{"uid":"cap_K-Bv4ONpfWM0qqAIHTT65","slug":"24k-labs-sales-tax-vat-calculator-020fd48f","name":"24K Labs Sales Tax & VAT Calculator","description":"A curated directory of x402 services — each one on the list on purpose, with the health, uptime, and independent trust grades from across the ecosystem gathered in one place.","url":"https://api.24klabs.ai/api/sales-tax-vat-calculator","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"mode":{"type":"string"},"amount":{"type":"number"},"region":{"type":"string"}}},"responseSchema":{"type":"json","example":{"net":100,"tax":20,"gross":120,"rate_pct":20}},"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_0JDUVToW6R7JNUsLcyuRZ","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":"Calculates sales tax or VAT for a given net amount, returning the tax amount, gross total, and applicable rate percentage.","exampleAgentPrompt":"Calculate the sales tax and gross total for a net amount of $250 at a 20% VAT rate, and give me the net, tax, and gross breakdown.","exampleUseCases":[{"title":"E-commerce checkout tax display","prompt":"I need to show a customer their total before checkout — the cart subtotal is $89.99 and I need to add 8.5% sales tax. What are the net, tax amount, and gross total?"},{"title":"EU VAT invoice line item","prompt":"Generate a VAT breakdown for an invoice line item with a net price of €500 at the standard 20% UK VAT rate — I need the tax amount and gross total to put on the invoice."},{"title":"SaaS pricing page tax estimate","prompt":"A user in Germany wants to know what they'll actually pay for a $49 subscription — calculate the gross price including 19% German VAT and show me the tax amount separately."}],"resultDescription":"A JSON object containing the original net amount, the calculated tax amount, the gross total (net + tax), and the tax rate as a percentage (e.g. {\"net\":100,\"tax\":20,\"gross\":120,\"rate_pct\":20}).","failureModes":["Missing or invalid net amount returns an error","Invalid or missing tax rate causes calculation failure","Non-numeric inputs rejected with validation error","Negative net amounts may return an error or unexpected results","Rate expressed as decimal vs percentage may cause incorrect output if format is mismatched"],"whenToPreferThis":"Use this endpoint when you need a quick, reliable computation of tax-inclusive pricing for invoices, checkout flows, or financial summaries and you want a structured JSON response with net, tax, and gross fields. Prefer this over building the arithmetic inline when you need auditable, consistent tax calculations in an agent workflow, especially when chaining with invoice generation or payment processing steps.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:54:03.227Z","isFirstParty":false}