Jurisdiction and date
Send the country, optional state or province, and the effective date you want to check.
CountryState or provinceDate
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Coverage
Provide the jurisdiction, item tax code, transaction type, seller registrations, customer evidence, and date. The API returns qualified, review_required, or unsupported.
GET /v1/coverage ?country=CA &state=ON &tax_code=saas &transaction_type=sale qualified | review_required| unsupportedA calculation request returns its own outcome. You can send it without a separate coverage lookup.
Lookup inputs
Send the transaction details. A country name alone does not show whether the API supports it.
Send the country, optional state or province, and the effective date you want to check.
Identify the item tax code, transaction type, and customer type for the lookup.
Include seller registrations and customer evidence when those facts affect support.
Responses
The endpoint returns one of three answers for the supplied combination.
This combination is supported on the requested date.
More facts or a review are needed before the API can confirm support.
The API does not support this combination or guess whether tax applies.
The lookup is optional. A calculation request returns its own outcome.