{"provider":{"host":"finance.openverbs.com","name":"Simple / compound interest","score":69.9,"live":true,"checkedAt":"2026-10-27T19:14:10.932Z","uptime72h":100,"lastCheck":{"httpStatus":402,"ms":633,"note":"valid x402 v2 terms"},"endpoints":6,"networks":["eip155:8453"],"cheapestUsd":"0.004","income7dUsd":"21.821","payers7d":28,"transfers7d":1470,"payoutAddressShared":true,"claimed":false,"page":"https://logicnodes.io/observatory/p/finance.openverbs.com"},"endpoints":[{"url":"https://finance.openverbs.com/v1/future-value","method":"POST","priceMicroUsd":4000,"networks":["eip155:8453"],"description":"Future value of a present sum and/or a level annuity, given a per-period rate and number of periods. Set dueAtBeginning=true for an annuity-due (payments at the start of each period)."},{"url":"https://finance.openverbs.com/v1/interest","method":"POST","priceMicroUsd":4000,"networks":["eip155:8453"],"description":"Grow a principal by simple or compound interest over a number of years. Compound interest uses compoundsPerYear compounding periods (default 12, monthly)."},{"url":"https://finance.openverbs.com/v1/irr","method":"POST","priceMicroUsd":4000,"networks":["eip155:8453"],"description":"Internal rate of return (per period) of a series of cash flows, solved with a bounded bisection. Requires at least one positive and one negative flow; flows with no sign change or no bracketable root are rejected as a clean 400."},{"url":"https://finance.openverbs.com/v1/loan","method":"POST","priceMicroUsd":4000,"networks":["eip155:8453"],"description":"Compute the level monthly payment, total paid and total interest of a fully-amortizing loan. Handles a 0% rate. Set schedule=true to also return the full month-by-month amortization table."},{"url":"https://finance.openverbs.com/v1/npv","method":"POST","priceMicroUsd":4000,"networks":["eip155:8453"],"description":"Net present value of a series of cash flows discounted at a per-period rate. cashflows[0] is the time-0 flow (typically the initial outlay, negative)."},{"url":"https://finance.openverbs.com/v1/present-value","method":"POST","priceMicroUsd":4000,"networks":["eip155:8453"],"description":"Present value of a future sum and/or a level annuity, given a per-period rate and number of periods. Set dueAtBeginning=true for an annuity-due."}]}