← The evidence ledger
Evidence row 18506
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://api.firstmention.uk/s/funding-rates/funding
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- a3e2837c1e24917b978d011ef41b7d550dc569a236b61721997df0399a6041a5
- Leaf
- 0xf0062767d9385899ea6c408c35d525f2e29c8b41af87ad79466b3860835ae31f
What was observed
{
"endpoints": [
[
"x402",
"https://api.firstmention.uk/s/funding-rates/funding"
]
],
"name": "funding-rates",
"owner_address": "0xddbee715feb5232af1f2b0f07392aaa0c712e572",
"raw": {
"accepts": [
{
"amount": "10000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xddbeE715fEB5232aF1f2B0f07392aAA0c712E572",
"scheme": "exact"
}
],
"description": "Perpetual-futures funding rates and annualized carry for BTC, ETH, SOL and more, from exchange public market-data APIs, in one call. Free /preflight sample.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"symbol": "BTC"
},
"type": "http"
},
"output": {
"example": {
"checked_at_ms": 1792971000000,
"funding": {
"annualized_pct": 11.05,
"rate_pct_8h": 0.0101,
"venue": "binance"
},
"ok": true,
"symbol": "BTC"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"headers": {
"additionalProperties": {
"type": "string"
},
"type": "object"
},
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"queryParams": {
"properties": {
"symbol": {
"description": "Asset symbol, e.g. BTC",
"type": "string"
}
},
"required": [
"symbol"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"checked_at_ms": {
"type": "number"
},
"funding": {
"properties": {
"annualized_pct": {
"type": "number"
},
"rate_pct_8h": {
"type": "number"
},
"venue": {
"type": "string"
}
},
"type": "object"
},
"ok": {
"type": "boolean"
},
"symbol": {
"type": "string"
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-26T05:50:03.973Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-26T05:50:03.636Z"
},
"resource": "https://api.firstmention.uk/s/funding-rates/funding",
"serviceName": "funding-rates",
"tags": [
"funding",
"crypto",
"perp",
"market-data",
"rates"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Perpetual-futures funding rates and annualized carry for BTC, ETH, SOL and more, from exchange public market-data APIs, in one call. Free /preflight sample."
}What the leaf hashes
{"body":"a3e2837c1e24917b978d011ef41b7d550dc569a236b61721997df0399a6041a5","id":18506,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025329258481,"prev":null,"subject":"x402_bazaar:https://api.firstmention.uk/s/funding-rates/funding","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).
- 0xf005ce0469e7df4637598ef0a98cae69957edabc86b632ddd1de3d30af448d1f
- 0x7d71d0e58268ee986cf04594579c89a3b222d247f397f2a25aa269f24da11f13
- 0x05d043128500f223525983d5c311b602cd57dc665f092e143fe540cd46c97ddf
- 0x02844db3765512b9033304bbe21e71b95f613069a692a49ea51f3623a3b8f58b
- 0x51f38d19d599fb252148fa9aa46561e71b3d02a45f8b4638e7e9baa3a6559b2b
- 0x287427e5d3561647fe60fe9de7b4ae9a73cf7d56bc67c4a455bcf793ea152093
- 0x91091da10c8a6092e5869d4c70dc3cbd3ce7c40edd09447133e48b19403a7936
- 0xe6caacae8008ebe2d4af96592fedc1dd1683d414daf68417b592bd2c95ceb89c
- 0x9a1ac8afd86edde88ef2bbbb9ea2299a023fa773eeaa5783a8e634d48ce7fc24
- 0x3596b9717d8451909e6f610690c73b18907f0580f92978c2a8862668158a8f31
- 0xe34b4862878cc4926f0e4b84b3f031ef1f0cf0de9bf8fb3c13adbc6abc010ee1
- 0xb0cc0b4ce5a68e83d3e3e55b0387f828adf6f5eb6cfa666d75f6e16ed9d89c1f
- 0x746e9e5b6765727b6b96f41204cc115b0302259f6c67be0cf0efbf245601d500
- 0x614d844c9e0509d9f9e63697aa2935555bce5f13695a8dc0047aa9e9898d70b3
- 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
- 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
- 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae