{"uid":"cap_ZBYrNbgZLGBqPT_7r80B6","slug":"fittings-us-state-sales-tax-rate-9cb27bad","name":"fittings US State Sales Tax Rate","description":"The state-level sales or use tax rate for a US state, with optional tax and total for a subtotal. Excludes county, city and district rates.","url":"https://fittings.sh/v1/tax/us-state-sales-rate","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","required":["state"],"properties":{"state":{"type":"string","description":"State name or two-letter postal code, e.g. CA or California"},"amount":{"type":"number","description":"Optional subtotal to price, 0 to 1000000000"}}}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","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":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_UPzw5eynmhXALmPL88Bna","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the state-level sales or use tax rate for a given US state, with optional computed tax amount and total for a provided subtotal.","exampleAgentPrompt":"What's the state sales tax rate for California, and how much would I owe in tax on a $349.99 subtotal?","exampleUseCases":[{"title":"E-commerce checkout tax estimate","prompt":"What's the state sales tax rate for Texas and how much tax would be added to a $199.99 order?"},{"title":"Multi-state tax compliance comparison","prompt":"Look up the state-level sales tax rates for Florida, Nevada, and Washington so I can compare them."},{"title":"Invoice total calculation for client billing","prompt":"I'm billing a client in New York for $2,500 in services — what's the NY state sales tax and what would the total come out to?"}],"resultDescription":"Returns the state sales tax or use tax rate as a percentage, and when an optional subtotal amount is provided, also returns the computed tax dollar amount and the total (subtotal plus tax).","failureModes":["Invalid or unrecognized state name/code returns an error","Missing required 'state' parameter results in a validation error","Amount outside 0–1,000,000,000 range may be rejected","Only state-level rates returned — county, city, and district taxes are excluded, which may lead to underestimates"],"whenToPreferThis":"Use this endpoint when you need the official state-level sales or use tax rate for a US state, particularly when you need to compute tax on a specific subtotal. Note that this endpoint deliberately excludes county, city, and district rates, so it is best suited for state-only tax lookups or as one component of a broader tax calculation pipeline.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T19:07:10.763Z","isFirstParty":false}