Check US sales tax economic nexus thresholds and whether a seller has crossed them (premium only)
curl -X POST https://api.orthogonal.com/v1/run \
-H 'Authorization: Bearer orth_live_••••' \
-H 'Content-Type: application/json' \
-d '{
"api": "api-ninjas",
"path": "/v1/salestaxnexus",
"method": "GET"
}'
$0.0010per call
API-wide: 96.3% success · 173 ms median · 30 days
About this endpoint
Returns economic nexus thresholds for US states. Call it with no sales figures as a reference lookup, or supply sales figures to get a determination. Omit the state parameter to evaluate all 50 states and DC in one call. Any 'nexus' or 'no_nexus' determination is provable from the figures supplied. Where the inputs cannot settle the question, the endpoint returns 'indeterminate' with a required_input array rather than guessing, because states measure different quantities: taxable sales are a subset of retail sales, which are a subset of gross sales. Economic nexus only. Physical presence is not evaluated. This is reference data, not tax advice.
Query parameters
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