{"uid":"cap_oAvkW-CS0opf2mo_7prtL","slug":"numora-irr-internal-rate-of-return-calculator-00835de0","name":"Numora IRR (Internal Rate of Return) Calculator","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://numormo.vercel.app/api/financial/irr","method":"POST","headers":{},"bodySchema":{"type":"object","required":["cashflows"],"properties":{"cashflows":{"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_d4f8B4J_YjEmMCX4b0XCl","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 the Internal Rate of Return (IRR) for a series of cash flows using pure math computation with no external dependencies","exampleAgentPrompt":"Calculate the IRR for an investment that starts with -$100,000 and then returns $30,000, $40,000, $35,000, and $25,000 over the next four years.","exampleUseCases":[{"title":"Venture capital deal evaluation","prompt":"I'm looking at a startup investment where I put in $500,000 upfront and expect cash flows of $50,000, $120,000, $200,000, $300,000, and $400,000 over five years — what's the IRR on that deal?"},{"title":"Real estate project return analysis","prompt":"Can you calculate the IRR for a real estate project where the initial outlay is $250,000 and the projected annual returns are $20,000, $25,000, $30,000, $35,000, and $280,000 including the sale at the end?"},{"title":"Capital budgeting comparison","prompt":"We're choosing between two equipment purchases — the first costs $80,000 and generates $25,000, $30,000, $28,000, and $22,000 in savings each year. What's the IRR so I can compare it against our 12% hurdle rate?"}],"resultDescription":"Returns a JSON object with a boolean 'success' field, a 'result' object containing the computed IRR value (typically expressed as a decimal or percentage), and a 'computation' string providing a human-readable description of what was calculated.","failureModes":["No real IRR exists if cash flows never change sign — returns error or NaN","IRR fails to converge if cash flows have multiple sign changes (multiple IRR problem)","Empty or single-element cashflows array may return validation error","Non-numeric values in the cashflows array will cause computation failure","All-positive or all-negative cash flow arrays have no valid IRR solution"],"whenToPreferThis":"Choose this endpoint when you need a fast, dependency-free IRR calculation for investment or project cash flow analysis, particularly in agent workflows where you want a reliable numeric result without connecting to a financial data provider or spreadsheet service. Ideal for on-the-fly capital budgeting, comparing investment options, or validating financial models in real time.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:42:06.509Z","isFirstParty":false}