← The evidence ledger
Evidence row 527120
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://api.debyko.com/v2/candles
- Recorded
- Previous row
- #452179
- Body SHA-256
- 02c7aedc0737421a1698831809ebf1e39bcc0e1160a36aa76f3123360982964e
- Leaf
- 0x3a2101995df4cfbba6026f0d57e3c58d926d8c3a5a6efb56a8861956c5b75c4c
What was observed
{
"endpoints": [
[
"x402",
"https://api.debyko.com/v2/candles"
]
],
"name": "DEBYKO",
"owner_address": "0x17b2c55872338727660aa77776a4056a1a3158ec",
"raw": {
"accepts": [
{
"amount": "5000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 60,
"network": "eip155:8453",
"payTo": "0x17b2c55872338727660aa77776a4056a1a3158ec",
"scheme": "exact"
},
{
"amount": "9000000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 60,
"network": "eip155:8453",
"payTo": "0x17b2c55872338727660aa77776a4056a1a3158ec",
"scheme": "exact"
},
{
"amount": "29000000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 60,
"network": "eip155:8453",
"payTo": "0x17b2c55872338727660aa77776a4056a1a3158ec",
"scheme": "exact"
},
{
"amount": "99000000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 60,
"network": "eip155:8453",
"payTo": "0x17b2c55872338727660aa77776a4056a1a3158ec",
"scheme": "exact"
},
{
"amount": "249000000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 60,
"network": "eip155:8453",
"payTo": "0x17b2c55872338727660aa77776a4056a1a3158ec",
"scheme": "exact"
}
],
"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 Global Derivatives, Coinbase — legacy API, migrated and 12 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.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"from": "2026-10-01T00:00:00Z",
"timeframe": "1h",
"to": "2026-10-01T06:00:00Z",
"where": "base in (BTC)"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"evaluated_at": "2026-10-14T12:00:05Z",
"from": "2026-10-01T00:00:00Z",
"items": [
{
"candles": [
{
"close": 64180.5,
"close_time": "2026-10-01T01:00:00Z",
"high": 64210,
"low": 64050,
"open": 64100,
"open_time": "2026-10-01T00:00:00Z",
"received_at": null,
"status": "present",
"trade_count": 9130,
"venue_ts": null,
"volume": 512.4
}
],
"instrument": "BTC-PERP",
"kind": "perpetual",
"quote": "USDC",
"retention_from": "2026-09-21T00:00:00Z",
"source": "derived",
"status": "present",
"units": {
"price": "quote",
"volume": "base"
},
"venue": "HYPERLIQUID",
"venue_symbol": "BTC"
}
],
"items_sha256": "0000000000000000000000000000000000000000000000000000000000000000",
"price_type": "trade",
"receipt_id": "3yLdkPqXw7ZaB2nVt0RhUe",
"served_at": "2026-10-14T12:00:05.000000Z",
"settled": true,
"timeframe": "1h",
"to": "2026-10-01T06:00:00Z",
"units": "published"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"as_of": {
"pattern": "^[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}(\\.[0-9]{3})?Z$",
"type": "string"
},
"closed_only": {
"default": true,
"type": "boolean"
},
"from": {
"description": "Start of the window, UTC, e.g. 2026-10-01T00:00:00Z.",
"pattern": "^[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}(\\.[0-9]{3})?Z$",
"type": "string"
},
"include_gaps": {
"default": true,
"description": "true (default) keeps periods with no candle as gap rows.",
"type": "boolean"
},
"include_synthetic": {
"default": false,
"type": "boolean"
},
"kind": {
"default": "perpetual",
"enum": [
"perpetual",
"spot",
"all"
],
"type": "string"
},
"number_format": {
"default": "json",
"enum": [
"json",
"string"
],
"type": "string"
},
"price_type": {
"default": "trade",
"description": "trade (default), mark or index.",
"enum": [
"trade",
"mark",
"index"
],
"type": "string"
},
"timeframe": {
"description": "Candle period, e.g. 1m, 15m, 1h or 1d; GET /v2/dql/catalogue lists them.",
"type": "string"
},
"to": {
"description": "End of the window, UTC, e.g. 2026-10-01T06:00:00Z.",
"pattern": "^[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}(\\.[0-9]{3})?Z$",
"type": "string"
},
"trade": {
"type": "boolean"
},
"units": {
"default": "published",
"enum": [
"published",
"base"
],
"type": "string"
},
"where": {
"description": "DQL selection of the markets to read, e.g. base in (BTC) or venue = HYPERLIQUID and base = BTC.",
"oneOf": [
{
"type": "string"
},
{
"type": "object"
}
]
}
},
"required": [
"timeframe",
"from",
"to"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"headers": {
"additionalProperties": {
"type": "string"
},
"type": "object"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"queryParams": {
"additionalProperties": {
"type": "string"
},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"additionalProperties": false,
"properties": {
"capabilities_as_of": {
"oneOf": [
{
"pattern": "^[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}(\\.[0-9]{3})?Z$",
"type": "string"
},
{
"type": "null"
}
]
},
"data_as_of": {
"pattern": "^[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}(\\.[0-9]{3})?Z$",
"type": "string"
},
"evaluated_at": {
"pattern": "^[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}(\\.[0-9]{3})?Z$",
"type": "string"
},
"from": {
"pattern": "^[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}(\\.[0-9]{3})?Z$",
"type": "string"
},
"items": {
"items": {
"additionalProperties": false,
"properties": {
"candles": {
"type": "array"
},
"identity_basis": {
"enum": [
"recorded",
"reconstructed"
],
"type": "string"
},
"identity_corrected_at": {
"pattern": "^[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}(\\.[0-9]{3})?Z$",
"type": "string"
},
"instrument": {
"type": [
"string",
"null"
]
},
"kind": {
"enum": [
"perpetual",
"spot"
],
"type": "string"
},
"quote": {
"type": [
"string",
"null"
]
},
"reason": {
"enum": [
"not_retained",
"gap",
"insufficient_history",
"reference_not_listed",
"policy_off",
"venue_capability",
"no_value",
"band_truncated",
"partial_coverage",
"unit_unknown",
"unmapped",
"funding_continuous",
"collector_gap",
"horizon_passed",
"connection_lost",
"state_lag",
"source_error",
"horizon_unknown",
"freshness_bound",
"halted",
"no_update",
"not_in_scope",
"no_venues"
],
"type": "string"
},
"reasons": {
"type": "object"
},
"retention_from": {},
"source": {
"enum": [
"venue",
"derived"
],
"type": "string"
},
"status": {
"enum": [
"present",
"stale",
"missing",
"not_published",
"off"
],
"type": "string"
},
"units": {
"type": "object"
},
"venue": {
"type": "string"
},
"venue_symbol": {
"type": "string"
}
},
"required": [
"instrument",
"venue",
"venue_symbol",
"quote",
"status",
"source",
"retention_from",
"units",
"candles"
],
"type": "object"
},
"type": "array"
},
"items_sha256": {
"pattern": "^[0-9a-f]{64}$",
"type": "string"
},
"listings_as_of": {
"oneOf": [
{
"pattern": "^[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}(\\.[0-9]{3})?Z$",
"type": "string"
},
{
"type": "null"
}
]
},
"normalisation_version": {
"type": "string"
},
"price_type": {
"enum": [
"trade",
"mark",
"index"
],
"type": "string"
},
"receipt_id": {
"pattern": "^[0-9A-Za-z]{22}$",
"type": "string"
},
"resolved_from": {
"additionalProperties": {
"type": "string"
},
"type": "object"
},
"served_at": {
"pattern": "^[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}\\.[0-9]{6}Z$",
"type": "string"
},
"settled": {
"type": "boolean"
},
"timeframe": {
"type": "string"
},
"to": {
"pattern": "^[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}(\\.[0-9]{3})?Z$",
"type": "string"
},
"units": {
"enum": [
"published",
"base"
],
"type": "string"
}
},
"required": [
"evaluated_at",
"settled",
"items_sha256",
"timeframe",
"price_type",
"from",
"to",
"units",
"items"
],
"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/v1790948379/bazaar-icons/d75ee889ee21cd6b.png",
"lastUpdated": "2026-10-27T10:00:04.631Z",
"quality": {
"l30DaysTotalCalls": 6,
"l30DaysUniquePayers": 6,
"lastCalledAt": "2026-10-27T10:00:04.163Z"
},
"resource": "https://api.debyko.com/v2/candles",
"serviceName": "DEBYKO",
"tags": [
"ohlcv",
"candles",
"perpetuals",
"derivatives",
"crypto"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "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 Global Derivatives, Coinbase — legacy API, migrated and 12 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."
}What the leaf hashes
{"body":"02c7aedc0737421a1698831809ebf1e39bcc0e1160a36aa76f3123360982964e","id":527120,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793124794353681,"prev":452179,"subject":"x402_bazaar:https://api.debyko.com/v2/candles","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (273461 rows).
- 0x3a20f4a3129e9f9bc90ce874a8cf7d1c0f5c81065dbddbbd50ab664284be49dc
- 0xacb394f463a0aeab715c343322aa785059d881f7105ee5d7187f4327b1c0f314
- 0x917fb30ff1b31151a3843b77283b1f855c6f2caee5f7efae661ecd50ebdf8bb8
- 0x8e9db483f7b9bd842fef5e2a0e77fe4e035dea11528f9bafec52d99b35e2977e
- 0x802ca645850cea7a303a2714d3368723f2c2772a4a5232fbbefdae0860a21571
- 0x96998c64d568b23e5ef760aa177f725057be30fc9cdce0511387501923d9e055
- 0xd84999fd5a942ac77499f047f18c5a71591680b9d3c5eb990d7d757479f34725
- 0x5e5cc33ac5879b82de5c501ad0ce8e37bc49319059fbb49d7c88883a2fd5e396
- 0x76ba9ab130389e91ac749d7668a26b65b5fdca942028b0ab137fb676fca8f032
- 0x20dbe8a978b71c865495b5eca97e15fce3a6b41f17facc85d1be13c3383515ec
- 0x3689959f22248b99aac42058fcdd09cd65a6236ef340ba1b624c29d4313a37d4
- 0x4add9ebe2bbf86a7a32e3cec38874af82baf38b21fde64a6952bf3d4124e2c7f
- 0x9e70d944564843a0f0d88b623d628ff2e2ac17c172d4ebe0ed141fe8b9f9dae4
- 0x42784d9809d120654630ee1b254a1dd90a2bbd3024aa180f1a59bbf53e9316e4
- 0x8360ee1105e4d9f9312067cbbfd47c69c5948665ae582b9684a580c8f4e199e1
- 0x52efa60e0c3d8525486d2310eb3b6b566c9677c64fd1f819edb072cf101bcbdb
- 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
- 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
- 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699
- Day root
- 0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
- Chained
- 0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
- Published
- On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4