{"uid":"cap_NGsCLeIcA-JX3ClLwDX6G","slug":"apr-to-apy-converter-98cbca5a","name":"APR to APY Converter","description":"A curated directory of x402 services — each one on the list on purpose, with the health, uptime, and independent trust grades from across the ecosystem gathered in one place.","url":"https://api.24klabs.ai/api/apr-apy-converter","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"rate":{"type":"number"},"direction":{"type":"string"},"principal":{"type":"number"},"compounds_per_year":{"type":"number"}}},"responseSchema":{"type":"json","example":{"apr_pct":12,"apy_pct":12.68,"projected_value":1126.83}},"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_FuOpLnoZKNeH3cxFGuTlw","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":"Converts an Annual Percentage Rate (APR) to Annual Percentage Yield (APY) and computes projected future value given a principal amount.","exampleAgentPrompt":"What's the APY on a 12% APR compounded monthly, and if I put in $1,000 what would it be worth after a year?","exampleUseCases":[{"title":"DeFi yield comparison for staking","prompt":"I'm looking at a staking pool offering 18% APR — what's the actual APY I'd be earning, and what would $5,000 grow to over a year?"},{"title":"Savings account effective yield check","prompt":"My bank advertises a savings account at 4.5% APR. Can you tell me what the real APY is and how much $10,000 would become after 12 months?"},{"title":"Crypto lending rate evaluation","prompt":"A lending protocol is offering 9.75% APR on USDC deposits. What does that work out to in APY terms and what's the projected value on a $2,500 deposit?"}],"resultDescription":"Returns a JSON object with the input APR as a percentage, the computed APY as a percentage (accounting for compounding), and a projected end-value given the principal — e.g. {\"apr_pct\": 12, \"apy_pct\": 12.68, \"projected_value\": 1126.83}.","failureModes":["Missing or invalid APR input returns an error","Negative interest rate values may produce unexpected results","Very large or very small compounding frequencies could cause computation edge cases","Non-numeric principal values will likely return a validation error"],"whenToPreferThis":"Use this endpoint whenever you need to accurately translate a nominal APR into its effective APY equivalent, especially in financial, DeFi, or savings contexts where compounding matters. Prefer this over manual calculation when you also need a projected end-value for a given principal, saving multiple computation steps in one call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T19:02:30.887Z","isFirstParty":false}