← The evidence ledger
Evidence row 452336
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://asin402.com/api/product
- Recorded
- Previous row
- #425255
- Body SHA-256
- c4a255929cabd003a9683d9c21230d64aa492d7a205359b848bd77f9ade9f8da
- Leaf
- 0xf8de602180c44581a030dce092daaaed76d0c9f478674d9f2bec48759e5d207c
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": "2026-10-27T09:35:55.658Z",
"quality": {
"l30DaysTotalCalls": 5,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-27T04:58:23.604Z"
},
"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":"c4a255929cabd003a9683d9c21230d64aa492d7a205359b848bd77f9ade9f8da","id":452336,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100520596143,"prev":425255,"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).
- 0xf8de1b69ccc35fbd7a725d81756cf5482e01f7f36a12e0981aa934587acbe736
- 0xc8d8bd9fc70ab554ec5e9e50c79e12c07d808f997595e55571ea06547eb9355e
- 0x44851b8f42333b92d3235d4fcc1a4214f77d5040f05133aa957f4e087c0b463c
- 0x726ecc439697f9fccae09395cab58c79101f512d531bd3067b6120d782cfe4b8
- 0xbd66754f37890a9e4b207e59a6b033a12f863f670331528b1c4bd1026c803767
- 0x412826bdc7f7f83f7ed54650ba434eea132c137ef2d56dc05e3d7a5d5396b5a4
- 0x5d9febfd8d57bdb955ea9c3b8af3b2fda41d5126ccbc3332ceb294073ab45f74
- 0x5c97fbf8fb8ed07f45c2d83d904ea6a4758be83a89fa1dfc1f92e0a2fd4a2896
- 0xe9faf7e227ec3a53f0a1ca841671a37905b2c9657ecb1d62f0c27a9f239c79a1
- 0xb216d7be3719888c5905d4d551a416130bdb347b2c87c55396c45675287fdff5
- 0x0910ffa4c5b68bfeab876c95d437a268cbe3ce3065ac289e0ccc44dd931c928a
- 0x3d6ce9e9447d644baa93c05c5ec0a44778000bfa82e0208f4a0086c782198964
- 0x2cba9be288dab78cb9c5f54fa13242712b2493da9f833a7c3cdd92cde60662b0
- 0x94d3785ce9330e4580bccada5459380aa2aac76a0bf11354d1353b375afc17d2
- 0xb5b652bba4a5afca56c21031d89b1c06361563aaf54ccc8541c296ceeb2b66fa
- Day root
- 0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
- Chained
- 0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
- Published
- On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4