{"uid":"cap_qfC6GYFWo0SxuCbVOEfyG","slug":"compound-growth-future-value-calculator-696589c0","name":"Compound Growth Future Value Calculator","description":"Future value with compounding and optional regular contributions — Genesis402 / UnyKorn Operator Network","url":"https://twin.unykorn.org/compound-growth?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"params":{"type":"object","properties":{"rate":{"type":"string"},"years":{"type":"string"},"periods":{"type":"integer","minimum":0},"principal":{"type":"string"},"contribution":{"type":"string"}}}}},"responseSchema":{"type":"json","example":{"ok":true,"type":"compound-growth","receipt":{"tx_hash":"0x<64hex>","amount_usd":0.002,"receipt_id":"g402-<16hex>"},"generated_at":"<iso8601>"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_3gWEQLwbMHMEre4miqEKG","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Calculates the future value of an investment with compounding interest and optional regular periodic contributions","exampleAgentPrompt":"What will $5,000 grow to if I invest it at a 7% annual rate for 10 years, compounded monthly, and add $200 every month?","exampleUseCases":[{"title":"Retirement savings projection","prompt":"I have $25,000 in my retirement account right now and I plan to contribute $500 a month. Assuming a 6% annual return compounded monthly, how much will I have after 30 years?"},{"title":"College fund planning","prompt":"If I put $10,000 in a college fund today at 5% annual interest compounded quarterly and add $150 every quarter, how much will it be worth in 18 years?"},{"title":"Lump sum growth without contributions","prompt":"I have $50,000 to invest at a 4.5% annual rate compounded annually. What will it be worth in 15 years if I don't add anything extra?"}],"resultDescription":"Returns a JSON object confirming the computation type as 'compound-growth', the calculated future value result, a blockchain receipt with transaction hash, USD amount paid, and a unique receipt ID, along with an ISO 8601 timestamp of when the result was generated.","failureModes":["Invalid or non-numeric values for rate, principal, or contribution strings causing computation failure","Negative or zero periods causing a minimum constraint violation (periods minimum: 0)","Payment failure via x402 protocol resulting in 402 response before computation runs","Missing required parameters such as rate or years returning an error response","Malformed request body not conforming to the nested params object structure"],"whenToPreferThis":"Choose this endpoint when you need a pay-per-call, auditable compound interest calculation with blockchain receipt proof — ideal for agent workflows requiring verifiable financial computations without maintaining your own math infrastructure. Prefer over building custom logic when you need both the calculation and an immutable on-chain receipt in a single call. Best suited for scenarios where the $0.002 per-call cost is acceptable and auditability matters.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T18:55:50.929Z","isFirstParty":false,"canonicalSlug":"compound-growth-future-value-calculator-696589c0"}