Discover / saylorinnovations.com

Saylor Innovations Library Docs

■ Challenge detected

Current library docs for an npm, PyPI, crates, Go or GitHub package - README sections, version, license and install

Listed price
$0.01
Challenge detected
7 of the last 10 checks
Median response
275 ms
Last checked
17 Oct, 07:50 UTC
In our index since
26 Sept 2026

Endpoint

curl -i https://saylorinnovations.com/api/docs/npm/zod
# 402 Payment Required: pay with an x402 client (USDC on Arbitrum),
# then send the same request again with the payment attached.
1,040 listed endpoints · on x402 Bazaar

Checks and payment terms on this page refer to the endpoint above. Other listed endpoints have not been checked individually.

Base URLhttps://saylorinnovations.com/api

  • GET/calendar/convert$0.01Convert a Gregorian date into the Islamic, Hebrew, Chinese, Persian, Indian, Buddhist, Japanese era, Coptic, Ethiopic and Minguo calendars with Julian day
  • GET/evm/base/call/:address$0.01Base read-only contract call (eth_call) - return data, with reverts reported cleanly
  • GET/gov/contracts$0.01U.S. federal contract and grant awards by recipient (USAspending) - amount, agency, dates and description
  • GET/registry/cpan/:dist$0.01CPAN Perl distribution lookup - latest version, abstract, author, licence, runtime dependencies, downstream dependents and open issues from MetaCPAN
  • GET/movies/film$0.01Film facts from Wikidata - release date, runtime, directors, cast, genres, box office and budget
  • GET/archive/search$0.01Search the Internet Archive for books, audio, films, software and images - title, creator, date, download count, size and item link, sorted by popularity
  • GET/registry/cran/:package$0.01CRAN R package lookup - latest version, title, description, licence, maintainer, imports, depends and suggests, release date from crandb
  • GET/video/pixels?$0.01Video pixel count calculator - total pixels, megapixels and aspect ratio
  • GET/chainlink/ccip/chains$0.01Chainlink CCIP chain selector lookup by chain name, EVM chain id or selector - returns the uint64 selector, chain id and mainnet or testnet network type
  • GET/geo/utm$0.01Convert latitude and longitude to a UTM zone, latitude band, easting and northing with grid reference, or convert UTM coordinates back to WGS84
  • GET/travel/visa-requirements$0.01Visa requirement for a passport and destination country - visa free with day limit, e-visa, on arrival or required - or a full grouped list for one passport
  • GET/calc/date-add$0.01Add days or business days to a date - calendar or weekday offset from a start date, returns the resulting date and weekday
  • GET/archaeology/site$0.01Archaeological and heritage site lookup - description, country, coordinates, designations and links (Wikidata)
  • GET/alerts/germany$0.01Active German civil-protection warnings from NINA - flood, contamination, weather and emergency alerts with severity, urgency, source and validity
  • GET/opendata/france-datasets$0.01Search the French open data portal data.gouv.fr - dataset title, description, publishing organization, license, update frequency, formats, views and link
  • GET/tax/included$0.01Tax-inclusive price calculator - pre-tax amount and embedded tax from a total and rate
  • GET/water/river-forecast$0.01River flood forecast - modelled river discharge for the next 10 days on the largest river cell within 5 km of a coordinate, with seasonal comparison, trend and flood signal
  • GET/gas/compare$0.01Cheapest chain for a transaction - USD cost of a transfer, token transfer, swap or NFT mint across Ethereum, Base, Arbitrum, Optimism, Polygon, BSC, Avalanche and Linea
  • GET/space/launches$0.01Upcoming rocket launches worldwide - time, status, provider, rocket, mission and pad
  • GET/kb/database-migration-rollbackNo price listedDatabase Migration and Rollback — Self-Hosting & Infra
  • GET/climate/enso$0.01ENSO status from the NOAA Oceanic Nino Index - El Nino, La Nina or neutral phase, strength, consecutive seasons in phase and the last 12 seasons
  • GET/security/crypto-phishing-domain$0.01Check a domain against the MetaMask phishing blocklist and allowlist and flag one-letter lookalikes of popular crypto sites, with the matched entry
  • GET/treasury/fx-rates$0.01US Treasury official exchange rates - quarterly foreign currency units per US dollar for any country or currency, used in federal reporting
  • GET/recalls/drug$0.01FDA drug recall search (openFDA) - product, reason, firm, classification and status
  • GET/crypto/options/deribit$0.01Crypto options open interest and max pain - Deribit BTC, ETH, SOL or XRP put/call ratio, top strikes with USD open interest and distance from spot, ATM implied volatility and max pain by expiry

A dash means the listing gives no price or method. Copy buttons copy the full URL.

Showing 25 of 1,040 listed endpoints. Next endpoints First endpoints

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/saylorinnovations.com

Recent checks

29 Sept 2026One bar per check, showing up to 20 recent checks. Coloured bars show relative response time, with a minimum visible height; full-height grey bars mean no challenge was detected. “Challenge detected” means HTTP 402 or another detected payment-challenge signal.17 Oct 2026
All 10 checks
When (UTC)ResultHTTPResponse
17 Oct, 07:50 UTCChallenge detected402568ms
15 Oct, 23:42 UTCChallenge detected402660ms
14 Oct, 19:26 UTCChallenge detected402529ms
12 Oct, 22:31 UTCChallenge detected402173ms
11 Oct, 00:15 UTCNo challenge detected400276ms
9 Oct, 18:38 UTCChallenge detected402240ms
8 Oct, 15:35 UTCChallenge detected402275ms
7 Oct, 15:42 UTCChallenge detected402212ms
6 Oct, 15:31 UTCNo challenge detected400282ms
29 Sept, 05:02 UTCNo challenge detected400192ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 17 Oct, 07:50 UTC, it returned HTTP 402 or another detected payment-challenge signal. This check did not test payment, delivery or compatibility with the Superstables client.

What price is recorded for Saylor Innovations Library Docs?

Its listed price is $0.01.

What payment terms does Saylor Innovations Library Docs advertise?

The listing advertises x402, Arbitrum, Base, Polygon, Solana, USDC and USDT. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.

Where is Saylor Innovations Library Docs listed?

In x402 Bazaar and x402-list.com. Superstables first indexed it on 26 Sept 2026.

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