← The evidence ledger
Evidence row 452011
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://draconic21-x402-api.onrender.com/v1/token_price
- Recorded
- Previous row
- #74316
- Body SHA-256
- 6bc1188f4f30dea2d7f2a13de2eedd6c618e120470a8c6b64cdca2f033b2b108
- Leaf
- 0xe20a318fa49c56e98d12148bcc84527245e04dac4adfd0d42a2d3dc42fae5265
What was observed
{
"endpoints": [
[
"x402",
"https://draconic21-x402-api.onrender.com/v1/token_price"
]
],
"name": "d21 token_price",
"owner_address": "0x1520ef5530aa71350049be2903cf078b38c40ae5",
"raw": {
"accepts": [
{
"amount": "3000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x1520Ef5530AA71350049BE2903Cf078B38c40AE5",
"scheme": "exact"
},
{
"amount": "3000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP"
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "6mc4GhWFyNcMh7gAVDWrKeYjDqFtEKWKQuZ9RTw2VkfM",
"scheme": "exact"
}
],
"description": "Token Price ($0.003): Base token price derived from on-chain state, not a resold price-API feed. Curated majors (ETH, WETH, USDC, DAI, cbETH, cbBTC, BTC) are priced from Chainlink's own Data Feed aggregator contracts on Base; any other Base ERC-20 address is priced from its deepest discoverable Uniswap V3 pool against USDC (with a liquidity read and a low-liquidity flag), or a clean unsupported-token error if no pool is discoverable. Also accepts { coins }, a comma-separated batch of symbols…",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"symbol": "WETH"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"caveats": [
"Chainlink price feeds update on their own deviation-threshold/heartbeat schedule, not ever…"
],
"price": {
"quote": "USD",
"value": "2683.92507148",
"value_number": 2683.92507148
},
"source": {
"chainlink": {
"feed_address": "0x71041dddad3595F9CEd3DcCFBe3D1F4b0a16Bb70",
"pair": "ETH / USD"
},
"method": "chainlink"
},
"token": {
"address": "0x4200000000000000000000000000000000000006",
"decimals": 18,
"symbol": "WETH"
}
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": true,
"properties": {
"address": {
"description": "Any Base ERC-20 contract address (0x...), priced from its deepest live Uniswap V3 USDC pool. Mutually exclusive with symbol/coins.",
"type": "string"
},
"coins": {
"description": "Comma-separated batch of symbols and/or 0x addresses, up to 10 (e.g. 'BTC,ETH,0x...') — same param name the category-leading incumbent uses. Mutually exclusive with symbol/address.",
"type": "string"
},
"quote": {
"description": "Quote currency, default USD.",
"enum": [
"USD",
"ETH"
],
"type": "string"
},
"symbol": {
"description": "Curated major token symbol: ETH, WETH, USDC, DAI, CBETH, CBBTC, or BTC. Mutually exclusive with address/coins.",
"type": "string"
}
},
"required": [],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"asOf": {
"format": "date-time",
"type": "string"
},
"block": {
"properties": {
"number": {
"type": "integer"
},
"timestamp_iso": {
"type": "string"
}
},
"type": "object"
},
"caveats": {
"items": {
"type": "string"
},
"type": "array"
},
"confidence": {
"properties": {
"level": {
"enum": [
"high",
"medium",
"low"
],
"type": "string"
},
"note": {
"type": "string"
}
},
"type": "object"
},
"count": {
"type": "integer"
},
"historical": {
"enum": [
false
],
"type": "boolean"
},
"liquidity": {
"properties": {
"estimated_total_value_usd": {
"type": "number"
},
"tier": {
"enum": [
"high",
"medium",
"low"
],
"type": "string"
},
"token_reserve": {
"type": "number"
},
"usdc_reserve": {
"type": "number"
}
},
"type": [
"object",
"null"
]
},
"mode": {
"enum": [
"batch"
],
"type": "string"
},
"price": {
"properties": {
"quote": {
"enum": [
"USD",
"ETH"
],
"type": "string"
},
"value": {
"type": "string"
},
"value_number": {
"type": "number"
}
},
"type": "object"
},
"prices": {
"items": {
"properties": {
"confidence": {
"maximum": 1,
"minimum": 0,
"type": "number"
},
"decimals": {
"type": "integer"
},
"key": {
"type": "string"
},
"method": {
"enum": [
"chainlink",
"dex_pool"
],
"type": "string"
},
"price": {
"type": "number"
},
"query": {
"type": "string"
},
"resolved": {
"enum": [
true
],
"type": "boolean"
},
"symbol": {
"type": [
"string",
"null"
]
},
"timestamp": {
"type": "integer"
}
},
"type": "object"
},
"type": "array"
},
"requested": {
"type": "integer"
},
"source": {
"properties": {
"chainlink": {
"properties": {
"feed_address": {
"type": "string"
},
"pair": {
"type": "string"
}
},
"type": "object"
},
"dex": {
"properties": {
"fee_tier_bps": {
"type": "number"
},
"name": {
"type": "string"
},
"pool_address": {
"type": "string"
},
"quote_token": {
"type": "string"
}
},
"type": "object"
},
"method": {
"enum": [
"chainlink",
"dex_pool",
"on-chain"
],
"type": "string"
}
},
"type": "object"
},
"staleness": {
"properties": {
"seconds": {
"type": "integer"
}
},
"type": "object"
},
"token": {
"properties": {
"address": {
"type": [
"string",
"null"
]
},
"decimals": {
"type": "integer"
},
"symbol": {
"type": [
"string",
"null"
]
}
},
"type": "object"
},
"unresolved": {
"items": {
"properties": {
"query": {
"type": "string"
},
"reason": {
"type": "string"
},
"resolved": {
"enum": [
false
],
"type": "boolean"
}
},
"type": "object"
},
"type": "array"
}
},
"required": [
"source",
"caveats"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-27T10:07:06.648Z",
"quality": {
"l30DaysTotalCalls": 4,
"l30DaysUniquePayers": 4,
"lastCalledAt": "2026-10-15T07:30:50.396Z"
},
"resource": "https://draconic21-x402-api.onrender.com/v1/token_price",
"serviceName": "d21 token_price",
"tags": [
"token-price",
"crypto-price",
"onchain-price",
"base-chain",
"chainlink"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Token Price ($0.003): Base token price derived from on-chain state, not a resold price-API feed. Curated majors (ETH, WETH, USDC, DAI, cbETH, cbBTC, BTC) are priced from Chainlink's own Data Feed aggregator contracts on Base; any other Base ERC-20 address is priced from its deepest discoverable Uniswap V3 pool against USDC (with a liquidity read and a low-liquidity flag), or a clean unsupported-token error if no pool is discoverable. Also accepts { coins }, a comma-separated batch of symbols…"
}What the leaf hashes
{"body":"6bc1188f4f30dea2d7f2a13de2eedd6c618e120470a8c6b64cdca2f033b2b108","id":452011,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100516953474,"prev":74316,"subject":"x402_bazaar:https://draconic21-x402-api.onrender.com/v1/token_price","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).
- 0xe20a49f473ea8f87c134c682b1884485244807781de06fa42f1b86986e8fecb1
- 0xad1acf3e4e9aed383b01d68cbfa534b6750c21bb6b6c482346915388f39c78d0
- 0xbfc12319094938309c8103434cdfecc405bfb44c7bb1bb6278bbd3490df33396
- 0xb71608f6a88b34caad39d35ec17df9632581df52ca73ce6434ea80e884e3ecc8
- 0x1377a8989a8e1fe83bf271e7d3ab0b32170f9ef504bb0393bc66a854dd3bc9c7
- 0x1f806a18666f06fa1897e943558ebeb7ec27137ca64e7c303665568194b192e0
- 0x8da7bde9aa3d3dda224b82d6a6681c38f989cebcf18199e226120f0735f6f12d
- 0x22149605595324ea9bd4456d6ee19fba9147e13a197d2c4586c3c070ea0f4c3a
- 0xb0415bfee170fcac495400b459249991ebda3b484a9591bcfb94dd190a431ad4
- 0x9f13d093f46ebcfa68f1c0fba8bd7e50babde259291e3165e02e92d9d5d97ee9
- 0x685edc20eef134e9053b5f48e92fbcfdce3625c2c28f68c4ec9232819c669574
- 0xa7bf7b9cc7b39dca708cf0cc5d77059435823b975a1b485d07bbb69188527cb0
- 0x979156f4f0a1ab811055c0a4d2b45bfa74d4bef619c176540454ee8d15e5bebc
- 0xf72dee7a0c7534cb19ede4959b957b00c0a8285c36ad49dd2ce1c1092bf60d93
- 0x24e3e2bb8ee1e8d20756de35f0e0c4ec8eb1f193bd2cf3f077ee1f92f211c34d
- 0x8745bd887f5ce9f7a49558fd2b04cdcd97a05ea9f8a23f62d0e80cb13d328b0f
- 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
- 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
- 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699
- Day root
- 0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
- Chained
- 0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
- Published
- On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4