AccurateTax vs CereTax

AccurateTax provides TaxTools, a cloud service for e-commerce sales-tax compliance. It calculates sales tax in real time from customer addresses, product taxability and applicable rules, while refining addresses to a US Postal Service-approved format. Reports let sellers file independently, or they can select services covering registration, filing and payment. Optional exemption-certificate management handles documents for exempt transactions. Integrations include Ability Commerce, Adobe Commerce, Magento Open Source, Miva Merchant, osCommerce, Shopify, ShopSite, Stone Edge Order Manager and WooCommerce. An XML API supports custom carts and other applications. AccurateTax identifies itself as a Streamlined Sales Tax Certified Service Provider and says free service is available under the SST contract where applicable. Pricing depends on processed orders and optional services, with charges per order rather than per API call. Basic Service lists 99.99% uptime.

CereTax automates sales tax calculation, validation, and compliance for businesses handling complex transactions across jurisdictions. Its language-agnostic API provides real-time calculations for sales, purchases, and telecom transactions, while the web platform supports related workflows. The process validates addresses and line-item taxability, applies rates and sourcing rules, produces invoice-ready output, aggregates transactions, and synchronizes results with billing or ERP systems. CereTax describes rooftop-level mapping and jurisdiction-specific calculations covering special district taxes, telecom levies, and utility surcharges. Configurable rules, line-level reporting, and documentation trails support audit review. Listed integrations include NetSuite, Microsoft Dynamics 365, QuickBooks Online, Salesforce, BigCommerce, Stripe, and Rillet. The company says its API handles millions of calls without latency degradation. Security descriptions include encryption in transit and at rest and access controls. Most implementations take 3–6 months. Pricing is by custom quote and may depend on requests, transactions, or seats.