Rbf payback simulator x402 REST usage
Months to repay RBF cap at revenue-share rate and implied APR.
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Months to repay RBF cap at revenue-share rate and implied APR.
CCC and cash freed by improvements.
Returns the best bid and ask with sizes and the observation timestamp for one stock. 404 when the symbol is unknown, 503 when no serviceable quote exists.
Card BIN lookup - network, type (debit, credit, prepaid), brand, issuing bank and country from the first 6-8 digits
XIRR calculator for irregular dated cash flows - annualized return and net cash flow
Rule of 72 doubling-time calculator - approximate and exact years to double
Break-even calculator - contribution margin, break-even units and revenue, and target-profit units
CAGR calculator from start value, end value and years - growth multiple and annual rate
About the .finance top-level domain: registry operator, type (generic, country-code, sponsored), IANA/RDAP details, WHOIS server, creation date, DNSSEC signing status and the registry's nameservers. Registration research...
French address geocoding on the official Base Adresse Nationale (api-adresse.data.gouv.fr, Etalab/IGN, continuously updated). Forward: ?q=8 boulevard du port amiens with optional &type=housenumber|street|locality|municip...
Reported financials for a US-listed company from its SEC 10-K/10-Q filings: revenue, gross profit, operating and net income, diluted EPS, cash flow, capex, free cash flow, assets, liabilities, equity, cash, debt and marg...
Present and future value of a level annuity (equal periodic payments). Supports an ordinary annuity (payments at period end) and an annuity-due (payments at period start).
Compute the monthly (or per-period) payment on a fully-amortizing loan: mortgage, auto, student loan, business loan. Returns the periodic payment, total paid over the term, and total interest. Matches Excel's PMT(rate, n...
Daily official ECB exchange rates for a currency pair over up to 366 days, with min, max, mean and % change. Useful for invoicing, hedging checks and reporting.
Price a fixed-coupon bond from its yield to maturity: present-value the coupons plus face. Returns clean price, coupon per period, current yield, and premium/discount vs par.
Legal Entity Identifier lookup from the GLEIF golden copy, searchable by NAME - knowing the LEI already is the hard part. Returns records[] with lei, legalName, status, jurisdiction, legalAddress and a lapsed flag; LAPSE...
Convert a nominal annual rate (APR) compounded m times per year into the effective annual rate (EAR / APY): (1 + apr/m)^m - 1. Set continuous:true for e^apr - 1.
Build the full per-period amortization schedule for a fully-amortizing loan. Each row reports the period number, payment, the principal vs. interest split for that payment, and the remaining balance after that payment. U...
Break-even point for a product: the units and revenue at which total revenue covers fixed plus variable costs. Also returns contribution margin and margin ratio.
Validate a payment card number (Luhn checksum) and detect the brand. Numbers are not stored or logged.
Financial math. op: "compound" (future value of principal at a rate) or "loan" (monthly payment + total for a loan).
Compute the internal rate of return (IRR) of a cashflow stream - the discount rate at which NPV = 0. Index 0 is treated as t=0 (typically the negative initial investment); indices 1..n are inflows in subsequent periods....
Compute the net present value of a stream of cashflows at a given discount rate. Index 0 is treated as t=0 (today, not discounted); indices 1..n are discounted by (1+rate)^t. Matches Excel's NPV but with the conventional...
Risk-adjusted return: (mean return - risk-free rate) / sample standard deviation of returns (n-1). Pass periodsPerYear to also get the annualized ratio (× sqrt(periodsPerYear)).