Payoff of any option strategy from its legs - max profit, max loss, breakeven prices, net debit or credit and a payoff table at expiry for spreads and condors

Rental property underwriting: NOI, cap rate, monthly cash flow, cash-on-cash return, DSCR, gross rent multiplier and break-even occupancy from price and rent.

SEC EDGAR full-text search for a phrase, optionally by form type and date range - company, form, filing date, period, SIC, location and document link

Perpetual futures liquidation price for a long or short at any leverage, with the percent move to liquidation, margin, position size and loss at liquidation.

Projectile motion with no drag: range, flight time, peak height, impact speed and angle, the optimal range angle and a trajectory table, with launch height.

Paper impact for PubMed IDs from NIH iCite - citations, Relative Citation Ratio, NIH percentile, expected rate, clinical flags and translation potential

Search NASA Earth science datasets in the CMR - title, short name, version, data center, platforms, time range, spatial extent and landing page

Rent-vs-buy monthly screen - mortgage, tax, insurance, maintenance and HOA compared with rent

Search Figshare research outputs - datasets, code, papers, posters and theses with title, DOI, type, publication date and link, newest first

Total sleep debt over recent nights with a paced recovery plan

Get a domain's backlink profile and authority: DataForSEO domain rank, total backlinks, referring domains and main domains, referring pages, broken backlinks and spam score. For link analysis and competitor research. Unknown domain returns found=false.

Brazil central bank time series - Selic rate, IPCA and IGP-M inflation, USD/BRL, EUR/BRL, CDI and unemployment from Banco Central SGS

Pay-per-call: Signal Sprint Base Gas Price

Core PCE inflation (BEA, monthly): latest print, revisions, surprise — Latest Core PCE inflation print from the BEA via FRED/ALFRED: first-release vs latest value with a revised flag (revisions never pose as print-day numbers), surprise vs a labeled expectation (market-implied when a matching prediction market exists, else trend-model), next monthly release date, and a 12-observation…

Dew point, wet-bulb, absolute humidity and condensation check

Password strength estimate - entropy bits, 0 to 4 score, offline and online crack time, common password and pattern penalties, with suggestions

Fetch one URL from a residential IP and get the raw response as JSON: status, final URL, headers and body (text or base64), up to 10 MB. GET, HEAD or POST, your own headers, an optional country. No JavaScript rendering. You pay for the megabytes delivered; a fetch that fails is not charged. Pay per call in stablecoins.

Get historical cumulative volume data for a market

Housing starts (Census, monthly): latest print, revisions, surprise — Latest Housing starts print from the Census via FRED/ALFRED: first-release vs latest value with a revised flag (revisions never pose as print-day numbers), surprise vs a labeled expectation (market-implied when a matching prediction market exists, else trend-model), next monthly release date, and a 12-observation mini-series.…

Pay-per-call: true402 New Pairs on Base