{"uid":"cap_7Ro6LWSGi11FqP1nGQ_hp","slug":"freelancer-invoice-total-calculator-76c6c683","name":"Freelancer Invoice Total Calculator","description":"Freelancer Invoice total calculator: Calculate a line-item subtotal, user-supplied tax rate, and total. Tailored for freelancer workflows.","url":"https://market.datapackvibe.com/x402/invoice-total-freelancer?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"items":{"type":"array","items":{"type":"object"},"default":[{"quantity":2,"unit_price":12.5},{"quantity":1,"unit_price":8}]},"tax_rate_percent":{"type":"number","default":0}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_MgWtE_UZmvg0lN0_nKHUF","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Calculates a line-item subtotal, applies a user-supplied tax rate, and returns the final invoice total — optimized for freelancer billing workflows.","exampleAgentPrompt":"Can you calculate my freelance invoice total? I have two line items: 2 units at $12.50 each and 1 unit at $8.00, and I need to apply a 10% tax rate.","exampleUseCases":[{"title":"Single client project invoice","prompt":"I finished a freelance project and need to bill my client — I have 3 hours of design work at $75 each and 1 rush delivery fee at $50. Can you calculate the subtotal and total with 8.5% tax?"},{"title":"Monthly retainer invoice with no tax","prompt":"I'm invoicing my retainer client for this month: 10 hours at $120 per hour and 5 hours at $95 per hour. No tax applies — can you give me the subtotal and final total?"},{"title":"Multi-service invoice with tax","prompt":"Help me total up my freelance invoice: I have 4 blog posts at $200 each, 2 social media packages at $350 each, and 1 strategy session at $150. Apply a 7% tax rate and tell me the full amount due."}],"resultDescription":"Returns a computed breakdown including the line-item subtotal (sum of quantity × unit_price for each item), the calculated tax amount based on the supplied tax_rate_percent, and the final total (subtotal + tax). Enables freelancers to produce accurate client-facing invoice amounts without manual math.","failureModes":["Missing or empty items array — calculation cannot proceed without at least one line item","Negative quantity or unit_price values — may produce incorrect or negative subtotals","Tax rate outside reasonable bounds (e.g. >100%) — accepted but produces unintuitive results","Malformed item objects missing quantity or unit_price fields — may result in NaN or zero values","Non-numeric tax_rate_percent — likely causes a validation or computation error"],"whenToPreferThis":"Choose this endpoint when you need a quick, structured computation of invoice totals specifically for freelance billing scenarios — particularly when you have multiple line items with varying quantities and prices and need tax applied at a flat rate. It is ideal for agents automating freelance invoicing workflows, generating client-ready totals, or verifying billing math without building custom logic.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T06:48:24.953Z","isFirstParty":false,"canonicalSlug":"freelancer-invoice-total-calculator-76c6c683"}