Tax SoftwareUnclaimed

Vatstack

An API platform that handles VAT and GST calculations and compliance reporting for digital product businesses

Also known as
vatstack

Available worldwide · Popular in: GB

What is Vatstack?

Automatically calculates applicable VAT rates for cross-border digital sales, validates customer VAT numbers, stores transaction evidence, and generates compliance reports for VAT and GST filings.

Independently observed

Vatstack pricing

Plans, per-tier features and add-ons, dated and linked to live pricing. Pricing changes often; always verify at source before you rely on it.

Pricing as of verify at live pricing ↗Independently observed
from $0/moSubscriptionFree tier

Free Developer plan; Launch starts at $0/mo; Small Business $15/mo; Enterprise $150/mo, all with usage overages

Developer

Free
Free

Free plan for building and testing, includes unlimited dummy validations and supplies

supplies
unlimited (dummy)
validations
unlimited (dummy)
  • Full rates list
  • EU (27) rates
  • Digital product rates
  • Geolocation technology (MaxMind GeoIP2)
  • Cached quote history (3 days)

Launch

$0/mo + usage overages

Starting point for small businesses

sales
20/mo
validations
100/mo
  • Unlimited VAT Rates
  • VAT Validations with overage pricing
  • VAT Sales tracking
  • 99.95% SLA
  • EU data center
  • Event webhooks

Small Business

$15/mo + usage overages

For growing digital businesses

sales
3,000/mo
validations
500/mo
  • Unlimited VAT Rates
  • VAT Validations with overage pricing
  • VAT Sales tracking
  • 99.95% SLA
  • EU data center
  • Event webhooks

Enterprise

$150/mo + usage overages

For large-scale operations

sales
3,000/mo
validations
15,000/mo
  • Unlimited VAT Rates
  • VAT Validations with overage pricing
  • VAT Sales tracking
  • 99.95% SLA
  • EU data center
  • Event webhooks

What Vatstack does

The capabilities that matter for tax software, normalised so it lines up with every alternative. “-” means we haven't confirmed it, not that it's missing.

Capabilities
Real time checkout calculation API
Economic nexus jurisdiction tracking
Automated return filing and payment
Exemption certificate management B2B
US sales tax address validation
EU vat cross border calculation
Digital goods software tax rules
ERP netsuite sap integration
Shopify stripe native integration
SOC2 type ii
ISO 27001
Pricing model
Flat subscription
Independently observed

Platform & deployment

Independently observed
Platforms
  • Web
Deployment
  • Cloud / SaaS

Integrations (1)

Independently observed
  • Stripe

Vatstack alternatives

Other tax software we track, ranked by the same independent score.

All Vatstack alternatives, ranked →

Compare Vatstack

Side by side against other tax software, attribute by attribute, with a source on every value.

Independent · unbought · dated

The Vioscale score: one lens on the evidence

Not user reviews and not a paid placement: a confidence-weighted blend of the independent signals below (adoption, activity, security posture, and more), which you can sort and re-weight yourself. Vendors can correct their listing but can never move their rank, and stars are weighted low as a vanity metric. It is one way to read the evidence for Vatstack, not the verdict.

Balanced composite 72 / 100
medium · 55%updating
Signal contributions to the composite score
SignalScoreWeightContributionEvidence
Pricing transparency1000.088.4
Price level1000.055.2
Capabilities810.054.0
Reliability480.073.5
Integrations90.040.4
Security posture50.070.0-

Computed . Re-weight it by intent, or see the full method.

All data & sourcesshow ↓

Every value we hold, with its source, retrieval date, and confidence. This is the evidence behind the score: don't trust it, verify it.

Features

AttributeValueEvidence
CapabilitiesIso 27001: No · Soc2 type ii: No · Pricing model: flat_subscription · Erp netsuite sap integration: No · Eu vat cross border calculation: Yes · Us sales tax address validation: Nomediumsource · 2026-08-24 · 60%

Integrations

AttributeValueEvidence
Count1mediumsource · 2026-08-24 · 60%

Market

AttributeValueEvidence
AvailabilityPrimaryMarkets: … · AvailabilityScope: global · AvailableCountries: … · NotAvailableCountries: …highsource · 2026-08-24 · 75%

Pricing

AttributeValueEvidence
Free tierYesmediumsource · 2026-08-24 · 60%
Modelfreemiummediumsource · 2026-08-24 · 60%
Price levelfreemediumsource · 2026-08-24 · 60%
Starting priceAmount: 0 · Currency: USDmediumsource · 2026-08-24 · 60%
TransparentYesmediumsource · 2026-08-24 · 60%

Reliability

AttributeValueEvidence
Sla pct99.95mediumsource · 2026-08-24 · 60%

Security

AttributeValueEvidence
GdprYeshighsource · 2026-08-24 · 75%