{"uid":"cap_nUjNmfMaSAqtnI2-MHmCr","slug":"sindri-loan-payment-calculator-42a92a9f","name":"Sindri Loan Payment Calculator","description":"Loan payment calculator. Computes the fixed monthly payment for a standard amortizing loan and returns the full month-by-month principal/interest/balance schedule — exact amortization math an LLM cannot reliably compute by hand for hundreds of periods.","url":"https://x402.outpimp.com/loanPaymentCalculator","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"principal":{"type":"number","description":"Loan principal amount."},"termYears":{"type":"number","default":20,"description":"Loan term in years (1-50). Default 20."},"annualRate":{"type":"number","description":"Annual interest rate, as a fraction (e.g. 0.06 for 6%)."}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ge3E4UfuqiMeA_nM5rPPC","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes the fixed monthly payment for an amortizing loan and returns a full month-by-month amortization schedule with principal, interest, and remaining balance for each period.","exampleAgentPrompt":"Can you calculate my monthly payment and give me the full amortization schedule for a $250,000 mortgage at 6.5% annual interest over 30 years?","exampleUseCases":[{"title":"Mortgage payment planning","prompt":"I'm buying a house and taking out a $400,000 mortgage at 7% annual interest over 30 years — what will my monthly payment be and can I see how the balance decreases month by month?"},{"title":"Car loan breakdown","prompt":"I'm financing a $35,000 car loan at 5.9% annual rate for 5 years. Show me the exact monthly payment and the full amortization schedule so I can see how much goes to interest vs principal each month."},{"title":"Early payoff analysis","prompt":"I have a $150,000 personal loan at 8% annual interest over 10 years. Give me the complete month-by-month amortization table so I can figure out how much principal I'll have paid off by year 3."}],"resultDescription":"Returns the fixed monthly payment amount and a complete amortization schedule listing each period's principal portion, interest portion, and remaining loan balance — covering every month from period 1 through the final payoff.","failureModes":["Missing required fields (principal or annualRate) return a validation error","annualRate provided as a percentage integer (e.g. 6) instead of a fraction (0.06) will produce wildly incorrect results","termYears outside the 1–50 range may return an error or unexpected behavior","Zero or negative principal/rate values may cause computation errors","Network or payment authorization failure returns a 402 or connectivity error"],"whenToPreferThis":"Choose this endpoint when you need mathematically precise, period-by-period amortization schedules that an LLM cannot reliably compute by hand — especially for long loan terms (e.g. 240–360 periods). Prefer it over manual LLM arithmetic whenever the user needs the exact monthly payment figure or a full breakdown of how principal and interest are allocated each month. It is purpose-built for standard fixed-rate amortizing loans.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:48:01.262Z","isFirstParty":false}