Exact loan, savings, growth, break-even and cash-flow calculations for agents, with no model guesswork.
payments ON MAINNET (real money) · 9 live endpoints
| Endpoint | Price | What it answers |
|---|---|---|
GET /break-even | $0.02 | Break-even units and revenue from fixed costs, unit price and unit variable cost, plus profit at a target volume. |
GET /compound-interest | $0.02 | Future value of savings with compounding and monthly contributions: balance, contributions, interest earned, by year. |
GET /loan-payment | $0.02 | Loan payment, total interest and amortization preview from principal, annual rate and term, monthly or other frequency. |
GET /mortgage-affordability | $0.02 | Home price you can afford under the 28/36 rule from income, monthly debts, down payment, rate and term. |
GET /npv-irr | $0.02 | Net present value and internal rate of return (IRR) for a list of cash flows, with a clear accept/reject-at-rate verdict. |
GET /pay-convert | $0.02 | Convert pay between hourly, weekly, biweekly, monthly and annual for a given hours per week and weeks worked. |
GET /roi-cagr | $0.02 | Return on investment and compound annual growth rate (CAGR) from a start value, end value and years held. |
GET /rule-of-72 | $0.02 | Years to double money at a growth rate (exact and by the rule of 72), and how long inflation takes to halve buying power. |
GET /savings-goal | $0.02 | Monthly saving needed to reach a goal by a date, given what you already have and an expected annual return. |
GET /catalog returns this list as JSON. Activity hub · uptime.
Results are arithmetic on the numbers you supply, computed locally and provided as is. They are illustrations, not financial, tax or investment advice, and ignore fees, taxes and inflation unless stated. Verify with a qualified professional before relying on them. Every paid response carries a disclaimer field.