{"uid":"cap_HVMsAInrOIbLRXg_EJ-8e","slug":"402utils-us-sales-tax-state-level-base-rates-ee1da0b7","name":"402utils US Sales Tax State-Level Base Rates","description":"US sales tax STATE-LEVEL base rates for the 50 states + DC, as statutory percent. ?state=CA for one state, omit for all. Returns the state-only rate, any mandatory statewide local add-on (CA/UT/VA) and their sum. STATE BASE RATE ONLY — optional city/county/district rates are EXCLUDED and can add several points; not tax advice. Compiled from state statutes, cross-checked against two dated published trackers (asOf field included).","url":"https://402utils.com/v1/us-tax-rates","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","properties":{"state":{"type":"string","description":"USPS two-letter code (e.g. CA, NY, DC). Omit to get all 51 jurisdictions."}},"description":"Query string only."}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","required":["asOf","sources","disclaimer"],"properties":{"asOf":{"type":"string","format":"date"},"name":{"type":"string"},"note":{"type":"string"},"state":{"type":"string","description":"Present when ?state was given."},"states":{"type":"object","description":"Present when ?state was omitted: USPS code → per-state object."},"sources":{"type":"array","items":{"type":"string"}},"stateRate":{"type":"number","description":"State-only statutory rate, percent."},"disclaimer":{"type":"string"},"mandatoryLocalAddon":{"type":"number","description":"Mandatory statewide local add-on, percent (CA 1.25, UT 1.25, VA 1.0, else 0)."},"effectiveMinimumRate":{"type":"number","description":"stateRate + mandatoryLocalAddon."}}}}}}},"responseSchema":{"type":"json","example":{"asOf":"2026-07-01","name":"California","note":"1.25% mandatory statewide county rate → 7.25% floor everywhere","state":"CA","sources":["Compiled from state statutes; cross-checked against Sales Tax Institute (as of 2026-07-01)","Tax Foundation, State and Local Sales Tax Rates 2026 (as of 2026-01-01)"],"stateRate":6,"disclaimer":"State base rate only. Local (city/county/special-district) rates are excluded and can add several percentage points. Not tax advice.","mandatoryLocalAddon":1.25,"effectiveMinimumRate":7.25}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_6de558Sz8PDVeNHO9PXfN","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns statutory state-only sales tax base rates for US states and DC, including mandatory statewide local add-ons and their combined effective minimum rate","exampleAgentPrompt":"What's the statutory state-level sales tax base rate for California, including any mandatory statewide local add-ons and the effective combined minimum rate?","exampleUseCases":null,"resultDescription":"Returns a JSON object with: stateRate (state-only statutory percent), mandatoryLocalAddon (statewide local add-on percent, e.g. 1.25 for CA and UT), effectiveMinimumRate (sum of the two), state name, optional note, asOf date (when data was compiled), and sources array. When querying all states, returns a map of USPS codes to per-state objects. Always includes a disclaimer noting that optional city/county/district rates are excluded.","failureModes":["Invalid or unrecognized state code returns an error or empty result","Network timeout or service unavailability","Payment failure via x402 protocol prevents access","Stale data if state legislature changes rates after asOf date"],"whenToPreferThis":"Use this endpoint when you need quick, programmatic access to US state-level statutory sales tax base rates with mandatory statewide local add-ons. Prefer this over generic tax APIs when you need the statutory rate only (not estimated total rates including local jurisdictions), need all 51 jurisdictions at once, or need a transparent asOf date and source citations. Not suitable when you need city/county/district-level rates or a full tax calculation for a specific address.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T18:49:35.502Z","isFirstParty":false}