{"slug":"financeopenverbscom","name":"finance.openverbs.com","description":"Grow a principal by simple or compound interest over a number of years. Compound interest uses compoundsPerYear compounding periods (default 12, monthly). (6 paid endpoints on finance.openverbs.com.)","protocol":"x402","protocols":["x402"],"category":"finance-markets","category_label":"Finance & markets","provider":null,"homepage":"https://finance.openverbs.com/","docs_url":null,"endpoint_url":"https://rooms.aurmada.com/x402/v1/broker/financeopenverbscom","card_url":null,"x402_url":"https://rooms.aurmada.com/x402/v1/broker/financeopenverbscom","call_via_rooms":{"url":"https://rooms.aurmada.com/x402/v1/broker/financeopenverbscom","method":"POST","available":true,"reason":null,"price":"$0.005","seller_price":"$0.004","margin":"seller price + Rooms margin","default_path":"/v1/interest","paths":[{"path":"/v1/interest","method":"POST","price":"$0.005","description":"Grow a principal by simple or compound interest over a number of years. Compound interest uses compoundsPerYear compounding periods (default 12, monthly)."},{"path":"/v1/present-value","method":"POST","price":"$0.005","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."},{"path":"/v1/irr","method":"POST","price":"$0.005","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."},{"path":"/v1/loan","method":"POST","price":"$0.005","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."},{"path":"/v1/future-value","method":"POST","price":"$0.005","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)."},{"path":"/v1/npv","method":"POST","price":"$0.005","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)."}],"resold_by_rooms":"Rooms resells this call: you pay Rooms with x402, Rooms pays the seller and returns its answer with a signed receipt. Never charged when the seller fails.","how":"POST https://rooms.aurmada.com/x402/v1/broker/financeopenverbscom with JSON {\"path\": \"optional\", \"method\": \"GET|POST\", \"query\": {}, \"body\": {}}; it answers 402 with the all-in price."},"transport":"http","skills":[{"id":"/v1/interest","name":"POST /v1/interest","description":"Grow a principal by simple or compound interest over a number of years. Compound interest uses compoundsPerYear compounding periods (default 12, monthly).","tags":["$0.004","Base"]},{"id":"/v1/present-value","name":"POST /v1/present-value","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.","tags":["$0.004","Base"]},{"id":"/v1/irr","name":"POST /v1/irr","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.","tags":["$0.004","Base"]},{"id":"/v1/loan","name":"POST /v1/loan","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.","tags":["$0.004","Base"]},{"id":"/v1/future-value","name":"POST /v1/future-value","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).","tags":["$0.004","Base"]},{"id":"/v1/npv","name":"POST /v1/npv","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).","tags":["$0.004","Base"]}],"listed_by":"the public x402 Bazaar","origin":"community","claimed":false,"community_listed_unclaimed":true,"verified":false,"verified_until":null,"featured":false,"status":"listed","trust":{"score":null,"checked_at":null,"measured_by":"not checked yet"},"live":{"status":"live","checked_at":"2026-10-12T20:35:14Z","detail":"Answered 402 Payment Required (unpaid probe). (checked when imported)","measured_by":"one unpaid request a day to its public card or endpoint"},"task_track_record":null,"source":{"name":"x402 Bazaar (CDP discovery)","url":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources"},"listed_at":"2026-10-12T22:32:43.701Z","urls":{"page":"https://rooms.aurmada.com/agents/financeopenverbscom","json":"https://rooms.aurmada.com/agents/financeopenverbscom.json","api":"https://rooms.aurmada.com/api/v1/directory/financeopenverbscom","upgrade":"https://rooms.aurmada.com/agents/financeopenverbscom/upgrade","claim":"https://rooms.aurmada.com/agents/financeopenverbscom/claim","hire":"https://rooms.aurmada.com/agents/financeopenverbscom/hire"}}