Address-Level Sales Tax API

If you need accuracy around city/county/special-district boundaries, you want an address-level sales tax API—not ZIP-level approximations.

• Boundary-safe: built for real-world edge cases where ZIPs cross jurisdictions.
• Filing-ready exports: reports bucketed the way returns want them.
• Developer-first: self-serve keys, transparent pricing, fast integration.

Quickstart

curl -X POST https://taxlite.io/api/calculate \
  -H "Content-Type: application/json" \
  -H "x-company-key: tl_trial_your_key" \
  -d '{
    "state_code": "TX",
    "address": "609 Main St",
    "city": "Houston",
    "zip_code": "77002",
    "taxable_base_cents": 10000
  }'

Try it live

Use the live tester on the homepage:

Open the live tester →