← The evidence ledger
Evidence row 1261134
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://agent402.tools/api/exchange-rates
- Recorded
- Previous row
- #526035
- Body SHA-256
- e3d93168b7a3f471bd5fa5886201d0c10371f7561060f4cef57ccf660838436d
- Leaf
- 0xb95123145948a24faa9105d92767b90b650a2d50c2fbd199fa8da86671c3bf4c
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": "2026-10-27T11:45:25.848Z",
"quality": {
"l30DaysTotalCalls": 11,
"l30DaysUniquePayers": 4,
"lastCalledAt": "2026-10-27T11:45:25.643Z"
},
"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":"e3d93168b7a3f471bd5fa5886201d0c10371f7561060f4cef57ccf660838436d","id":1261134,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793385502961305,"prev":526035,"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 (243099 rows).
- 0xb951a65c530fd12eca4865ff9adf68e4146a2d2d3932e3fe2758dbc6732026a7
- 0x0853e866dc53ea1023f2af6a82ad9b06c249f5b38ff2c8f06b82ad25a2762957
- 0xf0a95227908b94582ec31e3b45e2cbc74b0f5551fda7a7af91eaca45591d00c8
- 0x03e7516df0e08f65d39212d3cff00f693846f478fc017a2701393e48bb70d23d
- 0xe4f7f3d648c787a16ea4c12125221c7fee28b03492451274e80f13cac4f9f547
- 0x7d16e537e163e1ac45fcec61fddacdf62c6cfb12cb28b9d993056ca7d75ff279
- 0x3c415d991faf357dee5aaa54d0d01d9a6fef7c15741b65bd72a38a9081c4f143
- 0x1a75e0b1e101079bb2f664bd0337d578be6b10301d116cb110d084503a84b6c8
- 0x21893a89d225af423d598945645123d88d5eebf1a78ea24557f5996587c210ea
- 0xe801abb9c5861d1d75a9bc6a2066e45e66fd84301627f5d1559492074526c7f6
- 0x47f8aad1f7695ff641cbb0fe1e5607384eabfe18283bda04f55cb79b25134c22
- 0x8ca94aba4ade14ca276e7764966a63bb41f58eecc28e94bdae70ef1eb4b40db4
- 0x9284dae9a7e06f703013033011cfbc40fdf815bacecff8ae80861ffbba56d6d6
- 0x4ac91605f15503f7d7aa9a25d4e54c100a1a62c26e93a7ed87049569e871a9a4
- 0xa0b1f6bc1eecfaf70581673c1a7f638b96d1769a5c578c460337f7db0dbe963e
- 0x0c59b8770d2782eb535aefbb9b2f6810bab4757f51b37e00f5147713a1de9481
- 0x61ef83255d34604cb052882568ca1d1386ac3cfb8284509715bc1734cff77831
- 0x0c43c73b62a5d49ee1444b5dc4195fc5b16b141d3f4458e2e9fbd5fd6ecb367d
- Day root
- 0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875
- Chained
- 0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822
- Published
- On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861