← The evidence ledger
Evidence row 751102
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://asin402.com/api/watch
- Recorded
- Previous row
- #563484
- Body SHA-256
- cb4dd5f285c48ee256c77f9fbb68400fa6ae1221337cc66cb45b0e8cb7481ca2
- Leaf
- 0x2e01bd35a28d316061188d7bff54fe3162888322ac4979328d4cc54d59effeaf
What was observed
{
"endpoints": [
[
"x402",
"https://asin402.com/api/watch"
]
],
"name": "ASIN402",
"owner_address": "0x820bb89345d372288c77c65d70b6ca3db395c191",
"raw": {
"accepts": [
{
"amount": "168000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 120,
"network": "eip155:8453",
"payTo": "0x820bb89345d372288C77c65d70b6CA3dB395C191",
"scheme": "exact"
}
],
"description": "Watch Amazon ASINs: scheduled price, buy box and stock checks with change alerts. Pay once to monitor 1-50 ASINs every 1h, 3h, 6h, 12h or 24h for 1-30 days. Each check records buy box, Amazon, lowest new/used price, stock, buy box seller, offer count, sales rank and rating, and logs changes as events (price drops/rises, out of stock, back in stock, buy box seller change, below your target price). Poll the free status URL with your watch key to read new events. The first check runs immediately. P",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"asins": "0735211299,B0F3GWXLTS",
"days": 7,
"interval": "6h",
"price_below": 15
},
"type": "http"
},
"output": {
"example": {
"asins": 2,
"checks_planned": 28,
"current": {
"0735211299": {
"amazon": 23.99,
"buy_box": 24.99,
"in_stock": true,
"new_lowest": 18.5,
"new_offers": 7,
"sales_rank": 3840
}
},
"days": 7,
"interval": "6h",
"key": "wk_secret-shown-once",
"marketplace": "us",
"next_check": "2026-10-28T02:00:00.000Z",
"price_paid": "$0.336",
"status_url": "https://asin402.com/api/watch/w_AbCdEf123456?key=wk_secret-shown-once",
"watch_id": "w_AbCdEf123456"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"asins": {
"description": "1-50 comma-separated ASINs (or an array in a POST body)",
"type": "string"
},
"buybox": {
"description": "1 (default) tracks buy box price and seller. 0 = cheaper: Amazon and lowest offer prices only",
"enum": [
0,
1
],
"type": "integer"
},
"days": {
"description": "How long to watch, 1-30 days. Default 7",
"type": "integer"
},
"domain": {
"description": "Marketplace: us, uk, de, fr, jp, ca, it, es, in, mx, br. Default us",
"type": "string"
},
"interval": {
"description": "Time between checks. Default 6h",
"enum": [
"1h",
"3h",
"6h",
"12h",
"24h"
],
"type": "string"
},
"min_change_pct": {
"description": "Ignore price moves smaller than this percent. Default 1",
"type": "number"
},
"price_below": {
"description": "Optional target: an event fires when the price falls to or below this (marketplace currency)",
"type": "number"
}
},
"required": [
"asins"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"asins": {
"type": "integer"
},
"checks_planned": {
"type": "integer"
},
"current": {
"properties": {
"0735211299": {
"properties": {
"amazon": {
"type": "number"
},
"buy_box": {
"type": "number"
},
"in_stock": {
"type": "boolean"
},
"new_lowest": {
"type": "number"
},
"new_offers": {
"type": "integer"
},
"sales_rank": {
"type": "integer"
}
},
"type": "object"
}
},
"type": "object"
},
"days": {
"type": "integer"
},
"interval": {
"type": "string"
},
"key": {
"type": "string"
},
"marketplace": {
"type": "string"
},
"next_check": {
"type": "string"
},
"price_paid": {
"type": "string"
},
"status_url": {
"type": "string"
},
"watch_id": {
"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": "2026-10-28T01:08:26.661Z",
"quality": {
"l30DaysTotalCalls": 3,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-28T01:08:26.505Z"
},
"resource": "https://asin402.com/api/watch",
"serviceName": "ASIN402",
"tags": [
"amazon",
"ecommerce",
"product-data",
"price-history",
"fba"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Watch Amazon ASINs: scheduled price, buy box and stock checks with change alerts. Pay once to monitor 1-50 ASINs every 1h, 3h, 6h, 12h or 24h for 1-30 days. Each check records buy box, Amazon, lowest new/used price, stock, buy box seller, offer count, sales rank and rating, and logs changes as events (price drops/rises, out of stock, back in stock, buy box seller change, below your target price). Poll the free status URL with your watch key to read new events. The first check runs immediately. P"
}What the leaf hashes
{"body":"cb4dd5f285c48ee256c77f9fbb68400fa6ae1221337cc66cb45b0e8cb7481ca2","id":751102,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793178704187796,"prev":563484,"subject":"x402_bazaar:https://asin402.com/api/watch","subject_kind":"source_record"}Proof
Its day has not closed yet. A day closes ten minutes after midnight UTC; the proof appears here then.