{"uid":"cap_9nFME4Slw5K1j4NkK_yT4","slug":"blackbobs-ai-sales-tax-calculator-d1de38bb","name":"BlackBobs.ai Sales Tax Calculator","description":"194 production-ready API endpoints. AI, Search, Social, Finance, Crypto. Pay-per-call with x402 on Base chain.","url":"https://blackbobs-ai.vercel.app/api/sales-tax-calculator","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"result":{"type":"object","description":"API response data"}}},"responseSchema":{"type":"object","example":{"result":{"data":"example response"}},"properties":{"result":{"type":"object","description":"API response data"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.186778","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":"$0.186778/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.186778","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.186778","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_E323bnwa0VsXgLXGKCMIq","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.186778","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Calculates sales tax for a given transaction, returning applicable tax rates and amounts","exampleAgentPrompt":"Can you calculate the sales tax on a $150 purchase made in Austin, Texas — I need to know the exact tax amount and total price with tax included.","exampleUseCases":[{"title":"E-commerce checkout tax calculation","prompt":"I need to calculate the sales tax on a $349.99 electronics purchase shipping to a customer in Seattle, Washington — what's the tax amount and final total?"},{"title":"Small business invoice compliance","prompt":"What's the sales tax I need to add to a $2,500 service invoice for a client based in Chicago, Illinois so I can make sure my billing is compliant?"},{"title":"Multi-state sales tax comparison","prompt":"Can you tell me the sales tax rate for a $500 purchase in New York City versus Miami, Florida so I can compare the total cost to my customer in each location?"}],"resultDescription":"Returns a result object containing the computed sales tax rate, the tax amount for the given transaction, and potentially a breakdown by jurisdiction (state, county, city). The response follows the standard envelope with a 'result' containing the data object.","failureModes":["Missing or invalid location input returns an error or empty result","Unsupported jurisdiction or region not covered by the tax database","Malformed request body causes a 400-level error","Network or upstream service timeout returns a 5xx error","Ambiguous location (e.g. city name without state) may return incorrect or no results"],"whenToPreferThis":"Choose this endpoint when you need a quick, pay-per-call sales tax computation without committing to a subscription-based tax service. It is well-suited for AI agents handling ad-hoc invoice generation, e-commerce checkout enrichment, or financial calculations where exact tax compliance is needed on-demand and cost-per-call pricing via x402 on Base chain is acceptable.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:43:45.658Z","isFirstParty":false}