Salestaxiq provides an enterprise‑grade sales tax API that delivers address‑level tax precision across all U.S. jurisdictions, enabling modern commerce platforms to calculate accurate checkout taxes in real time. The service offers daily jurisdiction updates, SOC‑aligned security, and 99.95% uptime, with an average 85 ms response time, helping marketplaces, retailers, and ERP systems stay audit‑ready and reduce compliance risk.
Funding
Funding not disclosed
Founders
Product
Problem
Commerce platforms must calculate sales tax across more than 13,000 U.S. jurisdictions, but ZIP‑code approximations lead to inaccurate rates, audit exposure, and costly manual updates.
Solution
SalesTaxIQ provides an enterprise‑grade REST API that returns address‑level tax rates with jurisdiction‑aware breakdowns for every U.S. tax district. The service refreshes rates daily, maintains a 99.95% uptime SLA, and delivers responses in an average of 85 ms, ensuring reliable checkout performance at scale. Detailed tax‑authority components are included in each response, giving finance teams a clear audit trail and simplifying compliance reporting. SOC‑aligned security measures protect data in transit and at rest, while scoped API keys and role‑based access control meet regulated‑environment requirements. Comprehensive documentation, code samples, and a sandbox allow rapid integration, and 24/5 technical support helps teams keep critical checkout workflows running smoothly.
Target Audience
Primary customers are high‑volume marketplaces, omnichannel retailers, subscription commerce services, ERP platforms, and payment providers that need automated, accurate U.S. sales‑tax calculation.
Features
- Address‑level tax precision that goes beyond ZIP‑code estimates, covering 13,000+ U.S. jurisdictions
- Daily jurisdiction rate updates with transparent tax‑authority breakdowns for audit readiness
- 99.95% uptime SLA and average 85 ms response time to support high‑volume transaction spikes
- Encrypted transport, scoped API keys, and SOC‑aligned security controls for regulated environments
- Predictable, documented REST endpoints with example code in multiple languages for fast developer onboarding
- Continuous performance monitoring and alerting to maintain low latency and reliability
- Dedicated implementation guidance and escalation paths for critical checkout workloads