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
6 of the last 10 checks
Median response
380 ms
Last checked
17 Oct, 18:25 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/hash-double-sha256$0.003Bitcoin HASH256 — SHA-256 applied twice — Genesis402 / UnyKorn Operator Network
  • POST/price/shiba-inu$0.003Shiba Inu (SHIB) price in USD now, with 24h and 7d change — Genesis402 / UnyKorn Operator Network
  • POST/price/maker$0.003Maker (MKR) price in USD now, with 24h and 7d change — Genesis402 / UnyKorn Operator Network
  • POST/erc721-approved$0.003Which address is approved to move one NFT — Genesis402 / UnyKorn Operator Network
  • POST/evm-token-info$0.005Name, symbol, decimals and supply of a token in one call — Genesis402 / UnyKorn Operator Network
  • POST/defi/chain/robinhood-chain$0.01Robinhood Chain DeFi overview: TVL trend, top protocols, stablecoins, DEX volume, fees — Genesis402 / UnyKorn Operator Network
  • POST/research/hn-front-page$0.003Hacker News front page right now — Genesis402 / UnyKorn Operator Network
  • POST/price/near$0.003NEAR Protocol (NEAR) price in USD now, with 24h and 7d change — Genesis402 / UnyKorn Operator Network
  • POST/defi/yields$0.01Best DeFi yields: filter 15,000+ pools by chain, protocol, token, stablecoin-only, TVL — Genesis402 / UnyKorn Operator Network
  • POST/defi/chain/starknet$0.01Starknet DeFi overview: TVL trend, top protocols, stablecoins, DEX volume, fees — Genesis402 / UnyKorn Operator Network
  • POST/eip712-hash$0.003EIP-712 typed-data digest — Genesis402 / UnyKorn Operator Network
  • POST/defi/chain/hyperliquid-l1$0.01Hyperliquid L1 DeFi overview: TVL trend, top protocols, stablecoins, DEX volume, fees — Genesis402 / UnyKorn Operator Network
  • POST/ai/text-to-sql$0.01Natural language to SQL for YOUR schema (Postgres, MySQL, SQLite, BigQuery), read-only flagged — Genesis402 / UnyKorn Operator Network
  • POST/json-diff$0.003Structural difference between two JSON values — Genesis402 / UnyKorn Operator Network
  • POST/defi/token-price-history$0.003Token price history: daily or hourly USD series up to 1 year — Genesis402 / UnyKorn Operator Network
  • POST/evm-receipt$0.003Transaction receipt — did it succeed, what did it cost, what did it emit — Genesis402 / UnyKorn Operator Network
  • POST/ai/language-detect$0.003Detect the language and script of a text — Genesis402 / UnyKorn Operator Network
  • POST/evm-estimate-gas$0.003Estimate the gas a transaction would use, before signing it — Genesis402 / UnyKorn Operator Network
  • POST/hash-sha512$0.003SHA-512 digest of text or raw bytes — Genesis402 / UnyKorn Operator Network
  • POST/stellar-liquidity-pools$0.005Stellar liquidity pools an account has shares in — Genesis402 / UnyKorn Operator Network
  • POST/price/ripple$0.003XRP (XRP) price in USD now, with 24h and 7d change — Genesis402 / UnyKorn Operator Network
  • POST/defi/chain/base$0.01Base DeFi overview: TVL trend, top protocols, stablecoins, DEX volume, fees — Genesis402 / UnyKorn Operator Network
  • POST/hash-sha3-512$0.003SHA3-512 digest of text or raw bytes — Genesis402 / UnyKorn Operator Network
  • POST/merkle-verify$0.003Verify a merkle proof against a root — Genesis402 / UnyKorn Operator Network
  • POST/price/pendle$0.003Pendle (PENDLE) price in USD now, with 24h and 7d change — 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.17 Oct 2026
All 10 checks
When (UTC)ResultHTTPResponse
17 Oct, 18:25 UTCChallenge detected402419ms
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 17 Oct, 18:25 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.

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