← The evidence ledger
Evidence row 866
Observed , by baseline/1.
- Kind
- listing
- About
- source_record agentic_market:api-debyko-com
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 82ac0ee93a63ae53cd4b6b39169b0bc7c13df3308d6c559e2a8a61287716a307
- Leaf
- 0xec40b51303ac23c604ef9176a424ce241bf840e9138284841b698609e8e1a344
What was observed
{
"endpoints": [
[
"x402",
"https://api.debyko.com/v2/candles"
],
[
"x402",
"https://api.debyko.com/v2/screen"
],
[
"x402",
"https://api.debyko.com/v2/snapshots"
],
[
"x402",
"https://api.debyko.com/v2/snapshots/history"
]
],
"name": "api.debyko.com",
"owner_address": null,
"raw": {
"caip2_networks": [
"eip155:8453"
],
"category": "",
"description": "",
"domain": "api.debyko.com",
"endpoints": [
{
"description": "OHLCV candles for crypto perpetual futures, 1m to 1d, on trade price (mark and index where the venue publishes them), across 19 venues (Aster Perpetuals, Avantis, Binance USD-M Futures, Bitget Perpetual Futures, Bybit Perpetuals, Coinbase International Exchange (legacy; migrated to Deribit) and 13 more). Built from venue 1-minute klines; periods with no data come back as gap rows, not interpolated. DQL filter, timeframe, from, to. No charge when no candle is returned. 0.005 USDC per call.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "2026-10-01T00:00:00Z",
"group": "body",
"name": "from",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "1h",
"group": "body",
"name": "timeframe",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "2026-10-01T06:00:00Z",
"group": "body",
"name": "to",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "base in (BTC)",
"group": "body",
"name": "where",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.005",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "5",
"l30DaysUniquePayers": "5"
},
"serviceName": "DEBYKO",
"tags": [
"ohlcv",
"candles",
"perpetuals",
"derivatives",
"crypto"
],
"url": "https://api.debyko.com/v2/candles"
},
{
"description": "Crypto perpetual futures screener that finds markets across 19 venues (Aster Perpetuals, Avantis, Binance USD-M Futures, Bitget Perpetual Futures, Bybit Perpetuals, Coinbase Global Derivatives and 13 more) by funding rate, open interest, price, basis, volume or data age with a DQL query, e.g. any(venues where funding > 0). Returns the matching instruments with each venue's value, its timestamp and age. No charge when nothing recorded is returned. 0.01 USDC per call.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": 2,
"group": "body",
"name": "limit",
"required": false,
"type": "number"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "any(venues where funding > 0)",
"group": "body",
"name": "query",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "208",
"l30DaysUniquePayers": "6"
},
"serviceName": "DEBYKO",
"tags": [
"screener",
"funding-rate",
"open-interest",
"perpetuals",
"crypto"
],
"url": "https://api.debyko.com/v2/screen"
},
{
"description": "Crypto perpetual futures funding rate, open interest, mark and index price, basis, bid and ask, order book depth and 24h volume: the latest value of every market across 19 venues (Aster Perpetuals, Avantis, Binance USD-M Futures, Bitget Perpetual Futures, Bybit Perpetuals and 14 more). DQL filter, e.g. base in (BTC). Each value carries venue timestamp, receive time and age; stale values are withheld. No charge when nothing recorded is returned. 0.005 USDC per call.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": [],
"group": "body",
"name": "layers",
"required": false,
"type": "array"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "base in (BTC, ETH)",
"group": "body",
"name": "where",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.005",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "4",
"l30DaysUniquePayers": "4"
},
"serviceName": "DEBYKO",
"tags": [
"funding-rate",
"open-interest",
"perpetuals",
"derivatives",
"crypto"
],
"url": "https://api.debyko.com/v2/snapshots"
},
{
"description": "As-of snapshot of any instrument at a past moment, exactly as stored; gaps returned as gaps.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "2026-10-01T00:00:00Z",
"group": "body",
"name": "from",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "1h",
"group": "body",
"name": "interval",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": [],
"group": "body",
"name": "layers",
"required": false,
"type": "array"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "2026-10-01T06:00:00Z",
"group": "body",
"name": "to",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "base in (BTC)",
"group": "body",
"name": "where",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.02",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "1",
"l30DaysUniquePayers": "1"
},
"serviceName": "DEBYKO",
"tags": [
"crypto",
"perpetuals",
"market-data",
"history",
"point-in-time"
],
"url": "https://api.debyko.com/v2/snapshots/history"
}
],
"enriched": false,
"iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1790948379/bazaar-icons/d75ee889ee21cd6b.png",
"id": "api-debyko-com",
"integrationType": "",
"isNew": false,
"name": "api.debyko.com",
"networks": [
"Base"
],
"priceSummary": {
"avgCostBasis": "exact",
"avgCostPerTransaction": "0.01",
"currency": "USDC",
"maxAmount": "0.02",
"minAmount": "0.005"
},
"provider": "api.debyko.com",
"providerUrl": "",
"serviceName": "DEBYKO",
"tags": [
"ohlcv",
"candles",
"perpetuals",
"derivatives",
"crypto",
"screener",
"funding-rate",
"open-interest",
"market-data",
"history",
"point-in-time"
]
},
"source": "agentic_market",
"summary": ""
}What the leaf hashes
{"body":"82ac0ee93a63ae53cd4b6b39169b0bc7c13df3308d6c559e2a8a61287716a307","id":866,"kind":"listing","method":"baseline/1","observed_us":1793025240763729,"prev":null,"subject":"agentic_market:api-debyko-com","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).
- 0xec40dde0d3b2a42d0e10bbde63588601e210d7aa78430ab58eb8ff042d3e6202
- 0x526b930d56769c29bc874899317c28265a6aeed8f47353f07647686cb8f08b9a
- 0x2978d1a9c4b520200730c464d216f47382aeb1bbfbba41e0402ec0f5cbfa299a
- 0xbe607b9f8dcf93428c7a5e24513fea0a52ab8f9d2e7413834e92898d3cba83d8
- 0x98a174390f4457d07d1a3cdbb4fe69b1c6cb5d0f6f9af2fe528d173117962251
- 0xdefe95bdfa71477a9a3903c9eea19038619684b4e621885428c6d18dd5dc11ec
- 0x4155471f85f51fa5a4532ce14f05ed743c83ff35b215e29fc8b8bc325db7ed21
- 0x73eb5c35c89db5978a77a712d0fb4ed1a9a8eae3dcbe7b78f69e57c2776a379d
- 0xd431109875ad6ba14d3d4bcdb9ca53069b9e23c9de8b8ccdad9978b1a66d4b2f
- 0x0e6847189b6b941d0233f67c69f0c32e1b6794611c654d5a10f2587ccfc1b873
- 0x94e3a06f6e015a8e8a8a7e2c73991edf3f9ceb9ff83b85412d31c39f3e9bc8c1
- 0x4bac6365a3676c613d57c80f4d4f617e583205074db24f3dec4d2ed4939a26e6
- 0xec98ca25cb12ffed7c3e1373971719ce414ee6deecd1e7724b2979e2c356d99f
- 0x614d844c9e0509d9f9e63697aa2935555bce5f13695a8dc0047aa9e9898d70b3
- 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
- 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
- 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae