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Saylor Innovations Loan Amortization Calculator
x402
Saylor Innovations Loan Amortization Calculator is a paid API for AI agents from saylorinnovations.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-17).
Calculates a full loan amortization schedule including monthly payment, total interest, payoff timeline, first 12 monthly payment details, and savings from an optional extra monthly payment
Price / call$0.01
Success—
StatusUnknown
How this service works
Loan amortization schedule calculator - monthly payment, total interest, payoff time and first 12 payments, with savings from an extra monthly payment
Output
A JSON object containing the computed monthly payment, total interest paid, total amount paid, payoff duration in months, a breakdown of the first 12 monthly payments (principal, interest, balance per month), a yearly summary array showing cumulative principal paid, interest paid, and remaining balance per year, plus optional fields for extra payment and savings when an extra payment is provided.
Example use cases
Mortgage payment planning
“I'm about to close on a $400,000 home loan at 7.1% for 30 years — what will my monthly payment be, how much interest will I pay in total, and can you show me the first year's payment breakdown?”
Extra payment savings analysis
“I have a $25,000 car loan at 5.9% over 5 years. If I pay an extra $100 every month, how much sooner will I pay it off and how much interest will I save?”
Comparing loan term scenarios
“Run an amortization schedule for a $180,000 student loan consolidation at 4.5% over 20 years so I can see the monthly payment and total interest before I decide whether to refinance.”
Technical details
Endpoint
GEThttps://saylorinnovations.com/api/calc/amortization?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a complete loan amortization schedule with month-by-month and year-by-year breakdowns, especially when you also want to quantify the impact of extra monthly payments. It is ideal for financial planning agents handling mortgage, auto loan, or personal loan scenarios where the user wants both a payment figure and a full repayment timeline rather than just a simple monthly payment estimate.
Side effects
- Missing required query parameters (principal, rate, or years) returns an error response
- Non-numeric values for principal, rate, or years cause a computation error
- Extremely large principal or interest values may produce unexpected results
- Zero or negative principal/rate/years may return an error or nonsensical schedule
- Payment gateway failure (x402) if USDC balance is insufficient returns a 402 status
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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