TIN check providers compared.
Price, bulk files, API and evidence across the main TIN check providers.
TIN check providers all send the same name and Taxpayer Identification Number (TIN) question to the IRS. They differ in price per check and in how they handle bulk files. Plain Dot Professional is $0.20 a check, the lowest published price. On pay-as-you-go plans, published prices run from $0.35 to $1.00.
01 How do prices and features compare?
Each row shows one provider's published price for one IRS TIN check.
| Provider | Per TIN check | Real-time and bulk |
|---|---|---|
| Plain Dot | $0.60 Starter · $0.30 Plus · $0.20 Professional · from $0.15 Enterprise | Real-time (up to 25 at once); bulk spreadsheet of 10,000 rows on Plus and up |
| Tax1099 | $1.00 real-time · $0.37 within 24 hours · $150 per 10,000 in bulk | Real-time and 24-hour |
| TaxBandits | $0.35 | — |
| Avalara | $0.45 (+ $0.07 address validation) | — |
| eFileMyForms | $1.00 | — |
| TaxFormHero | $0.49 | — |
02 How did we compare providers?
We took each provider's published price for one name and TIN check on its pay-as-you-go plan, before add-ons. Bulk answers come back within 24 hours for every provider, because that is the IRS turnaround for bulk files.
Questions
What is the cheapest TIN check?
Plain Dot Professional, at $0.20 a check. On pay-as-you-go plans, published prices run from $0.35 (TaxBandits) to $1.00.
How fast is a bulk check?
Within 24 hours. That is the IRS turnaround for bulk files, the same for every provider.