Saylor Innovations Earth and Spa x402 REST usage
Upcoming asteroid and comet close approaches to Earth (NASA CNEOS) - date, distance, velocity and size
saylorinnovations.com · 470 listed services · provider site
Upcoming asteroid and comet close approaches to Earth (NASA CNEOS) - date, distance, velocity and size
Search HCPCS Level II medical billing codes (CMS) by description words or code prefix
Clinical trial search on ClinicalTrials.gov by condition, drug, sponsor, location, status and phase
EU public procurement tender search (TED) - title, buyer, CPV codes, publication date and deadline
SaaS unit economics - LTV, LTV:CAC and CAC payback months from ARPA, margin, churn and CAC
Running split calculator for even-pace race planning - pace, split time and split count
Fossil taxon lookup (Paleobiology Database) - classification, occurrences and geological age range
SHA-256 hash of any text, plus SHA-1, SHA-512 and MD5 - send text, get the hash digest as hex or base64
BTC and ETH options implied volatility index (Deribit DVOL) - current level, 24h change and regime
BTC and ETH options max pain strike for an expiry, with put/call open interest ratio
BTC and ETH options chain for an expiry - strike, type, implied volatility, open interest and volume
Geocode a street address or landmark to latitude and longitude - up to five ranked results with country, region and type (OpenStreetMap)
Cron expression explained in plain English with the next run times in any time zone - validates a 5-field cron and handles DST
Status of 16 cloud and SaaS providers in one call - operational vs degraded
Aurora chance at any location from NOAA OVATION, with Kp index, 3-day forecast and storm outlook
Rolling visa stay-days calculator - days used, days remaining and over-allowance flag from trip dates
Grant fit score - eligible-cost ceiling, required cash match, match gap and request-to-budget risk
Debt payoff calculator - payoff months, total interest and impossible-payment flag from balance, APR and payment
Credit utilization calculator - overall and per-card utilization plus paydown needed for a target percent
Video frame count and frame interval from frame rate and duration
Average video bitrate calculator from duration and file size - Mbps and kbps
Electric vehicle range estimate from battery capacity, consumption and reserve - kilometers and miles
University directory search by name, country or domain - ~9,900 institutions with websites and domains
x402 endpoint validator - checks a URL returns a well-formed 402 challenge with valid accepts per network
Video pixel count calculator - total pixels, megapixels and aspect ratio
Veterinary adverse-event reports (openFDA) by animal species and drug ingredient - totals and top reactions
UK property sale history by postcode (HM Land Registry) - price, date, address and property type
Open Trivia DB category ids and names, for filtering trivia questions
All U.S. State Department travel advisories, optionally filtered by level
Tip, tax and total bill calculator from subtotal, tax rate and tip rate
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