← The evidence ledger
Evidence row 526949
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
- #452011
- Body SHA-256
- d714caaa45e22abee60bf9a885ceab8f15ad08d83aa5f85bc2c7d2fe764259ec
- Leaf
- 0x034d30c65985b0195e209d050eeb31147c262c9f60bef539556d687f5ec81eb7
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": 5,
"l30DaysUniquePayers": 5,
"lastCalledAt": "2026-10-27T10:07:06.445Z"
},
"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":"d714caaa45e22abee60bf9a885ceab8f15ad08d83aa5f85bc2c7d2fe764259ec","id":526949,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793124793203558,"prev":452011,"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).
- 0x034d2c7aeb8c275d3398f8f116028f9f678b8674bace0fe230dec7a6f1621177
- 0xf284cd54f94e595547c608756a5bb67d6a7213e285e586ab7d704deb001eb687
- 0x34eccc59202bd02955431e8e46f85a63609e3e474bb7d92337129121c9ddc214
- 0xcf7bc9877a1cde576842cf6d8d9ee2a54a547d157d4469c654ab8c3df866a9d6
- 0x017b0599c5417de78b27e82c0759caa2fb43c807dfc184c4e44167cd5ddab1dc
- 0x3b6e8ac5346cadb50b82568418b77d491a46f6af79a3ee417d96750ab4b0a432
- 0xf5f38a7aae38c5c19c3b16f2045436d09dcf52ab0ee44be9be86e40c69694f1f
- 0xcc77cf353a175b01096e8d800fcd3d6953273841f89e628143ce3dd503fec7a2
- 0x55030eee0b91adeccf98ea4874d25d01be75609ed078e1c72581adbaa99fac0b
- 0xab20bc9e40d823264419ad3372c6b90c6a4489a674bed50998a167e5db0218fd
- 0xb428d1c0ffbb1f2e74ff7e62f152f655db4bd1935bbdcbefa7286b1094075929
- 0x05916cc6b98491a0d541e4ecca3d0132fa255184243406b5a8a52bb1b6b63bd0
- 0x5b34b9f89512a83faa4bfecec322037670cc1af58e6e94a86fe88934434d7ddf
- 0x29e12cb67839430fa64ab8bd05d52bab606f2978d9e6d2fb094fece9438fd4de
- 0x2cf27e8a181d60d0dd27c186c2eddfcbb4e8fa71cf66feeb55a4d730e15ee8c4
- 0x518b93854db03dc9fc938883abf30da6eaae5ae0d4336903968fd32a7df8c71b
- 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
- 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
- 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699
- Day root
- 0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
- Chained
- 0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
- Published
- On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4