US Sales Tax Economic Nexus Check
Which US states must a remote seller register in for sales tax? Every state's nexus rule. Sourced.
| Endpoint | https://us-sales-tax-nexus.nerolabs.workers.dev/mcp (streamable-http) |
|---|---|
| Registry version | 1.0.0 |
| Now | 4 tools · grade C (79) · pin ts_fb221d2bbe3f3941047bd0e7cc02cdc1 · protocol 2025-06-18 |
| First / last listed | 2026-11-07 00:42 UTC / 2026-11-07 00:42 UTC |
| Grade over time | 2026-11-07: C (79), 4 tools |
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Tools: list_capabilities check_economic_nexus list_nexus_thresholds list_upcoming_nexus_changes
list_capabilities | Lists coverage (45 sales tax states plus DC, and the 5 states with no statewide sales tax), the date the data was last checked, and related Nero Labs Rules servers. Free. params: none |
check_economic_nexus | Checks which US states a remote seller (no office, staff or stock in the state) must register in to collect sales tax, from its sales into each state. Give sales_by_state with the dollar sales and number of transactions (orders) per state, the period those figures cover, and whether they include sales made through marketplaces such as Amazon or Etsy. Returns states where the seller is over the eco params: sales_by_state*, period, includes_marketplace_sales, date, show_all_states |
list_nexus_thresholds | Lists the economic nexus threshold of every US sales tax state (or one state) on a date: dollar and transaction thresholds, and/or logic, measurement period, what counts, marketplace rules, when to register and the official source. Also lists the states with no statewide sales tax. Free. params: state, date |
list_upcoming_nexus_changes | Lists economic nexus threshold changes in a date window (for example states dropping the 200 transaction test), soonest first, with the old and new rule and source. Use a past from_date to see recent changes. Free. params: from_date, days |
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