Tax & compliance
Calculation
Accurate tax on every line item
Apply the right rate by product type and region, automatically, at invoice time.
• Sales tax, VAT, and GST
• Per–line-item tax codes
• Tax-inclusive or exclusive pricing
• Multi-currency support
Engine
Bring your own tax engine
Connect the provider you already trust — or use built-in rate tables — with no vendor lock-in.
• Connect Avalara, TaxJar, Vertex, Anrok
• Fallback to built-in rates
• Switch providers without a rebuild
• One API, any engine
Compliance
Compliance-ready by default
Keep the records auditors and tax authorities expect, exportable on demand.
• Registration-threshold tracking
• Exemption certificates
• Reverse-charge handling
• Immutable invoice records
How it works
01
Set tax codes
Assign codes to products and regions.
02
Connect an engine
Plug in your provider or use built-in rates.
03
Calculate at invoice
Tax is computed per line item automatically.
03
Report & file
Export clean, per-jurisdiction reports.
Integrations
Everything included
One flat 0.35% — no feature gating, no add-on pricing.
Representative tools — gateways (Stripe, Adyen, Braintree), tax (Avalara, Vertex), and more.
See all integrations →
Frequently asked questions
Features
Migration
Pricing
Why ChaChing
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