{"uid":"cap_gFKmco-5EiF8GPIgZZIs2","slug":"numora-irr-internal-rate-of-return-calculator-fee54700","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://numormor.netlify.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":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":{"p10Cents":"10.0000","medianCents":"10.0000","p90Cents":"10.0000","minCents":"10.0000","maxCents":"10.0000","p95Cents":"10.0000","sampleCount":1,"varies":false,"failureChargeRate":1},"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_RpN2-PzQe5hql5epNWqf5","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.1","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 mathematical computation","exampleAgentPrompt":"Calculate the IRR for a project with these cash flows: -10000 at year 0, then 3000, 4000, 4000, and 3500 in the following four years.","exampleUseCases":null,"resultDescription":"Returns a JSON object with success status, a result object containing the computed IRR as a decimal or percentage, and a human-readable computation description explaining what was calculated.","failureModes":["No real IRR exists if cash flows never change sign — returns error or NaN","IRR may not 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 cashflows array cause computation failure","All-positive or all-negative cash flows have no valid IRR solution"],"whenToPreferThis":"Use this endpoint when you need a pure server-side mathematical IRR computation with no external data dependencies, especially in agentic workflows requiring micropayment-gated financial math. Prefer over spreadsheet tools when you need a reliable API call, and over general-purpose LLM math when precision is required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:47:20.304Z","isFirstParty":false}