{"uid":"cap_FpUevEazmUh9R3zdBRKJh","slug":"sales-tax-calculator-d7540e59","name":"Sales Tax Calculator","description":"Mega API hub - 118 endpoints covering social media, finance, sports, AI, e-commerce, and more","url":"https://sna4an-mega-v7.vercel.app/api/sales-tax-calculator?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.11","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":"$0.11/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.11","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.11","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ykssekQOWfH65x7srbrXs","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.11","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Calculates applicable sales tax for a given transaction, location, or product type","exampleAgentPrompt":"Can you calculate the sales tax on a $250 electronics purchase in Austin, Texas?","exampleUseCases":[{"title":"E-commerce checkout tax calculation","prompt":"I need to calculate the sales tax for a $349.99 laptop being shipped to a customer in Seattle, Washington — what's the total amount they should be charged including tax?"},{"title":"Multi-state sales tax comparison","prompt":"What are the sales tax rates for a $1,000 software subscription sold to customers in New York, California, and Texas so I can update my pricing page?"},{"title":"Small business invoice tax estimate","prompt":"I'm invoicing a client in Chicago, Illinois for $2,500 worth of consulting services — how much sales tax do I need to add to the invoice?"}],"resultDescription":"Returns the applicable sales tax rate and computed tax amount for the specified transaction, potentially broken down by state and local jurisdiction components, along with the total amount including tax.","failureModes":["Missing required location or amount fields returns a 400 error","Unrecognized jurisdiction or ZIP code may return null or default rate","Empty input schema may cause unpredictable behavior given lack of defined fields","Service may be unavailable or return 402 payment required if payment header is missing","Stale tax rate data may return outdated rates for recently changed jurisdictions"],"whenToPreferThis":"Use this endpoint when you need a quick, paid per-call sales tax computation without setting up a dedicated tax service integration. Best for lightweight e-commerce, invoicing, or compliance checks where occasional lookups are needed and a small per-call cost is acceptable. Not ideal for high-volume batch tax calculations where a subscription-based provider like TaxJar or Avalara would be more cost-effective.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:36:14.394Z","isFirstParty":false,"canonicalSlug":"sales-tax-calculator-d7540e59"}