← The evidence ledger
Evidence row 407370
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://agent402.tools/api/exchanges
- Recorded
- Previous row
- #61756
- Body SHA-256
- c4b7bf27264e4b6c518336fef0757a30092c7a6f634b0f19469c7c00400e3cb1
- Leaf
- 0x2c2337e85fb8d66d197c6ca4ce161a4b712af8c017ae9b4ff63a215b3c7087ef
What was observed
{
"endpoints": [
[
"x402",
"https://agent402.tools/api/exchanges"
]
],
"name": "Crypto exchanges",
"owner_address": "0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0",
"raw": {
"accepts": [
{
"amount": "5000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"outputSchema": {
"properties": {
"cached": {
"type": "boolean"
},
"count": {
"type": "integer"
},
"exchanges": {
"items": {
"type": "object"
},
"type": "array"
},
"fetchedAt": {
"type": "string"
},
"mode": {
"type": "string"
},
"page": {
"type": "integer"
},
"source": {
"type": "string"
}
},
"required": [
"source",
"fetchedAt",
"cached",
"mode",
"page",
"count",
"exchanges"
],
"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": "Crypto exchanges ranked by trust score: id, name, country, year established, trust score (1-10) and rank, 24h volume in BTC (and normalized), centralized flag and URL; limit 1-100 (default 25). Pass `exchange` (an id such as binance, gdax, kraken) for ONE exchange's profile instead: the same fields plus description, trade volume incl. and excl. wash-trade normalization, ticker count and social links. Cached in-process for 5 minutes. Use exchange-tickers for an exchange's markets.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"limit": 10
},
"type": "http"
},
"output": {
"example": {
"cached": false,
"count": 1,
"exchanges": [
{
"centralized": true,
"country": "United States",
"id": "gdax",
"name": "Coinbase Exchange",
"rank": 1,
"trustScore": 10,
"trustScoreRank": 1,
"url": "https://www.coinbase.com/",
"volume24hBtc": 28651.7,
"volume24hBtcNormalized": 28651.7,
"yearEstablished": 2012
}
],
"fetchedAt": "2026-08-22T13:20:00.000Z",
"mode": "list",
"page": 1,
"source": "coingecko"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"exchange": {
"description": "Profile mode: one exchange id (binance, gdax, kraken, okex, bybit_spot, ...).",
"type": "string"
},
"limit": {
"description": "List mode: 1-100 exchanges (default 25).",
"type": "number"
},
"page": {
"description": "List mode: page number (default 1).",
"type": "number"
}
},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"cached": {
"type": "boolean"
},
"count": {
"type": "integer"
},
"exchanges": {
"items": {
"type": "object"
},
"type": "array"
},
"fetchedAt": {
"type": "string"
},
"mode": {
"type": "string"
},
"page": {
"type": "integer"
},
"source": {
"type": "string"
}
},
"required": [
"source",
"fetchedAt",
"cached",
"mode",
"page",
"count",
"exchanges"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
},
"builder-code": {
"info": {
"a": "bc_b4aw4uzd"
},
"schema": {
"$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": "2026-10-27T04:08:47.818Z",
"quality": {
"l30DaysTotalCalls": 8,
"l30DaysUniquePayers": 4,
"lastCalledAt": "2026-10-20T01:53:26.88Z"
},
"resource": "https://agent402.tools/api/exchanges",
"serviceName": "Crypto exchanges",
"tags": [
"crypto",
"exchanges",
"cex",
"trust-score",
"volume"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Crypto exchanges ranked by trust score: id, name, country, year established, trust score (1-10) and rank, 24h volume in BTC (and normalized), centralized flag and URL; limit 1-100 (default 25). Pass `exchange` (an id such as binance, gdax, kraken) for ONE exchange's profile instead: the same fields plus description, trade volume incl. and excl. wash-trade normalization, ticker count and social links. Cached in-process for 5 minutes. Use exchange-tickers for an exchange's markets."
}What the leaf hashes
{"body":"c4b7bf27264e4b6c518336fef0757a30092c7a6f634b0f19469c7c00400e3cb1","id":407370,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793080246029598,"prev":61756,"subject":"x402_bazaar:https://agent402.tools/api/exchanges","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).
- 0x2c2310d60bc7a7f2f054ec9a59b89ac9003ff00b81ba84bd78f16f69435c9d09
- 0x8b0637b33fd06d37e391e3c2accf0ca659ac7937d2f97e32b879679fbb4107b6
- 0x45293b56585e89d07f83519797afe1e74aafe944902ed6960813d35d6e3e38dd
- 0xa5f38faf549d4e2021ba33b435c93bbb20ee95a2b64ad748df5ad41637ca7749
- 0x6e6e076ff0dd4449d0c6da05b5b56572d907f4364c4a4ba0ee4512fa6eff93b6
- 0x8d9ec17c007f228d98d78fe119b46a762f638dc47dba968e93ec6ccdfd83d6c7
- 0x048a80c8085753cd6bfe9a89ec2668d13e29bb8d7064628401c0e91f85f9c192
- 0x2d869cc212e4b888c0a4c9f5c25164f8d575ae644106ffc79e26772b596b03fb
- 0x540c7b8a35bbad5de0469e2176313ac67073a2c15c35a52627e0f26bb0d11541
- 0x9f38b2d0cdf030f1ca9ca51487a6c76c5a9623e4e45659d35a1fa1a6e036ec3c
- 0x763c44f231f5e75793734fa25fb1791b7269f0745f8d34ba7ac82bc2806e3367
- 0x7ba1b835277802a22a6f62a758420094404a75d3c14f34dd88b403fbf174b26b
- 0xf9e544d10b80657275e1e196da89ba5336a7cc49eaa0d6d801fb5d632cf5deec
- 0x8ff18b1523f9fbdd16a5796cbe184b46854c06256508af8de5509b598370c725
- 0xa383a1cfe9b3f6af67eb4c7642564b9424d46d7fca90e7ba175d549f8b67dd0c
- 0x52efa60e0c3d8525486d2310eb3b6b566c9677c64fd1f819edb072cf101bcbdb
- 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
- 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
- 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699
- Day root
- 0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
- Chained
- 0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
- Published
- On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4