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
8 of the last 11 checks
Median response
276 ms
Last checked
18 Oct, 09:23 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.
1,041 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/video/bitrate$0.01Average video bitrate calculator from duration and file size - Mbps and kbps
  • GET/evm/base/:chainNo price listedEVM Network Status (base) — On-Chain Data
  • GET/dev/cdnjs$0.01Search the cdnjs library catalog - latest version, description, license, homepage, repository, keywords, CDN URL and a ready script tag
  • GET/vuln/audit$0.01Audit up to 50 dependencies against OSV in one call - vulnerable count, severity and needed upgrades
  • GET/books/isbn/:isbn$0.01ISBN-10 and ISBN-13 lookup - title, authors, publisher, publish date, pages, subjects and cover image
  • GET/brazil/cnpj$0.01Brazilian company registry (CNPJ) lookup - legal name, status, activity, address and partners
  • GET/evm/polygon/:chainNo price listedEVM Network Status (polygon) — On-Chain Data
  • GET/stats/regression$0.01Linear regression on two lists - slope, intercept, r, r-squared, standard errors, p-value, 95% slope interval, equation and a prediction for a new x
  • GET/media/aspect$0.01Aspect ratio calculator - reduce width and height to a ratio and orientation
  • GET/elements/:element$0.01Periodic table element data by symbol, name or atomic number - mass, configuration, melting and boiling points
  • GET/dev/ubuntu-package$0.01Ubuntu source package versions for every release from Launchpad - newest version, pocket, component, section and publish date per series
  • GET/india/mutual-fund/search$0.01Indian mutual fund search - find scheme codes and names of mutual funds in India by keyword (AMFI data)
  • GET/recruiting/cost-per-hire$0.01Recruiting cost-per-hire calculator from total cost and hires
  • GET/registry/helm$0.01Helm chart search on Artifact Hub - find Kubernetes charts by keyword with version, repository, stars and verified publisher
  • GET/evm/polygon/events/:address$0.01Polygon contract event logs - raw logs for a contract, filterable by event topic, newest first
  • GET/finance/kelly$0.01Kelly criterion bet sizing from win probability and odds - full, half and quarter Kelly, expected log growth, break-even win rate and a verdict
  • GET/vehicles/safety-ratings$0.01Car safety ratings - NHTSA 5-star overall, front, side and rollover scores per variant with ESC, collision and lane warning equipment
  • GET/tools/btc-address$0.01Bitcoin address validator - checks base58check and bech32/bech32m checksums, returns network, address type (P2PKH, P2SH, P2WPKH, taproot) and encoding
  • GET/colombia/trm$0.01Official Colombian peso per US dollar rate (TRM) with validity dates, change versus the previous period, window average, high, low and history
  • GET/video/frames$0.01Video frame count and frame interval from frame rate and duration
  • GET/sdg/country$0.01UN Sustainable Development Goal indicators for a country - latest values and trends
  • GET/tax/sales$0.01Sales tax calculator from subtotal and rate - tax and total
  • GET/kb/solana-transaction-failure$0.01Solana transaction failure resolver - first failing instruction, wallet vs RPC vs program cause, safe fix
  • GET/climate/projection$0.01Climate projection for any latitude and longitude - future mean temperature, annual rainfall, days over 30C and frost days versus a 1990s baseline
  • GET/geography/midpoint$0.01Great-circle midpoint between two coordinates - latitude and longitude

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

Showing 25 of 1,041 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.18 Oct 2026
All 11 checks
When (UTC)ResultHTTPResponse
18 Oct, 09:23 UTCChallenge detected402277ms
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 18 Oct, 09:23 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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