Kintsugi is an API-based sales tax compliance service from a company founded in 2022 and headquartered in San Francisco.
Alternatives to ShipVAT
ShipVAT gives developers one API for VAT, sales tax, and GST calculations across 93 jurisdictions, including the EU, UK, US, Canada, and Australia. It also covers address validation, VAT ID checks, transaction and customer records, compliance reports, webhooks, and economic-nexus thresholds. Source URLs, verification times, and effective dates accompany rates. A free plan allows 100 calls monthly, while Pro costs $49 per month for 50,000 calls; Enterprise pricing is custom.…
Numeral is an API-based tax service for businesses handling sales tax, VAT, and GST.
Avalara AvaTax calculates tax in real time for sales and purchasing workflows, with support for sales tax, consumer use tax, VAT, communications tax,…
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Zamp
Zamp is a sales tax service with API access, automated filing, return preparation, submission, and direct ACH remittance.
Free planAPI6.5Free plan - 5
6.4From €150 a year - 6
DAVO Sales Tax
DAVO Sales Tax automates sales-tax handling using data from a connected point-of-sale system.
Web6.2From $57.99 a month - 76.1
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Yonda Tax
Yonda Tax provides managed sales tax, VAT, and GST compliance for eCommerce, SaaS, and marketplace businesses.
Free planWebAPI6.1Free plan - 9
CCH SureTax
CCH SureTax is a sales and use tax automation platform for retailers and brands selling through multiple channels.
API6.0 - 10
AccurateTax
WebAPI5.9 - 11

Prophit.ai Sales Tax Engine
Prophit.ai Sales Tax Engine determines sales tax before a transaction is finalized and returns the result to the requesting system.
WebAPI5.8From $99 a month - 12
5.7From $39 a month - 13
5.6From $50 a month - 14
Complyt
Complyt is a sales tax engine for calculating tax on business transactions, available through an API and web platform.
WebAPI5.6 - 15

Sovos Sales & Use Tax
WebAPI5.5 - 16
5.5From $100 a month - 17

CereTax
CereTax automates sales tax calculation, validation, and compliance for businesses handling complex transactions across jurisdictions.
WebAPI5.3 - 18

ONESOURCE Sales & Use Tax Compliance
ONESOURCE Sales & Use Tax Compliance, powered by CoCounsel, is web software for automating sales and use tax workflows.
Web5.2 - 19
5.2 - 20

AkuCalc
AkuCalc is a sales-tax calculation product from Clarus Tax Technologies for ERP, ecommerce, and billing workflows.
API5.1 - 215.1
- 224.6
- 234.5


