Discover / twin.unykorn.org

One Bitcoin block by hash

■ Challenge detected

ABI-decode return data against declared types — Genesis402 / UnyKorn Operator Network

Listed price
$0.003
Challenge detected
5 of the last 9 checks
Median response
340 ms
Last checked
16 Oct, 18:49 UTC
In our index since
26 Sept 2026

Endpoint

curl -i https://twin.unykorn.org/abi-decode
# 402 Payment Required: pay with an x402 client (USDC on Base),
# then send the same request again with the payment attached.
368 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://twin.unykorn.org

  • POST/xrpl-tx$0.004One XRPL transaction, with its result code explained — Genesis402 / UnyKorn Operator Network
  • POST/chain-info$0.003Reference data for a supported EVM chain — Genesis402 / UnyKorn Operator Network
  • POST/solana-tx$0.005One Solana transaction, with its SOL and SPL balance changes — Genesis402 / UnyKorn Operator Network
  • POST/contract-owner$0.003Who owns an Ownable contract — Genesis402 / UnyKorn Operator Network
  • POST/evm-call$0.003Simulate any read-only contract call — Genesis402 / UnyKorn Operator Network
  • POST/price/blockstack$0.003Stacks (STX) price in USD now, with 24h and 7d change — Genesis402 / UnyKorn Operator Network
  • POST/research/book-search$0.003Book search (Open Library): titles, authors, first published, ISBNs — Genesis402 / UnyKorn Operator Network
  • POST/evm-contract$0.005EVM contract introspection — is it a contract, is it a proxy, is it a token. Use it before you send funds to or call an address, to see whether it is a contract, a proxy or a token.
  • POST/xrpl-server-info$0.003XRP Ledger network state — validated ledger, load and base fee — Genesis402 / UnyKorn Operator Network
  • POST/defi/chain/mezo$0.01Mezo DeFi overview: TVL trend, top protocols, stablecoins, DEX volume, fees — Genesis402 / UnyKorn Operator Network
  • POST/price/crypto-com-chain$0.003Cronos (CRO) price in USD now, with 24h and 7d change — Genesis402 / UnyKorn Operator Network
  • POST/xrpl-account$0.008XRPL account read — balance, reserve, spendable, trustlines, flags — Genesis402 / UnyKorn Operator Network
  • POST/base58check-verify$0.003Verify a base58check string and split out its version byte — Genesis402 / UnyKorn Operator Network
  • POST/records/sec-financials$0.01Company financials from SEC XBRL: revenue, net income, assets, liabilities, equity, cash, EPS — Genesis402 / UnyKorn Operator Network
  • POST/hash-sha256$0.003SHA-256 digest of text or raw bytes — Genesis402 / UnyKorn Operator Network
  • POST/price/ethena-usde$0.003Ethena USDe (USDe) price in USD now, with 24h and 7d change — Genesis402 / UnyKorn Operator Network
  • POST/btc-tx$0.005One Bitcoin transaction with its fee rate and confirmation status — Genesis402 / UnyKorn Operator Network
  • POST/defi/chain-tvl-history$0.003Daily TVL history for one chain (up to 2 years) — Genesis402 / UnyKorn Operator Network
  • POST/price/sonic-3$0.003Sonic (S) price in USD now, with 24h and 7d change — Genesis402 / UnyKorn Operator Network
  • POST/solana-signatures$0.005The 50 most recent transaction signatures for a Solana address — Genesis402 / UnyKorn Operator Network
  • POST/web/sitemap$0.003Sitemap reader: list a site's URLs with lastmod (handles sitemap indexes) — Genesis402 / UnyKorn Operator Network
  • POST/defi/chain/aptos$0.01Aptos DeFi overview: TVL trend, top protocols, stablecoins, DEX volume, fees — Genesis402 / UnyKorn Operator Network
  • POST/hash-keccak256$0.003Ethereum keccak256 — the original Keccak, not NIST SHA3 — Genesis402 / UnyKorn Operator Network
  • POST/geo/air-quality$0.003Air quality now: US AQI with health band, PM2.5, PM10, ozone, NO2, UV — Genesis402 / UnyKorn Operator Network
  • POST/defi/token-prices$0.003Batch token prices: up to 25 tokens in one call by CoinGecko id or chain:address — Genesis402 / UnyKorn Operator Network

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

Showing 25 of 368 listed endpoints. Next endpoints First endpoints

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/twin.unykorn.org

Recent checks

4 Oct 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.16 Oct 2026
All 9 checks
When (UTC)ResultHTTPResponse
16 Oct, 18:49 UTCChallenge detected40299ms
15 Oct, 14:11 UTCChallenge detected402810ms
14 Oct, 08:45 UTCChallenge detected402340ms
12 Oct, 22:31 UTCNo challenge detected200181ms
11 Oct, 00:15 UTCNo challenge detected200127ms
9 Oct, 15:32 UTCNo challenge detected200225ms
8 Oct, 09:33 UTCNo challenge detected200181ms
7 Oct, 03:32 UTCChallenge detected402621ms
4 Oct, 05:04 UTCChallenge detected40275ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 16 Oct, 18:49 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 One Bitcoin block by hash?

Its listed price is $0.003.

What payment terms does One Bitcoin block by hash advertise?

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

Where is One Bitcoin block by hash listed?

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

Something wrong on this page? Tell us.