{"uid":"cap_vuYhbD1wnRU0kFsBPKhdU","slug":"numora-tax-computation-api-fd1794c0","name":"Numora Tax Computation API","description":"100 pure math computation endpoints for AI agents. Statistics, financial math, linear algebra, equation solving, calculus, number theory, sequence generation, and unit conversions. Zero external dependencies. x402 micropayments on Base.","url":"https://numomo.vercel.app/api/financial/tax","method":"POST","headers":{},"bodySchema":{"type":"object","required":["income","brackets"],"properties":{"income":{"type":"number"},"brackets":{"type":"array"}}},"responseSchema":{"type":"object","required":["success","result","computation"],"properties":{"result":{"type":"object","description":"Computation result varies by endpoint"},"success":{"type":"boolean","description":"Always true on success"},"computation":{"type":"string","description":"Human-readable description of what was computed"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.1","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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":"$0.1/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_4SGEQnVAUCp-SRkDDQdtK","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.1","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes progressive tax liability given income and tax brackets, returning the total tax owed and effective tax rate","exampleAgentPrompt":"Calculate the tax owed on a $95,000 income using US federal 2024 brackets: 10% up to $11,600, 12% from $11,600 to $47,150, 22% from $47,150 to $100,525.","exampleUseCases":[{"title":"Freelancer annual tax estimate","prompt":"I made $72,000 freelancing this year. Using brackets of 10% up to $11,600, 12% up to $47,150, and 22% up to $100,525, how much income tax do I owe?"},{"title":"Salary negotiation tax impact","prompt":"If I get a raise to $130,000, what would my tax bill be under brackets of 10% to $11,600, 12% to $47,150, 22% to $100,525, and 24% to $191,950?"},{"title":"Custom bracket scenario for tax planning","prompt":"Run a tax calculation for $55,000 of income using a flat two-bracket system: 15% up to $30,000 and 25% on everything above that."}],"resultDescription":"Returns a JSON object with success flag, a result object containing total tax owed, effective tax rate, and a per-bracket breakdown, plus a human-readable computation string describing what was calculated.","failureModes":["Missing required field 'income' returns a validation error","Missing or malformed 'brackets' array causes a 400-level error","Non-numeric income value causes schema validation failure","Empty brackets array may return zero tax or an error","Payment failure via x402 micropayment returns a 402 Payment Required response"],"whenToPreferThis":"Choose this endpoint when you need a fast, self-contained, server-side progressive tax computation without relying on external tax databases or jurisdiction-specific APIs. It is ideal for custom bracket structures, hypothetical tax scenarios, financial planning tools, or when you want pure deterministic math with no external dependencies. Prefer it over full tax-filing APIs when you only need the computation, not filing or compliance workflows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:54:35.127Z","isFirstParty":false}