{"slug":"credit-card-payoff","name":"Credit Card Payoff Calculator","category":"fortune","tags":["protecting","spending"],"tagline":"How long your balance really takes to clear — and the minimum-payment trap in numbers.","endpoint":"https://xearno.tools/api/v1/tools/credit-card-payoff","page":"https://xearno.tools/t/credit-card-payoff","description":"Months and total interest to pay off a credit card balance at your APR and monthly payment, with the concrete payoff acceleration from paying more — the math credit card statements are legally required to hint at and everyone ignores.","inputSchema":{"type":"object","properties":{"balance":{"description":"Balance","type":"number","minimum":1,"default":6000},"apr":{"description":"APR (%)","type":"number","minimum":0,"maximum":60,"default":24},"payment":{"description":"Monthly payment","type":"number","minimum":1,"default":200}},"required":[],"additionalProperties":false},"methodology":["Month-by-month simulation: interest accrues at APR/12 on the running balance, the payment is applied, repeat until zero. If the payment does not exceed the first month's interest, the balance never falls.","Real cards compound daily and have minimum-payment floors (typically interest + 1% of balance) — the monthly model is within a few dollars and far easier to reason about."],"usage":"POST https://xearno.tools/api/v1/tools/credit-card-payoff with a JSON body matching inputSchema."}