It’s your opportunity to share the TINCheck advantage with your network and receive payouts in return.

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Apply to Join

Refferal Program Application

How It works

Double the Benefit

  • Your network gets 15% off their first 3 months with TINCheck
  • You earn 15% commission for 3 months per referral

Referral Process

Protect your business from sanctions, penalties and fraud by checking if a person or business is involved in any illegal activities according to the following global watch lists:   

  1. Apply – Fill out our short sign-up form
  2. Receive Your Code – We’ll send you a custom code and landing page
  3. Share It – Use our pre-written messages to refer your network
  4. Redeem Rewards – Referrers will receive a monthly check for their earned commission
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Who Can Join

  • Finance, tax, and compliance professionals with strong networks
  • Referrals who would like to try TINCheck

New Customer Benefits

  • 15% OFF their first 3 months
  • Smooth, assisted onboarding
  • Access to the full TINCheck toolkit: validation, batch uploads, and more

Terms & Details

  • Referrer commission valid for the first 3 months of each referral’s paid plan
  • Referrers will receive a monthly check for their earned commission
  • Referral codes have unlimited use and never expire

TINCheck Core Features

  1. Instant Access to Results, No Installation Required: TINCheck is entirely web-based – just login and start verifying instantly.  No software to install, no IT involvement, no delays.
  2. Real-Time TIN Match: Instantly verify TIN and name combinations against IRS, DMF, OFAC and 20+ global databases. Avoid costly IRS B-Notices and penalties by catching mismatches before you file.
  3. Expert Support When You Need It: Get fast, accurate answers directly in our help center. Plus get in touch with one of our support experts when you need it.  
  4. Built for Teams: Invite and manage multiple users under one account – with user permissions for your entire team. Perfect for teams collaborating on vendor management, tax compliance, or finance.
  5. Complete Results, anytime: TINCheck keeps a log of all of your TIN verifications so you can view and audit your data whenever you need to – helping you ensure accurate data and keeping you audit-ready.
  6. Save Time with Bulk Verification: Upload large lists of vendors for fast, high-volume TIN matching, with results in as little as 24 hours. Ideal for finance teams handling hundreds or thousands of records.
  7. API Integration: Easily integrate TINCheck into your existing systems and onboarding processes using our robust REST-based API. Automate real-time TIN validation without disrupting your workflow.

Frequently Asked Questions about TINCheck

FAQs

How does TINCheck help prevent IRS penalties and B-Notices?

TINCheck performs real-time matching of Taxpayer Identification Numbers (TINs) with IRS and 20+ global databases. This ensures any mismatches are caught before filing 1099s or W-2s, helping you avoid B-Notices and costly penalties.

Can I upload large volumes of records for validation?

Yes. TINCheck supports bulk uploads via CSV or Excel, making it easy for finance teams and tax professionals to validate hundreds or thousands of records at once.

Does TINCheck offer an API?

Absolutely. TINCheck offers robust API access via our REST-Based API so you can seamlessly integrate real-time TIN validation into your existing software stack or workflows.

Will my validated data be saved for future use?

Yes. TINCheck securely stores previously validated records and allows you to reverify them over time—

Is TINCheck secure and compliant with IRS regulations?

Definitely. TINCheck is hosted in SOC 2 Type II certified data centers and uses encrypted transmission and storage to protect sensitive vendor data and ensure regulatory compliance.

Is TINCheck suitable for teams?

It is. You can invite and manage multiple users under a single account, and set-up user controls/permissions – making collaboration easy for distributed teams or multi-department use.

What kind of customer support is available?

TINCheck provides a comprehensive help center and a dedicated support team. You’ll get timely, knowledgeable assistance— anytime you need it.

What pricing options does TINCheck offer?

We offer flexible pricing, including pay-as-you-go and scalable monthly plans. This ensures businesses of all sizes only pay for what they need.