← The evidence ledger
Evidence row 425149
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://agent402.tools/api/exchange-rates
- Recorded
- Previous row
- #407371
- Body SHA-256
- 9f36f7c913f008e1e304be7cc97ba71e136c4ec82ee00c1ad2515a8e5a29488a
- Leaf
- 0x4d331e30136d5f132707a6b7052b3cf73c750755a41acb9d6676b2296b23309e
What was observed
{
"endpoints": [
[
"x402",
"https://agent402.tools/api/exchange-rates"
]
],
"name": "BTC exchange rates",
"owner_address": "0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0",
"raw": {
"accepts": [
{
"amount": "5000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"outputSchema": {
"properties": {
"base": {
"type": "string"
},
"cached": {
"type": "boolean"
},
"count": {
"type": "integer"
},
"fetchedAt": {
"type": "string"
},
"rates": {
"items": {
"properties": {
"code": {
"type": "string"
},
"name": {
"type": "string"
},
"perBtc": {
"type": "number"
},
"type": {
"type": "string"
},
"unit": {
"type": "string"
}
},
"type": "object"
},
"type": "array"
},
"source": {
"type": "string"
}
},
"required": [
"source",
"fetchedAt",
"cached",
"base",
"count",
"rates"
],
"type": "object"
},
"payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
"scheme": "exact"
},
{
"amount": "5000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
"scheme": "exact"
},
{
"amount": "5000",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:42161",
"payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
"scheme": "exact"
},
{
"amount": "5000",
"asset": "0x754704Bc059F8C67012fEd69BC8A327a5aafb603",
"extra": {
"name": "USDC",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:143",
"payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
"scheme": "exact"
},
{
"amount": "5000",
"asset": "0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:43114",
"payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
"scheme": "exact"
},
{
"amount": "5000",
"asset": "0xe15fC38F6D8c56aF07bbCBe3BAf5708A2Bf42392",
"extra": {
"name": "USDC",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:1329",
"payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
"scheme": "exact"
},
{
"amount": "6000",
"asset": "0x0b2C639c533813f4Aa9D7837CAf62653d097Ff85",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:10",
"payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
"scheme": "exact"
},
{
"amount": "5000",
"asset": "0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168",
"extra": {
"name": "Global Dollar",
"version": "1"
},
"maxTimeoutSeconds": 300,
"network": "eip155:4663",
"payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
"scheme": "exact"
},
{
"amount": "5000",
"asset": "0xcebA9300f2b948710d2653dD7B07f33A8B32118C",
"extra": {
"name": "USDC",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:42220",
"payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
"scheme": "exact"
},
{
"amount": "5000",
"asset": "0x3600000000000000000000000000000000000000",
"extra": {
"name": "USDC",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:5042",
"payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
"scheme": "exact"
},
{
"amount": "5000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"assetTransferMethod": "permit2",
"facilitatorAddress": "0x14fDa13953Fc30428938E6BF950d036e77214e52",
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
"scheme": "upto"
},
{
"amount": "5000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP"
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "J7aN3PLJnTCF5qpEnvJHJsnCjcGuqC2rYtEM8Gv3xwg",
"scheme": "exact"
},
{
"amount": "50000",
"asset": "CCW67TSZV3SSS2HXMBQ5JFGCKJNXKZM7UQUWUZPUTHXSTZLEO7SJMI75",
"extra": {
"areFeesSponsored": true
},
"maxTimeoutSeconds": 300,
"network": "stellar:pubnet",
"payTo": "GDNJXCKW7ZM7GEEVP674TWPU26YJNBQ2FI4ZIPRKTPTNUEJMDHFJWWRL",
"scheme": "exact"
},
{
"amount": "5000",
"asset": "31566704",
"extra": {
"feePayer": "ZMFK2OI7ZBD2U27ISERZC4S6LKM6WMFJPZQ4MYNJDZ2VNBNMBA67RA22AA",
"tag": "x402-global-challenge"
},
"maxTimeoutSeconds": 300,
"network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=",
"payTo": "C7IIHG7SPLPZ5H7ZT6HW3UV2OQMQQE6Y2HBNGZXSLRJULE42BEE2OY2XIE",
"scheme": "exact"
},
{
"amount": "5000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "GatewayWalletBatched",
"verifyingContract": "0x77777777dcc4d5a8b6e418fd04d8997ef11000ee",
"version": "1"
},
"maxTimeoutSeconds": 604900,
"network": "eip155:8453",
"payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
"scheme": "exact"
},
{
"amount": "5000",
"asset": "0x3600000000000000000000000000000000000000",
"extra": {
"name": "GatewayWalletBatched",
"verifyingContract": "0x77777777dcc4d5a8b6e418fd04d8997ef11000ee",
"version": "1"
},
"maxTimeoutSeconds": 604900,
"network": "eip155:5042",
"payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
"scheme": "exact"
}
],
"description": "BTC-denominated exchange rates for ~60 units: crypto (ETH, LTC, BNB, SOL, ...), fiat (USD, EUR, JPY, ...) and commodities (gold, silver ounces), each as units per 1 BTC with name and type. Optional `currencies` filter (comma-separated unit codes) and `type` filter (crypto, fiat, commodity). One call gives a consistent cross-rate table: BTC in gold ounces, ETH/BTC, USD/JPY via BTC. Cached in-process for 60 seconds. Data provided by CoinGecko.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"currencies": "usd,eur,eth,xau"
},
"type": "http"
},
"output": {
"example": {
"base": "BTC",
"cached": false,
"count": 4,
"fetchedAt": "2026-08-22T13:20:00.000Z",
"rates": [
{
"code": "usd",
"name": "US Dollar",
"perBtc": 77018,
"type": "fiat",
"unit": "$"
},
{
"code": "eur",
"name": "Euro",
"perBtc": 65600.2,
"type": "fiat",
"unit": "€"
},
{
"code": "eth",
"name": "Ether",
"perBtc": 31.813,
"type": "crypto",
"unit": "ETH"
},
{
"code": "xau",
"name": "Gold - Troy Ounce",
"perBtc": 22.91,
"type": "commodity",
"unit": "XAU"
}
],
"source": "coingecko"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"currencies": {
"description": "Optional comma-separated unit codes to keep (usd, eur, eth, xau, ...). Default: all.",
"type": "string"
},
"type": {
"description": "Optional filter: crypto, fiat or commodity.",
"type": "string"
}
},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"base": {
"type": "string"
},
"cached": {
"type": "boolean"
},
"count": {
"type": "integer"
},
"fetchedAt": {
"type": "string"
},
"rates": {
"items": {
"properties": {
"code": {
"type": "string"
},
"name": {
"type": "string"
},
"perBtc": {
"type": "number"
},
"type": {
"type": "string"
},
"unit": {
"type": "string"
}
},
"type": "object"
},
"type": "array"
},
"source": {
"type": "string"
}
},
"required": [
"source",
"fetchedAt",
"cached",
"base",
"count",
"rates"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
},
"builder-code": {
"info": {
"a": "bc_b4aw4uzd"
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"additionalProperties": false,
"properties": {
"a": {
"description": "App builder code",
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
},
"s": {
"description": "Service builder codes",
"items": {
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
},
"maxItems": 11,
"type": "array"
},
"w": {
"description": "Wallet builder code",
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
}
},
"type": "object"
}
},
"payment-identifier": {
"info": {
"required": false
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"id": {
"maxLength": 128,
"minLength": 16,
"pattern": "^[a-zA-Z0-9_-]+$",
"type": "string"
},
"required": {
"type": "boolean"
}
},
"required": [
"required"
],
"type": "object"
}
}
},
"iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1787497819/bazaar-icons/478aced8e219894c.png",
"lastUpdated": "2026-10-27T04:08:44.749Z",
"quality": {
"l30DaysTotalCalls": 10,
"l30DaysUniquePayers": 4,
"lastCalledAt": "2026-10-27T04:08:44.566Z"
},
"resource": "https://agent402.tools/api/exchange-rates",
"serviceName": "BTC exchange rates",
"tags": [
"crypto",
"exchange-rates",
"btc",
"fiat",
"gold"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "BTC-denominated exchange rates for ~60 units: crypto (ETH, LTC, BNB, SOL, ...), fiat (USD, EUR, JPY, ...) and commodities (gold, silver ounces), each as units per 1 BTC with name and type. Optional `currencies` filter (comma-separated unit codes) and `type` filter (crypto, fiat, commodity). One call gives a consistent cross-rate table: BTC in gold ounces, ETH/BTC, USD/JPY via BTC. Cached in-process for 60 seconds. Data provided by CoinGecko."
}What the leaf hashes
{"body":"9f36f7c913f008e1e304be7cc97ba71e136c4ec82ee00c1ad2515a8e5a29488a","id":425149,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793086105796055,"prev":407371,"subject":"x402_bazaar:https://agent402.tools/api/exchange-rates","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).
- 0x4d332957aa66c0ca1ce9fd49f327f0d1c492e6b2d46ded8ab0848da80dffca03
- 0x7fe36f9d967bc42684b60624b2876697060f54163e4385aa59f49e903dd27f4d
- 0xa9d01800d1b972720c231fef53cffdc46e2ac435789ef9c341b7fa4fbe44f590
- 0x229445bb1c3e453cfaf17c8f4aab50da6fa5908fd39b5f141be042e0359927cf
- 0x971057c3fad12af38dd2dd0bfa100c1298670e67bd0097860e71f7bdc3d24831
- 0xf5e13db910eb5f4ba217cdd0e03bdbc183318cbccb48e3f816e08e5df78193ee
- 0xd2918eb3027b5f2f84061815439503b5f237f336d39c36cf61d64527248c14f9
- 0xde3b7019f8e7f367576abf20cd73bb683875eef754bf130988847101f39c345c
- 0x3811164146559bfa0686efbe968aa5d5632791b5e52940b748f9faae3d9675e5
- 0x9305fa39c0bfbf15674949ab145ca0a40479400bedc3333826053de29a32e9ef
- 0x699e1831216ceb5d0324397f8f4f58989765f950328c8adcbcb3a202d688993c
- 0xf9b21ec258212225fc012a1ed6399d0ec608e930f4423d2badb8be79550861ef
- 0x797da99476c7ebaa971607ae725e5e240b79de9e49d28859b94de107c850aaab
- 0x9ea0c6a53f80a30b6f13671109f98a000cf98e581875129f4be4b57131d06364
- 0xb78ea6a255dd06e2f402a1a733bca392fa6243920bcba95e8b80bdfc6ce5f553
- 0x3ed50f053eca72dfd3a9d45a11935240bfe691e57835c367ddebe2cbc49efe9d
- 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
- 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
- 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699
- Day root
- 0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
- Chained
- 0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
- Published
- On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4