← The evidence ledger
Evidence row 72912
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://cryptofeed402.site/perps/:symbol
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 209b140a26a036c85970d0232c2bd1b282ba649824134e53eaac66f0ac17f63d
- Leaf
- 0x97497dd744cea4445f77968e706e23ec1be18214010968a750eb07f137b4bd79
What was observed
{
"endpoints": [
[
"x402",
"https://cryptofeed402.site/perps/:symbol"
]
],
"name": "cryptofeed402.site/perps/:symbol",
"owner_address": "0x93e4b468a88b1f084efc781ec7a1e2d195a40d22",
"raw": {
"accepts": [
{
"amount": "2000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x93e4B468A88B1f084Efc781ec7A1E2D195a40D22",
"scheme": "exact"
}
],
"description": "Perpetual futures funding rate and open interest snapshot for one Hyperliquid perp (any listed coin, e.g. BTC or HIP-3 xyz:TSLA): current hourly funding, 8h and annualized rate, open interest in coins and USD, 24h volume, mark and oracle price, premium, 24h change, and whether it ranks in the top 10 funding extremes. venues[] uses symbol / venue / funding_rate / open_interest_usd plus as_of. Unknown symbols: 404, no charge. JSON. Free sample at /samples/perps. $0.002 USDC per call on Base.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"pathParams": {
"symbol": "BTC"
},
"queryParams": {},
"type": "http"
},
"output": {
"example": {
"as_of": "2026-10-19T20:57:31.782Z",
"change_24h_pct": 1.2,
"disclaimer": "Automated data for AI agents. Not financial advice.",
"funding": {
"annualized_pct": -4.56,
"interval_hours": 1,
"rate_8h": -0.0000416,
"rate_hourly": -0.0000052,
"side_paying": "shorts"
},
"funding_extreme": {
"in_top10": true,
"rank": 8,
"ranked_universe": 67,
"top10": [
"SAND",
"XMR"
]
},
"generated_at": "2026-10-19T20:57:31.790Z",
"impact_px": {
"ask": 111660,
"bid": 111640
},
"mark_px": 111650,
"max_leverage": 40,
"mid_px": 111655,
"open_interest": {
"coins": 31000.5,
"usd": 3461000000
},
"oracle_px": 111700,
"premium": -0.00031,
"premium_pct": -0.031,
"symbol": "BTC",
"venue": "hyperliquid",
"venues": [
{
"funding_apr_pct": -4.56,
"funding_interval_hours": 1,
"funding_rate": -0.0000052,
"mark_px": 111650,
"open_interest_usd": 3461000000,
"symbol": "BTC",
"venue": "hyperliquid"
}
],
"volume_24h_usd": 2100000000
},
"type": "json"
}
},
"routeTemplate": "/perps/:symbol",
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"pathParams": {
"properties": {
"symbol": {
"description": "Hyperliquid perp ticker, case-insensitive (BTC, ETH, SOL, HYPE, kPEPE, ...); HIP-3 as dex:TICKER (xyz:TSLA)",
"pattern": "^(?:[A-Za-z]{1,10}:)?[A-Za-z0-9]{1,20}$",
"type": "string"
}
},
"required": [
"symbol"
],
"type": "object"
},
"queryParams": {
"properties": {},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"as_of": {
"description": "ISO 8601 UTC time the upstream data was fetched",
"type": "string"
},
"change_24h_pct": {
"type": "number"
},
"disclaimer": {
"type": "string"
},
"funding": {
"properties": {
"annualized_pct": {
"type": "number"
},
"interval_hours": {
"type": "number"
},
"rate_8h": {
"type": "number"
},
"rate_hourly": {
"type": "number"
},
"side_paying": {
"type": "string"
}
},
"type": "object"
},
"funding_extreme": {
"properties": {
"in_top10": {
"type": "boolean"
},
"rank": {
"type": [
"integer",
"null"
]
},
"ranked_universe": {
"type": "integer"
}
},
"type": "object"
},
"generated_at": {
"description": "ISO 8601 UTC response time",
"type": "string"
},
"mark_px": {
"type": "number"
},
"open_interest": {
"properties": {
"coins": {
"type": "number"
},
"usd": {
"type": "number"
}
},
"type": "object"
},
"oracle_px": {
"type": "number"
},
"premium": {
"type": "number"
},
"symbol": {
"type": "string"
},
"venue": {
"type": "string"
},
"venues": {
"items": {
"properties": {
"funding_rate": {
"type": "number"
},
"open_interest_usd": {
"type": "number"
},
"symbol": {
"type": "string"
},
"venue": {
"type": "string"
}
},
"type": "object"
},
"type": "array"
},
"volume_24h_usd": {
"type": "number"
}
},
"required": [
"symbol",
"as_of",
"venues",
"funding",
"open_interest"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1792293388/bazaar-icons/98767f120c2f6858.png",
"lastUpdated": "2026-10-23T20:54:39.807Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-23T20:54:39.371Z"
},
"resource": "https://cryptofeed402.site/perps/:symbol",
"tags": [
"funding-rate",
"open-interest",
"perpetuals",
"derivatives",
"hyperliquid"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Perpetual futures funding rate and open interest snapshot for one Hyperliquid perp (any listed coin, e.g. BTC or HIP-3 xyz:TSLA): current hourly funding, 8h and annualized rate, open interest in coins and USD, 24h volume, mark and oracle price, premium, 24h change, and whether it ranks in the top 10 funding extremes. venues[] uses symbol / venue / funding_rate / open_interest_usd plus as_of. Unknown symbols: 404, no charge. JSON. Free sample at /samples/perps. $0.002 USDC per call on Base."
}What the leaf hashes
{"body":"209b140a26a036c85970d0232c2bd1b282ba649824134e53eaac66f0ac17f63d","id":72912,"kind":"listing","method":"baseline/1","observed_us":1793025486814016,"prev":null,"subject":"x402_bazaar:https://cryptofeed402.site/perps/:symbol","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).
- 0x9749cd188c0b6aa6b42eb75822136f8c022b8d3541aeb559fa058dc479d9a8c6
- 0xcc5b30d14d9cca76158e4529d4b40a23d55f65a870115eab779e23eae507b75b
- 0x2fe323dcc7de754735dbb35ea85b853c5e46559cd1e5a6841805139afbfcc661
- 0x9c79266d0c48ed42b56d0d6403c232b37682d7cf0b0704e429940d91b09a4241
- 0x19ae99f9811ac447afec374e144101e18c4af1d803a40719fea1f31447b0f7bd
- 0x54807e43d94d3447a9582d999fc1b229468111ec2e5f15ee6a6326bb4b0f55bf
- 0xd206a20f4b3f6d7f1ba8a63b35403aecb3168625e2c94e7ab42b4b3a49a8e5a9
- 0x6eb2e35e1578f604cee9e15b2d6ad73ba29a4fc4d162ddc184de4a974bbac03d
- 0xbbc231610ae4f41ab945bb574002dbf478b268f857a24efe26a12202425d3223
- 0x754fcde88a635fd610b97b1614bdabd78715f683ecb7fc4c8b16661d8784837a
- 0x33109041c3d120f5b9ce2c3270a8fc409acfab4e749a0ff42fa0744354f87c17
- 0xd43b73151a0c2d9a61f2ae73ed148938b0e6b05c81197f7eebbf95dba38a7004
- 0xb314422bc93e7f1c0b706c67f5fff96c5ddf74934bb2fe8ab6291ae016907e37
- 0x49062da782c4f73855ddd5fdd51840749f928b5f17d1ce75ac50f2d829104e72
- 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
- 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
- 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae