← The evidence ledger
Evidence row 61660
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://agent402.tools/api/coin-history
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- b6cbef87574ec811e3e13cd76e030771b60df444e5acf49b06bb5e0017cdb639
- Leaf
- 0xb97fc33a88ab68f560854e5940b23bbcb1139fa5e952e2edf391f203874af16b
What was observed
{
"endpoints": [
[
"x402",
"https://agent402.tools/api/coin-history"
]
],
"name": "Coin snapshot on a date",
"owner_address": "0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0",
"raw": {
"accepts": [
{
"amount": "5000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"outputSchema": {
"properties": {
"allCurrencies": {
"type": "object"
},
"cached": {
"type": "boolean"
},
"currency": {
"type": "string"
},
"date": {
"type": "string"
},
"fetchedAt": {
"type": "string"
},
"id": {
"type": "string"
},
"marketCap": {
"type": "integer"
},
"name": {
"type": "string"
},
"price": {
"type": "number"
},
"source": {
"type": "string"
},
"symbol": {
"type": "string"
},
"volume24h": {
"type": "integer"
}
},
"required": [
"source",
"fetchedAt",
"cached",
"id",
"symbol",
"name",
"date",
"currency",
"price",
"marketCap",
"volume24h",
"allCurrencies"
],
"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"
}
],
"description": "Price, market cap and 24h volume of a coin on ONE past date (00:00 UTC snapshot), in every currency at once plus your chosen one called out. Pass `date` (YYYY-MM-DD) or `daysAgo` (1-365). The point-in-time sibling of crypto-history (which returns a series): use it to value a position as of a date, compute a since-date return, or check a tax-lot basis. Historical range on this plan is the past 365 days, enforced before the call. Cached in-process for 5 minutes. Data provided by CoinGecko.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"coin": "bitcoin",
"currency": "usd",
"daysAgo": 30
},
"type": "http"
},
"output": {
"example": {
"allCurrencies": {
"marketCap": {
"usd": 2356000000000
},
"price": {
"btc": 1,
"eur": 100812.3,
"usd": 118412.55
},
"volume24h": {
"usd": 41000000000
}
},
"cached": false,
"currency": "usd",
"date": "2026-07-23",
"fetchedAt": "2026-08-22T13:20:00.000Z",
"id": "bitcoin",
"marketCap": 2356000000000,
"name": "Bitcoin",
"price": 118412.55,
"source": "coingecko",
"symbol": "BTC",
"volume24h": 41000000000
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"coin": {
"description": "Coin id (bitcoin, ethereum, ...).",
"type": "string"
},
"currency": {
"description": "Currency to call out (default usd); all currencies are still returned under `allCurrencies`.",
"type": "string"
},
"date": {
"description": "Snapshot date YYYY-MM-DD (UTC), within the past 365 days. Alternative to daysAgo.",
"type": "string"
},
"daysAgo": {
"description": "Days before today, 1-365 (used when date is absent; default 30).",
"type": "number"
}
},
"required": [
"coin"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"allCurrencies": {
"type": "object"
},
"cached": {
"type": "boolean"
},
"currency": {
"type": "string"
},
"date": {
"type": "string"
},
"fetchedAt": {
"type": "string"
},
"id": {
"type": "string"
},
"marketCap": {
"type": "integer"
},
"name": {
"type": "string"
},
"price": {
"type": "number"
},
"source": {
"type": "string"
},
"symbol": {
"type": "string"
},
"volume24h": {
"type": "integer"
}
},
"required": [
"source",
"fetchedAt",
"cached",
"id",
"symbol",
"name",
"date",
"currency",
"price",
"marketCap",
"volume24h",
"allCurrencies"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
},
"builder-code": {
"info": {
"a": "bc_b4aw4uzd"
},
"schema": {
"$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": "2026-10-21T21:47:01.518Z",
"quality": {
"l30DaysTotalCalls": 8,
"l30DaysUniquePayers": 4,
"lastCalledAt": "2026-10-21T21:47:01.229Z"
},
"resource": "https://agent402.tools/api/coin-history",
"serviceName": "Coin snapshot on a date",
"tags": [
"crypto",
"history",
"snapshot",
"price",
"date"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Price, market cap and 24h volume of a coin on ONE past date (00:00 UTC snapshot), in every currency at once plus your chosen one called out. Pass `date` (YYYY-MM-DD) or `daysAgo` (1-365). The point-in-time sibling of crypto-history (which returns a series): use it to value a position as of a date, compute a since-date return, or check a tax-lot basis. Historical range on this plan is the past 365 days, enforced before the call. Cached in-process for 5 minutes. Data provided by CoinGecko."
}What the leaf hashes
{"body":"b6cbef87574ec811e3e13cd76e030771b60df444e5acf49b06bb5e0017cdb639","id":61660,"kind":"listing","method":"baseline/1","observed_us":1793025451303225,"prev":null,"subject":"x402_bazaar:https://agent402.tools/api/coin-history","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).
- 0xb97fb3c2a3c3162a82b7e18dc3fb21d1c4e680ca7df7d49ed7204da00c9e9dfd
- 0x7425dc8e2e7d000fdb3fa5b44f4281c9a50d9e066600bffdc5aca3e47267cbbf
- 0x9148dffd6957bd02a1d57e9f4942f8a3a7a77f211cf3b1a4b5d43429075e7fdc
- 0xdd8a8952eab4331b33c05bdfbd083e5c94cd483b2677a5d5ccdb72c860873008
- 0x712ed36e5e59dc5f388b7786ad4ffcb318657f9ccb838c12e0412477a3ed4fdd
- 0xae49931b42a915824148dd0399c35a346f95629d9ffdbbd24dfa3adc06281b7d
- 0x9f962eb0f1459f726509fd99134c42450e91626335ca1145b07ca9c25ffb6102
- 0x461fee14af8e9beb9c2d6e1c8d28ece37a61db90f23d62a912f1210af9ec89ba
- 0xf1756829b05217895f68ee473e5303ddded2191c842856cf4e432d9518a7616c
- 0x818cc59d34ccfe2393f92012bc86601afd9f288f2f960767521cbd3053a3333c
- 0xd0a8fcd7581320df765e293ac18ecdb0c84895304e75682f6c130e9b5c6b0ed8
- 0x1a61f9ab4a9304db8146c466be341271a345718ebf06b718e0f0dd9f347d2fbd
- 0x2f43fe2b2533a5f40c107c114e458e226102f5f8ae91f097e964345880e30928
- 0xf692ce2b0a640ec9f75aa960e5fb1c2c7091a04e24881798735752c19014e519
- 0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
- 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
- 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae