Best Sales Tax Software in 2026
Updated
In short: Zamp is ranked #1 of 25 as of 5 October 2026, ahead of Yonda Tax and Kintsugi. The best-ranked option with a free plan is Yonda Tax. The lowest first paid tier on this page is TaxJar at $34.92/mo.
Sales tax software addresses work such as tracking tax obligations, registering in jurisdictions and preparing returns. Compared on jurisdictions covered, nexus monitoring, tax registration and tax return filing, the entries offer useful dimensions for assessing the scope of tax workflows. Marketplace support and exemption certificates can also matter depending on how you sell, while free-plan availability and paid-from pricing provide cost context. Zamp, Yonda Tax and Kintsugi are among the options to consider. Weigh the listed capabilities against the jurisdictions and sales activities your business needs to manage, including whether certificate handling or marketplace support belongs in your requirements.
25 sales tax software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
Sales Tax Software, one module each. A lit port is something its maker publishes; 15 of the 25 on this page have a public API.
- 01 Zamp API yesOSS not on recordFREE yesDOCS 7.4Free
- 02 Yonda Tax API yesOSS not on recordFREE yesDOCS 7.3Free
- 03 Kintsugi API yesOSS not on recordFREE yesDOCS 7.2$75/mo
- 04 Vertex e-Invoicing API yesOSS not on recordFREE not on recordDOCS 6.9
- 05 AccurateTax API yesOSS not on recordFREE not on recordDOCS 6.8
- 06 Numeral API yesOSS not on recordFREE not on recordDOCS 6.8
- 07 Sovos Tax Determination API yesOSS not on recordFREE not on recordDOCS 6.8
- 08 Avalara VAT Registration API yesOSS not on recordFREE not on recordDOCS 6.7
- 09 ONESOURCE Certificate Manager API yesOSS not on recordFREE not on recordDOCS 6.7
- 10 Quaderno API yesOSS not on recordFREE not on recordDOCS 6.7
- 11 TaxJar API yesOSS not on recordFREE not on recordDOCS 6.7$34.92/mo
- 12 Anrok API yesOSS not on recordFREE not on recordDOCS 6.6$50/mo
- 13 Sphere API yesOSS not on recordFREE not on recordDOCS 6.6$100/mo
- 14 TaxCloud API yesOSS not on recordFREE not on recordDOCS 6.6
- 15 Taxually API yesOSS not on recordFREE not on recordDOCS 6.6
- 16 CCH SureTax API not on recordOSS not on recordFREE not on recordDOCS 5.6
- 17 Taxolio API not on recordOSS not on recordFREE not on recordDOCS 5.6$35/mo
- 18 ONESOURCE Sales & Use Tax Compliance API not on recordOSS not on recordFREE not on recordDOCS 5.3
- 19 ShipVAT API not on recordOSS not on recordFREE not on recordDOCS 5.1
- 20 AkuCalc API not on recordOSS not on recordFREE not on recordDOCS 5.0
- 21 CereTax API not on recordOSS not on recordFREE not on recordDOCS 5.0
- 22 Complyt API not on recordOSS not on recordFREE not on recordDOCS 5.0
- 23 Sovos Sales & Use Tax API not on recordOSS not on recordFREE not on recordDOCS 5.0
- 24 DAVO Sales Tax API not on recordOSS not on recordFREE not on recordDOCS 4.9
- 25 Prophit.ai Sales Tax Engine API not on recordOSS not on recordFREE not on recordDOCS 4.9
Compare all 25 in a table
| # | Platform | Score | Free plan | From | Free plan | Paid from | Jurisdictions covered | Tax return filing |
|---|---|---|---|---|---|---|---|---|
| 1 | Zamp | 7.4 | Free plan | Free | No | — | 13,000 jurisdictions | — |
| 2 | Yonda Tax | 7.3 | Free plan | Free | Yes | — | — | Yes |
| 3 | Kintsugi | 7.2 | Free plan | $75/mo | Yes | — | — | — |
| 4 | Vertex e-Invoicing | 6.9 | No | — | — | — | — | Yes |
| 5 | AccurateTax | 6.8 | No | — | No | — | — | Yes |
| 6 | Numeral | 6.8 | No | — | Yes | — | — | — |
| 7 | Sovos Tax Determination | 6.8 | No | — | — | — | — | Yes |
| 8 | Avalara VAT Registration | 6.7 | No | — | No | 69 /mo | 12,000 jurisdictions | — |
| 9 | ONESOURCE Certificate Manager | 6.7 | No | — | — | — | — | Yes |
| 10 | Quaderno | 6.7 | No | — | No | — | 1 jurisdictions | — |
| 11 | TaxJar | 6.7 | No | $34.92/mo | No | 39 /mo | — | — |
| 12 | Anrok | 6.6 | No | $50/mo | No | 50 /mo | — | — |
| 13 | Sphere | 6.6 | No | $100/mo | No | 100 /mo | — | — |
| 14 | TaxCloud | 6.6 | No | — | No | — | 50 jurisdictions | — |
| 15 | Taxually | 6.6 | No | — | — | — | — | — |
| 16 | CCH SureTax | 5.6 | No | — | — | — | — | Yes |
| 17 | Taxolio | 5.6 | No | $35/mo | No | 99 /mo | 2 jurisdictions | Yes |
| 18 | ONESOURCE Sales & Use Tax Compliance | 5.3 | No | — | — | — | — | Yes |
| 19 | ShipVAT | 5.1 | No | — | Yes | 49 /mo | 93 jurisdictions | — |
| 20 | AkuCalc | 5.0 | No | — | — | — | — | Yes |
| 21 | CereTax | 5.0 | No | — | — | — | — | — |
| 22 | Complyt | 5.0 | No | — | — | — | — | — |
| 23 | Sovos Sales & Use Tax | 5.0 | No | — | — | — | — | Yes |
| 24 | DAVO Sales Tax | 4.9 | No | — | No | — | — | Yes |
| 25 | Prophit.ai Sales Tax Engine | 4.9 | No | — | No | 99 /mo | — | No |
Is your platform on this list?
Numbered spots on this list can be sponsored, and a sponsored row is labelled as paid.
Questions about this list
Which sales tax software is ranked first on Inferse?
Zamp is ranked #1 of 25 with a score of 7.4. Yonda Tax is second and Kintsugi third.
How many of these have a free plan?
3 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, TaxJar has the lowest first paid tier we found: $34.92/mo.
How is this list ranked?
Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it.