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SALES TAX ENGINE

Pricing that scales with you

Start free. Scale when your agents do. No contracts, cancel anytime.

Monthly
Annual Save 20%
Need trade tracking too? View Bundle Pricing →
Free
$0forever

Explore the API. Build a proof of concept.

100 tax calculations / month
All tax calculation endpoints
50-state rate lookups
Hard cutoff at limit
MOST POPULAR
Starter
$25/mo

For teams shipping AI agents that buy or sell.

10,000 tax calculations / month
All tax calculation endpoints
1099 threshold tracking
Nexus detection
Transaction history & export
Hard cutoff at limit
Email support
Growth
$99/mo

For platforms with growing agent transaction volume.

100,000 tax calculations / month
Everything in Starter
Exemption certificate management
1099 reporting
Multi-entity support
$0.01/call overage
Priority support
Pro
$199/mo

For high-volume platforms processing at scale.

1,000,000 tax calculations / month
Everything in Growth
Bulk transaction processing
Custom tax rules
$0.005/call overage
Dedicated support
Enterprise
Custom

Custom volume, custom rules, dedicated support.

Custom calculation volume
Everything in Pro
Dedicated account manager
SLA guarantee
Custom integrations
On-call support

Questions

What happens if I go over my limit?
Free tier hits a hard cutoff — upgrade to keep going. Paid tiers allow continued usage with overage billing at the end of the cycle.
Can I switch plans?
Yes. Upgrade or downgrade anytime. Changes take effect on your next billing cycle.
Do I need a credit card for Free?
No. Sign up with just an email and get your API key instantly.
What counts as an API call?
Each request to /calculate, /verify, or /nexus counts as one call. Rate lookups (/rates) and health checks are free and unlimited.
Can I use both products?
Yes! We offer the Sales Tax Engine and Capital Gains Tracker separately or bundled at a discount. Check out our Bundle Pricing for combined plans.
AgentTax
Tax intelligence for AI-driven commerce. 50-state coverage, verified daily.

© 2026 Agentic Tax Solutions LLC. Tax rates verified daily against Tax Foundation, Sales Tax Institute, state DOR websites, Anrok, TaxJar, TaxCloud, and Kintsugi. AgentTax provides tax calculations for informational purposes only. Consult a qualified tax professional for compliance decisions.