CereTax vs ShipVAT

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.

ShipVAT provides an API for calculating VAT, sales tax, and GST across 93 jurisdictions. The maker lists the EU, UK, US, Canada, and Australia among supported regions, and describes economic nexus threshold intelligence for all 50 US states and beyond. API functions include tax calculations, rate and threshold lookup, transaction and customer management, VAT validation, compliance reports, webhooks, and address validation. ShipVAT says rates include a source URL, verification timestamp, and effective dates, with tax data curated from official sources. Developers can use a TypeScript SDK, OpenAPI 3.0, Swagger UI, and curl examples. Endpoints use Bearer-token authentication with test and live key formats. The API is described as working with Paddle, LemonSqueezy, PayPal, or any payment stack. The Free plan costs nothing and allows 100 API calls per month. Pro costs $49 a month for 50,000 calls; Enterprise pricing is custom and its listed call limit is unlimited.