← The evidence ledger
Evidence row 257550
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://serp402.com/api/v1/walmart-search
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- a09d27920befee518e7137c7ed3ec72e13317f7ec59b78b1af0407a6a9cfc9be
- Leaf
- 0x3346dcf700aaa890606ae69a72eb7b7426edc9ec4557e864c96e5c1936907fec
What was observed
{
"endpoints": [
[
"x402",
"https://serp402.com/api/v1/walmart-search"
]
],
"name": "serp402",
"owner_address": "0xaa1252d726567293cffe6ca495e32c6aecfdc56d",
"raw": {
"accepts": [
{
"amount": "50000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 120,
"network": "eip155:8453",
"payTo": "0xAA1252D726567293cffE6Ca495e32c6AEcfDC56d",
"scheme": "exact"
},
{
"amount": "50000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88"
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "6srFz6v3mSUWBmz6Fx2XUaHQGHCNFJ59z85Cp9UDCvbK",
"scheme": "exact"
}
],
"description": "Walmart: Product titles, descriptions, prices, IDs and more. Structured JSON, USD 0.05 per call in USDC — no API key, no account, no subscription, no minimum. Not affiliated with, endorsed by or an official channel of any of the services the results come from. All trademarks and copyright remain the property of their respective owners.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"query": "bread"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"endpoint": "walmart-search",
"meta": {
"latencyMs": 1400
}
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": true,
"properties": {
"cat_id": {
"description": "Category on Walmart Search. (e.g. 0 (default) is all departments, 976759_976787 is 'Cookies', etc.). Either a query or a cat_id parameter is required. Note:…",
"type": "string"
},
"device": {
"description": "device to use to get the results. It can be set to desktop (default) to use a regular browser, tablet to use a tablet browser (currently using iPads), or…",
"type": "string"
},
"facet": {
"description": "items filtering based on their attributes. The structure is a list of key:value pairs separated by . The key and value are separated by :",
"type": "string"
},
"include_filters": {
"description": "Include filters to the JSON response. Set to true to enable or false to disable (default).",
"type": "string"
},
"max_price": {
"description": "Upper bound of price range query.",
"type": "string"
},
"min_price": {
"description": "Lower bound of price range query.",
"type": "string"
},
"nd_en": {
"description": "Show results with NextDay delivery only. Set to true to enable or false (default) to disable. Note: not supported for walmart.com.mx .",
"type": "string"
},
"page": {
"description": "Value is used to get the items on a specific page. (e.g., 1 (default) is the first page of results, 2 is the 2nd page of results, 3 is the 3rd page of…",
"type": "string"
},
"query": {
"description": "search query. You can use anything that you would use in a regular Walmart search. Either a query or a cat_id parameter is required.",
"type": "string"
},
"soft_sort": {
"description": "Parameter enables sort by relevance. Walmart is by default showing results sorted by relevance and using the sort option. Set to false to disable sort by…",
"type": "string"
},
"sort": {
"description": "sorting. (e.g. price_low , price_high , best_seller , best_match , rating_high , new ). Note: best_seller , rating_high , and new are not supported for…",
"type": "string"
},
"spelling": {
"description": "Activate spelling fix. true (default) includes spelling fix, false searches without spelling fix.",
"type": "string"
},
"store_id": {
"description": "Store ID to filter the products by the specific store only. Head to the Walmart Stores Locations for a full list of supported stores. It's possible for the…",
"type": "string"
},
"walmart_domain": {
"description": "Walmart domain to use. It defaults to walmart.com . Head to the Walmart Stores for a full list of supported stores per domain.",
"type": "string"
}
},
"required": [
"query"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"additionalProperties": true,
"description": "Walmart results as structured JSON. The shape follows the source, so fields differ between endpoints; identifiers and routing belonging to the collection layer are stripped.",
"properties": {
"attribution": {
"description": "Where the data comes from and what was done to it. Keep it with the results if you pass them on.",
"type": "object"
},
"endpoint": {
"description": "Which endpoint answered.",
"type": "string"
},
"meta": {
"description": "How long the call took.",
"type": "object"
},
"paid": {
"description": "The settled transaction and network.",
"type": "object"
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
},
"offer-receipt": {
"info": {
"offers": [
{
"acceptIndex": 0,
"format": "eip712",
"payload": {
"amount": "50000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"network": "eip155:8453",
"payTo": "0xAA1252D726567293cffE6Ca495e32c6AEcfDC56d",
"resourceUrl": "https://serp402.com/api/v1/walmart-search",
"scheme": "exact",
"validUntil": 1793029140,
"version": 1
},
"signature": "0x215ebbf76f4eafea61e57d1a7707ecd899e5f1e43e37444fcda7865633d918e91585455eea2421795418286d5b78d785258086807d4622da3c3ec0ee617f63f11c"
},
{
"acceptIndex": 1,
"format": "eip712",
"payload": {
"amount": "50000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "6srFz6v3mSUWBmz6Fx2XUaHQGHCNFJ59z85Cp9UDCvbK",
"resourceUrl": "https://serp402.com/api/v1/walmart-search",
"scheme": "exact",
"validUntil": 1793029140,
"version": 1
},
"signature": "0x5ff25b55f4768c4d957e7102f69859bfff195df291d2815e4ace0ee8bd3e1f126a1a191f1843fc8fd90c8d4ff66e9de7e7c78d301b98b7ff0182d0c550a050e71b"
}
]
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"offers": {
"items": {
"properties": {
"acceptIndex": {
"type": "integer"
},
"format": {
"type": "string"
},
"payload": {
"properties": {
"amount": {
"type": "string"
},
"asset": {
"type": "string"
},
"network": {
"type": "string"
},
"payTo": {
"type": "string"
},
"resourceUrl": {
"type": "string"
},
"scheme": {
"type": "string"
},
"validUntil": {
"type": "integer"
},
"version": {
"type": "integer"
}
},
"required": [
"version",
"resourceUrl",
"scheme",
"network",
"asset",
"payTo",
"amount"
],
"type": "object"
},
"signature": {
"type": "string"
}
},
"required": [
"format",
"signature"
],
"type": "object"
},
"type": "array"
}
},
"required": [
"offers"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-26T15:37:00.412Z",
"quality": {
"lastCalledAt": "2026-10-26T15:37:00.412Z"
},
"resource": "https://serp402.com/api/v1/walmart-search",
"serviceName": "serp402",
"tags": [
"commerce",
"walmart",
"search",
"x402",
"agents"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Walmart: Product titles, descriptions, prices, IDs and more. Structured JSON, USD 0.05 per call in USDC — no API key, no account, no subscription, no minimum. Not affiliated with, endorsed by or an official channel of any of the services the results come from. All trademarks and copyright remain the property of their respective owners."
}What the leaf hashes
{"body":"a09d27920befee518e7137c7ed3ec72e13317f7ec59b78b1af0407a6a9cfc9be","id":257550,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793029766476215,"prev":null,"subject":"x402_bazaar:https://serp402.com/api/v1/walmart-search","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).
- 0x33459de2f539c979cf57ec5478ef9a9f03c8165e3592b46da739c18a0d979295
- 0x8a41af98ddc481cba6e188ce02d7aa6807f8aa0c9f9a09b12886f059f85957e3
- 0x006c0815a477b8da5fa0998bd539a3f44f49de02b9702607798ad4d58ce35a0b
- 0x9b897067a553e4d10af30f7d5ed5c85b4735ffe5615c13009e78c70abe16d1b1
- 0xec472f05ca739041dda497da64c9f407c4f7ccf46ac4b200f7741eadf7523af5
- 0xe6bc91469aef1b7b53db45305f7cd26d7bb9df9eff65f5d62c438181fa93d950
- 0x7a40037d650ffc22de541b0b88af3f67bbc6e2efddc01412cf0e5a472b8b8b2b
- 0x6eba5e03440b1ec2bdfe672bc51502f078731071a483901564599615c787795f
- 0xb2bab65867ba7d25c34235548a5a9e41e04bfe9b838908d08d5c38942b76a15d
- 0x147a93b247f471325988f4856b3ff7043d5e5fa80b374a5deccea90eab3af0fe
- 0xc99ea26556ddad6b2fde7887de8c0190d3a7c645402227c5a281ba47e02a67e5
- 0x2f4617d7a962f32849050ad5649d9dc4f962fd8618073cfa8519e6f862dfcef8
- 0x08de74b7fb265ddb83e4c673da8a94e5f71829b2e6e7464c71c5138e450f2217
- 0x4338355a835617a26aa0bfcc971e84eb030d84e2aa840e3c8af958921dd080c7
- 0x610738e0c43687aded83c613c73de8b5226c73c375858a167436461c522ea213
- 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
- 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae