Add location-based sales tax/VAT to subscription apps and automate compliance

Add location-based sales tax/VAT to subscription apps and automate compliance targets a $6.0B = 2M businesses × $3K ACV total addressable market with high saturation and a year-over-year growth rate of 10-15% YoY growth in tax automation and compliance SaaS driven by digital services taxation (industry reports and vendor disclosures).

Key trends driving demand: More countries expanding VAT/GST on digital services — this increases demand for automated tax calculation and filing for small sellers.; Payment processors are providing tax features but often remain platform-specific — this creates an opportunity for PSP-agnostic SDKs.; Subscription economy growth continues, increasing the complexity of recurring-tax handling, proration, and invoice compliance.; Emerging-market PSPs and developers need localized, lightweight compliance solutions instead of enterprise products.; API-first managed services and AI rule-parsing make continuous upkeep of tax rules feasible for a small vendor..