{"uid":"cap_mz9rL2TQENsZKGrvoKjSn","slug":"numora-internal-rate-of-return-irr-calculator-dc3ca101","name":"Numora Internal Rate of Return (IRR) 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://numorapoi.orbonomy.xyz/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":"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":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_tau6EOgXfCZXq2sZIPQDh","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","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","exampleAgentPrompt":"Calculate the IRR for an investment with these cash flows: -100000 initial outlay, then 30000, 40000, 50000, and 20000 over the following four years.","exampleUseCases":null,"resultDescription":"Returns a JSON object with 'success' (boolean), 'result' (object containing the computed IRR value as a decimal or percentage), and 'computation' (a human-readable description of what was computed, e.g. 'Internal rate of return for 5 cash flows').","failureModes":["No real IRR exists (all-positive or all-negative cash flows yield no root) — returns error or NaN","Non-convergence if the iterative solver fails to find a root within tolerance — may return error","Empty or single-element cashflows array — likely returns validation error","Malformed input array (non-numeric values) — returns 400 or error response","Payment required (HTTP 402) if x402 micropayment header is missing or invalid"],"whenToPreferThis":"Choose this endpoint when you need a fast, dependency-free computation of IRR from a cash flow array without setting up a financial library or runtime. Ideal for AI agents performing capital budgeting, investment comparison, or project evaluation that need a pure-math backend with micropayment pricing and no API key management overhead.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:52:10.754Z","isFirstParty":false}