← The evidence ledger
Evidence row 547785
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://asin402.com/api/product
- Recorded
- Previous row
- #526645
- Body SHA-256
- 9cf64637e6dfaed3cb6f4b344dcf368936ce16eb1fe31d6bc0ed66cf112901a4
- Leaf
- 0x715967b81837f44dccc699d503b10cce44accf98679517445bde513ab8953c56
What was observed
{
"endpoints": [
[
"x402",
"https://asin402.com/api/product"
]
],
"name": "ASIN402",
"owner_address": "0x820bb89345d372288c77c65d70b6ca3db395c191",
"raw": {
"accepts": [
{
"amount": "5000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 120,
"network": "eip155:8453",
"payTo": "0x820bb89345d372288C77c65d70b6CA3dB395C191",
"scheme": "exact"
}
],
"description": "Amazon price + price history + monthly sales by ASIN. One call, one ASIN: current buy box, Amazon, lowest new and used prices PLUS 30/90/180-day price averages and the typical 180-day price range, estimated monthly sales, sales rank, rating, review count, offer count, brand, category, image. From tracked marketplace history, not a page scrape. 11 Amazon marketplaces (domain=us, uk, de, fr, jp, ca, it, es, in, mx, br). Free sample: /api/sample/product",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"asin": "0735211299"
},
"type": "http"
},
"output": {
"example": {
"amazon_is_seller": false,
"asin": "0735211299",
"brand": "Avery",
"category": "Books > Self-Help > Motivational",
"currency": "USD",
"data_as_of": "2026-10-26T18:40:00.000Z",
"image": "https://m.media-amazon.com/images/I/81ANaVZk5LL.jpg",
"marketplace": "us",
"monthly_sold_estimate": 600,
"new_offer_count": 7,
"price": {
"buy_box": 24.99,
"new_lowest": 23.99,
"used_lowest": 18.5
},
"price_history": {
"avg_180d": 29.5,
"avg_30d": 26.5,
"avg_90d": 28.99,
"basis": "buy_box",
"percent_vs_90d_avg": -13.8,
"typical_high_180d": 29.5,
"typical_low_180d": 25.5
},
"rating": 4.6,
"review_count": 3840,
"sales_rank": 4210,
"title": "Atomic Habits: An Easy & Proven Way to Build Good Habits & Break Bad Ones",
"url": "https://www.amazon.com/dp/0735211299"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"asin": {
"description": "Amazon ASIN, 10 characters (books: ISBN-10)",
"type": "string"
},
"domain": {
"description": "Marketplace: us, uk, de, fr, jp, ca, it, es, in, mx, br. Default us",
"type": "string"
}
},
"required": [
"asin"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"amazon_is_seller": {
"type": "boolean"
},
"asin": {
"type": "string"
},
"brand": {
"type": "string"
},
"category": {
"type": "string"
},
"currency": {
"type": "string"
},
"data_as_of": {
"type": "string"
},
"image": {
"type": "string"
},
"marketplace": {
"type": "string"
},
"monthly_sold_estimate": {
"type": "integer"
},
"new_offer_count": {
"type": "integer"
},
"price": {
"properties": {
"buy_box": {
"type": "number"
},
"new_lowest": {
"type": "number"
},
"used_lowest": {
"type": "number"
}
},
"type": "object"
},
"price_history": {
"properties": {
"avg_180d": {
"type": "number"
},
"avg_30d": {
"type": "number"
},
"avg_90d": {
"type": "number"
},
"basis": {
"type": "string"
},
"percent_vs_90d_avg": {
"type": "number"
},
"typical_high_180d": {
"type": "number"
},
"typical_low_180d": {
"type": "number"
}
},
"type": "object"
},
"rating": {
"type": "number"
},
"review_count": {
"type": "integer"
},
"sales_rank": {
"type": "integer"
},
"title": {
"type": "string"
},
"url": {
"type": "string"
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1793047148/bazaar-icons/9e69a0fc0922f515.png",
"lastUpdated": "2026-10-27T14:41:18.752Z",
"quality": {
"l30DaysTotalCalls": 7,
"l30DaysUniquePayers": 3,
"lastCalledAt": "2026-10-27T14:41:18.566Z"
},
"resource": "https://asin402.com/api/product",
"serviceName": "ASIN402",
"tags": [
"amazon",
"ecommerce",
"product-data",
"price-history",
"fba"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Amazon price + price history + monthly sales by ASIN. One call, one ASIN: current buy box, Amazon, lowest new and used prices PLUS 30/90/180-day price averages and the typical 180-day price range, estimated monthly sales, sales rank, rating, review count, offer count, brand, category, image. From tracked marketplace history, not a page scrape. 11 Amazon marketplaces (domain=us, uk, de, fr, jp, ca, it, es, in, mx, br). Free sample: /api/sample/product"
}What the leaf hashes
{"body":"9cf64637e6dfaed3cb6f4b344dcf368936ce16eb1fe31d6bc0ed66cf112901a4","id":547785,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793133215508134,"prev":526645,"subject":"x402_bazaar:https://asin402.com/api/product","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).
- 0x71590f32435cfe92d3e09bbf55b6dc00a297dc575ca8a47cade1aaf7912082b8
- 0xff43dee663ba220407b05ce1af88e3b867a5c207f40c4cdf72ee3fa6848ee26d
- 0xa3a78965d6bed32c29ad0fe47c94a502751f09f46a54cd9d577ace8cefdc8908
- 0xfd58725a6b56ff99788d3bfa21c1a9412a8ff95659c3db72e71ae1bfcf7022b6
- 0x9273e3c0af28d54ac792e8ae86d20a68e6f10c2a55c38af3105d60be78d0a6e7
- 0xb13cba7c811afb44a2f4e14cfe683c7179d125161ac07162d3ce81ac3acf4311
- 0xe8cfd45f9d81581a4a0190e6cb26214d727d2cc34e585d5e11b77da187409d27
- 0x467aa45d8757586d98b68494bc31d521f2d4f21019952a5775e86b25e274cc3f
- 0x5c46ef045ff70481d44f8492b34efd14de1b09143a98db6e741b0403ccb36d9b
- 0x69ab764893d00eeb5eb2b955e586fb790c8a3e326289e173ea5fc5eb8087790e
- 0x95c0df7fc0477722ad83a4634b422a1cfaabb7e80a9eb5e4018684b65fb2f9b6
- 0x4150865dc22c5026ab3aaed78166c00f6d1d55d60deb27596b675ffe296e1e81
- 0x2926e99aefa0ff2e14a67a3ae10a7f6e753ce4b799c6fe531f8cbf8d33b31a66
- 0xb2ae53d841a55a805fb4078b1a7d44e08a81aba4be3690bac3a5b4c366bf39da
- 0x275720ecabb68df33eee92ae4fd70572a8d952d6c61c061c2869cfc3217aa5c5
- 0x23cf9bb4337ee8be7fcae368fd69d24c62c11fb45882127b4cd919bb96a19996
- 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
- 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
- 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699
- Day root
- 0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
- Chained
- 0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
- Published
- On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4