hyperextend
Per-minute Hyperliquid market history: open interest, candles, trades, liquidations, HIP-3, spot and outcome markets. Query any window, pay per request over x402.
TradingLiveeip155:8453Exactvia cdp
HyperliquidMarket-dataCandlesOpen-interestHip-3
Calls · 30d
52↑ 2.2%
This endpoint's own trailing-30-day call count, as published by the upstream catalog and snapshotted daily. 32 snapshots so far.
$4.47
Verified settled volume
447 settlements proven x402 by their on-chain EIP-3009 marker.
$0.0020
Listed price
As published in the catalog. Always read the live 402 before paying.
53
Calls · 30d
Upstream's own call count for this endpoint, not ours.
34
Unique payers · 30d
Last called 2026-11-13 18:10Z
–
Upstream on-chain volume
Reported by the source catalog.
Paid to
0x548fC289526ab2F0391D562a723cdA64Bbf1abc4The wallet the 402 directs payment to. Its full payment record is on the merchant page.
Asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Provider
The payTo wallet does not resolve to a registered ERC-8004 agent. That is not a verdict on the service; most of the catalog is unregistered.
Recent payments · which agents last used it
Every indexed settlement paid to this service’s wallet, newest first. The index does not record which endpoint a payment was for, so if this wallet serves more than one endpoint, the rows include payments for the others. Paged up to the newest 5,000; the full history is on the merchant page.
Live 402 challenge
Captured by the enrichment pass, not read just now. Prices can change. Always read the 402 the endpoint answers with.
{
"error": "payment required",
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0x548fC289526ab2F0391D562a723cdA64Bbf1abc4",
"amount": "2000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 60
},
{
"asset": "USDC:0x6d1e7cde53ba9467b783cb7c530ce054",
"extra": {
"destinationDex": "spot"
},
"payTo": "0x548fC289526ab2F0391D562a723cdA64Bbf1abc4",
"amount": "0.002",
"scheme": "exact",
"network": "hyperliquid:mainnet",
"maxTimeoutSeconds": 60
},
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2",
"withdrawDelay": 86400,
"receiverAuthorizer": "0x3721824a31197dcDD2984cF43b92B6cc8A87c0Fb"
},
"payTo": "0x548fC289526ab2F0391D562a723cdA64Bbf1abc4",
"amount": "2000",
"scheme": "batch-settlement",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
}
],
"resource": {
"url": "https://api.hyperextend.xyz/v1/candles/BTC/1m/latest",
"tags": [
"hyperliquid",
"market-data",
"candles",
"open-interest",
"hip-3",
"hip-4",
"trades",
"liquidations"
],
"iconUrl": "https://hyperextend.xyz/favicon.svg",
"mimeType": "application/json",
"description": "The most-recent N OHLCV candles (≤5000). Same per-row pricing as the windowed read ($0.00001 base for main/spot, $0.000025 premium for HIP-3/HIP-4); candles lag ~2 days.",
"serviceName": "hyperextend"
},
"extensions": {
"bazaar": {
"info": {
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"n": 100,
"dex": "main"
}
},
"output": {
"type": "json",
"example": {
"c": "42080.0",
"h": "42100.0",
"l": "41950.0",
"n": 340,
"o": "42000.0",
"v": "12.5",
"interval": "1m",
"open_time": 1700000000000,
"close_time": 1700000059999
}
}
},
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"input"
],
"properties": {
"input": {
"type": "object",
"required": [
"type",
"method"
],
"properties": {
"type": {
"type": "string",
"const": "http"
},
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"pathParams": {
"type": "object",
"required": [
"coin",
"interval"
],
"properties": {
"coin": {
"type": "string",
"description": "Asset symbol, e.g. BTC"
},
"interval": {
"type": "string",
"description": "Candle interval, e.g. 1m"
}
}
},
"queryParams": {
"type": "object",
"required": [],
"properties": {
"n": {
"type": "integer"
},
"dex": {
"type": "string"
}
}
}
},
"additionalProperties": false
},
"output": {
"type": "object",
"required": [
"type"
],
"properties": {
"type": {
"type": "string"
},
"example": {
"type": "object"
}
}
}
}
}
}
},
"x402Version": 2,
"instructions": {
"docs": "https://hyperextend.xyz/docs",
"client": "https://github.com/coinbase/x402",
"summary": "Payment is required via the x402 protocol (v2). The 402 `accepts` lists the available payment rails — pay with any ONE of them: read the PAYMENT-REQUIRED header, sign, and retry with a PAYMENT-SIGNATURE header. (1) Base (EVM): use Coinbase's official x402 client (`pip install \"x402[evm]\"`) from a Base-mainnet USDC wallet — a plain EOA, not a smart wallet. It signs an EIP-3009 USDC authorisation; you need USDC, not ETH (the facilitator broadcasts and pays the gas). (2) Hyperliquid (HyperCore): pay directly with the SAME USDC you trade and open positions with on Hyperliquid — no bridging, no separate wallet. Sign a HyperliquidTransaction:SendAsset action (gasless, no facilitator) and the server settles it on-chain."
}
}Accepts
The payment requirements as published to the catalog. Read the live 402 before paying: a price here is a claim, not a quote.
0.002USDC≈ $0.002 USD
on Base · exact scheme
Pay 0.002 USDC on Base to 0x548f…1abc4. The signed payment is good for 1 minute.
- Paid to
- 0x548f…1abc4
- USD Coin contract
- 0x8335…02913
- Payment window
- 1 minute
- As published
- 2000 smallest units
0.002units
on hyperliquid:mainnet · exact scheme
That figure is in the token’s smallest units. Roundhouse does not hold this contract’s decimals, so it is shown as published rather than converted.
- Paid to
- 0x548f…1abc4
- Token contract
- USDC:0…ce054
- Payment window
- 1 minute
0.002USDC≈ $0.002 USD
on Base · batch-settlement scheme
Pay 0.002 USDC on Base to 0x548f…1abc4. The signed payment is good for 5 minutes.
- Paid to
- 0x548f…1abc4
- USD Coin contract
- 0x8335…02913
- Payment window
- 5 minutes
- As published
- 2000 smallest units
The catalog’s raw entry
[
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0x548fC289526ab2F0391D562a723cdA64Bbf1abc4",
"amount": "2000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 60
},
{
"asset": "USDC:0x6d1e7cde53ba9467b783cb7c530ce054",
"extra": {
"destinationDex": "spot"
},
"payTo": "0x548fC289526ab2F0391D562a723cdA64Bbf1abc4",
"amount": "0.002",
"scheme": "exact",
"network": "hyperliquid:mainnet",
"maxTimeoutSeconds": 60
},
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2",
"withdrawDelay": 86400,
"receiverAuthorizer": "0x3721824a31197dcDD2984cF43b92B6cc8A87c0Fb"
},
"payTo": "0x548fC289526ab2F0391D562a723cdA64Bbf1abc4",
"amount": "2000",
"scheme": "batch-settlement",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
}
]Extensions
{
"bazaar": {
"info": {
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"n": 100,
"dex": "main"
}
},
"output": {
"type": "json",
"example": {
"T": 1700000059999,
"c": "42080.0",
"h": "42100.0",
"i": "1m",
"l": "41950.0",
"n": 340,
"o": "42000.0",
"s": "BTC",
"t": 1700000000000,
"v": "12.5"
}
}
},
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"input"
],
"properties": {
"input": {
"type": "object",
"required": [
"type",
"method"
],
"properties": {
"type": {
"type": "string",
"const": "http"
},
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"pathParams": {
"type": "object",
"required": [
"coin",
"interval"
],
"properties": {
"coin": {
"type": "string",
"description": "Asset symbol, e.g. BTC"
},
"interval": {
"type": "string",
"description": "Candle interval, e.g. 1m"
}
}
},
"queryParams": {
"type": "object",
"required": [],
"properties": {
"n": {
"type": "integer"
},
"dex": {
"type": "string"
}
}
}
},
"additionalProperties": false
},
"output": {
"type": "object",
"required": [
"type"
],
"properties": {
"type": {
"type": "string"
},
"example": {
"type": "object"
}
}
}
}
}
}
}Provenance
- Seen in the source catalog
- 2026-10-28 03:43Z
- Last indexed by Roundhouse
- 2026-11-14 08:10Z
- Last enriched (probe, favicon, geo)
- 2026-09-21 10:45Z
- x402 version
- 2
- Max timeout
- 60s
- Liveness probe
- HTTP 402
Hand this page to an agent
Copy the prompt and paste it into Claude, an MCP client or your own agent: it will vet this service and call it over the free read API. No key, no account.
GET api.roundhouseai.io/v0/endpoints
This endpoint's own trailing-30-day call count, as published by the upstream catalog and snapshotted daily. 32 snapshots so far. Verified volume counts only settlements with an on-chain EIP-3009 marker.
Show the promptHide the prompt
Using Roundhouse, look up the x402 service hyperextend and tell me whether it is worth paying: what a call costs, whether the endpoint answered when last probed, and what its payment record actually shows. curl -s 'https://api.roundhouseai.io/v0/endpoints?q=hyperextend' curl -s 'https://api.roundhouseai.io/v0/merchants/<the payTo wallet returned above>' Then call it: read the price from the live 402 at https://api.hyperextend.xyz/v1/candles/BTC/1m/latest, never from a cached figure, and pay with an x402 client. The /v0 API needs an API key (`authorization: Bearer rh_live_…`) on everything except /v0/unified* and /v0/endpoints. Either pay over x402 (mint a personal key for $0.01 at GET https://api.roundhouseai.io/v0/test/x402), or ask me for an organization key, which I create at https://roundhouseai.io/dashboard/connections. If you have neither, ask before going further. If you do not have Roundhouse tools or skills installed, read https://roundhouseai.io/skill.md first — it is the whole procedure.