Calculate Sales Tax by Address API
TaxLite helps you calculate sales tax by address with an API designed for address-level jurisdiction matching, plus reporting and filing-ready exports from recorded transactions.
- Address-level matching: city/county/special district boundaries handled.
- Production flow: calculate at checkout, then record the paid sale.
- Simple onboarding: self-serve trial keys and a live tester.
Example: calculate by address
curl -X POST https://taxlite.io/api/calculate \
-H "Content-Type: application/json" \
-H "x-company-key: tl_trial_your_key" \
-d '{
"state_code": "WA",
"address": "701 5th Ave",
"city": "Seattle",
"zip_code": "98104",
"taxable_base_cents": 10000
}'Note: TaxLite currently supports general US sales tax only (no VAT/excise/income tax).