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-md5$0.003MD5 digest of text or raw bytes — Genesis402 / UnyKorn Operator Network
  • POST/hash-sha224$0.003SHA-224 digest of text or raw bytes — Genesis402 / UnyKorn Operator Network
  • POST/price/okb$0.003OKB (OKB) price in USD now, with 24h and 7d change — Genesis402 / UnyKorn Operator Network
  • POST/slippage-calc$0.003Slippage between an expected and an actual fill — Genesis402 / UnyKorn Operator Network
  • POST/abi-event-topic$0.003Event topic0 from a Solidity event signature — Genesis402 / UnyKorn Operator Network
  • POST/address-identify$0.003Which chain does this address belong to, and is it well-formed — Genesis402 / UnyKorn Operator Network
  • POST/btc-block-at-height$0.003Block hash at a given Bitcoin height — Genesis402 / UnyKorn Operator Network
  • POST/defi/chain/polygon$0.01Polygon DeFi overview: TVL trend, top protocols, stablecoins, DEX volume, fees — Genesis402 / UnyKorn Operator Network
  • POST/price/paypal-usd$0.003PayPal USD (PYUSD) price in USD now, with 24h and 7d change — Genesis402 / UnyKorn Operator Network
  • POST/records/fx-convert$0.003Currency conversion at the ECB reference rate (today or a past date) — Genesis402 / UnyKorn Operator Network
  • POST/price/lido-dao$0.003Lido DAO (LDO) price in USD now, with 24h and 7d change — Genesis402 / UnyKorn Operator Network
  • POST/web/email-check$0.003Email/domain deliverability check: MX, provider, SPF, DMARC policy, disposable flag — Genesis402 / UnyKorn Operator Network
  • POST/encode-hex$0.003Hex encoding of UTF-8 text — Genesis402 / UnyKorn Operator Network
  • POST/defi/chain/rootstock$0.01Rootstock DeFi overview: TVL trend, top protocols, stablecoins, DEX volume, fees — Genesis402 / UnyKorn Operator Network
  • GET/agents/compliance/verify-entity$0.01UnyKorn Compliance entity facts: UnyKorn LLC's public registration facts, sold by the UnyKorn Compliance agent — Genesis402 / UnyKorn Operator Network
  • POST/btc-address-txs$0.006Recent Bitcoin transactions for an address — Genesis402 / UnyKorn Operator Network
  • POST/erc20-supply$0.003Total supply of an ERC20 or ERC721 contract — Genesis402 / UnyKorn Operator Network
  • POST/erc721-approved-for-all$0.003Has an owner granted an operator control of their whole collection — Genesis402 / UnyKorn Operator Network
  • POST/price/chainlink$0.003Chainlink (LINK) price in USD now, with 24h and 7d change — Genesis402 / UnyKorn Operator Network
  • POST/defi/protocol-search$0.003Find DeFi protocols by name or token symbol (DefiLlama index of 6,000+) — Genesis402 / UnyKorn Operator Network
  • POST/price/compound-governance-token$0.003Compound (COMP) price in USD now, with 24h and 7d change — Genesis402 / UnyKorn Operator Network
  • POST/research/npm-package$0.003npm package facts: latest version, license, weekly downloads, deps, types, deprecation — Genesis402 / UnyKorn Operator Network
  • POST/stellar-tx$0.004One Stellar transaction, including its memo — Genesis402 / UnyKorn Operator Network
  • POST/btc-utxos$0.005Every spendable UTXO at a Bitcoin address — Genesis402 / UnyKorn Operator Network
  • POST/price/bonk$0.003Bonk (BONK) 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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