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.
732 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/btc/tx/:txid$0.01Bitcoin transaction details - confirmations, block, fee and fee rate, inputs and outputs
  • GET/logistics/dimensional-weight$0.01Package dimensional weight calculator - volume, dimensional weight and billable weight
  • GET/kb/dex-fee-slippage-breakevenNo price listedDEX Fee, Slippage and Break-Even Guide — On-chain & DeFi
  • GET/wiki/summary/Bitcoin$0.01Wikipedia article summary - description, lead extract, URL, thumbnail and coordinates, in any language
  • GET/accessibility/rem$0.01CSS rem to pixels converter from root font size and rem value
  • GET/token-price/base/:address$0.01Base token price by contract address - USD price, changes, liquidity, volume and FDV
  • GET/audio/duration$0.01Audio duration from sample count and sample rate - seconds and milliseconds
  • GET/x402/time$0.01Current UTC time as unix seconds, ISO 8601 and weekday, with optional time zone
  • GET/history/on-this-day$0.01On this day in history - notable events, births, deaths or holidays for any date, from Wikipedia
  • GET/sky/planets$0.01Planets visible tonight from any location - best viewing time, altitude, direction and elongation
  • GET/kb/forwarding-your-google-domain-to-a-url-or-ipNo price listedForwarding Your Google Domain to a URL or IP — Web & Domains
  • GET/kb/human-approval-authorityNo price listedHuman Approval and Action Authority — AI & Agents
  • GET/evm/ethereum/ens/:nameNo price listedENS Resolve (ethereum) — On-Chain Data
  • GET/evm/ethereum/transfers/:address$0.01Ethereum ERC-20 token transfer history - decoded Transfer events, filterable to one wallet
  • GET/rail/belgium/liveboard$0.01Belgian rail departures - live NMBS/SNCB station board with destination, platform, delay and cancellations from iRail
  • GET/anime/search$0.01Anime search from AniList - English and romaji titles, score, episodes, status, season, studios, genres, next airing episode and synopsis
  • GET/kb/hard-drive-diagnosis-can-a-3-5-inch-drive-run-on-poeNo price listedHard Drive Diagnosis: Can a 3.5-Inch Drive Run on PoE? — IoT & Hardware
  • GET/evm/polygon/tx/:hash$0.01Polygon transaction details - status, from/to, value, gas used, fee, event count and method selector
  • GET/funding/dilution$0.01Fundraising dilution calculator - post-money valuation and investor and holder ownership after the round
  • GET/nutrition/bmr$0.01BMR and daily calorie estimate (Mifflin-St Jeor) from weight, height, age and activity
  • GET/books/author$0.01Author profile - birth and death dates, top work, work count, subjects, bio and alternate names from Open Library
  • GET/transit/boston/arrivals$0.01Boston MBTA real-time departures at any station - subway, commuter rail and bus, with minutes away
  • GET/media/scale$0.01Proportional resize calculator to fit media inside a bounding box - scaled size and factor
  • GET/market/merchants$0.01Top x402 merchants by estimated 30-day revenue, with calls, paying agents and top resource
  • GET/insurance/coinsurance$0.01Property coinsurance calculator from value, required percentage, coverage carried, loss and deductible

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

Showing 25 of 732 listed endpoints. Next 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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