Jurisdictions
Discover which taxes exist where, then fetch everything in force for one jurisdiction.
List jurisdictions
GET/v1/jurisdictions
Returns the federal jurisdiction, the 50 states and DC, each with the tax programs we track for it.
Response (abridged)
{
"data": [
{
"code": "US-WA",
"state": "WA",
"name": "Washington",
"level": "state",
"has_wage_income_tax": false,
"taxes": [
{ "tax_code": "US-WA:SUI", "tax_type": "state_unemployment", "short": "SUI", "name": "Washington Unemployment Insurance", "label": "State unemployment insurance" },
{ "tax_code": "US-WA:PFML", "tax_type": "state_paid_family_leave", "short": "PFML", "name": "Washington Paid Family and Medical Leave", "label": "Paid family & medical leave" }
]
}
],
"meta": { "request_id": "req_…", "processing_ms": 9, "api_version": "2026-10-01" }
}Get one jurisdiction
GET/v1/jurisdictions/{code}
| Parameter | Type | Description |
|---|---|---|
coderequired | path | US for federal, or a state as CA or US-CA. |
date | YYYY-MM-DD | Return versions in force on this date. Defaults to today. |
bash
curl "https://tax-api-dev.itensiahr.com/v1/jurisdictions/CA?date=2025-07-01" -H "Authorization: Bearer $ITX_API_KEY"The response has the same tax objects as the rates lookup, without applies_to.