← The evidence ledger
Evidence row 257551
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://serp402.com/api/v1/walmart-product-sellers
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 75449a9405a2d11543365985ee7ebde8326990e90efac6279dfaa680b06ed5e2
- Leaf
- 0x00f80f243ca7e08d7c0bfeef4a8207216d3065f6180f79c93f8263afff521611
What was observed
{
"endpoints": [
[
"x402",
"https://serp402.com/api/v1/walmart-product-sellers"
]
],
"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 Sellers: Walmart Sellers results, returned as JSON. 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": {
"product_id": "138762768",
"store_id": "3081"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"endpoint": "walmart-product-sellers",
"meta": {
"latencyMs": 1400
}
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": true,
"properties": {
"product_id": {
"description": "unique product identifier to get more seller options of a specific product. You need to pass the us_item_id . It can be found from either Organic Results API…",
"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"
}
},
"required": [
"product_id",
"store_id"
],
"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 Sellers 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-product-sellers",
"scheme": "exact",
"validUntil": 1793029134,
"version": 1
},
"signature": "0xbf8984c0035d3df0462f579ad5e9086761a3e235b614fbf4e01480c2f59cb68b0d18ccb4cf21c2f7430e9e29d11e2e707bf232b43e707e430b0d6b58aec3cf351b"
},
{
"acceptIndex": 1,
"format": "eip712",
"payload": {
"amount": "50000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "6srFz6v3mSUWBmz6Fx2XUaHQGHCNFJ59z85Cp9UDCvbK",
"resourceUrl": "https://serp402.com/api/v1/walmart-product-sellers",
"scheme": "exact",
"validUntil": 1793029134,
"version": 1
},
"signature": "0x65f52bf9c0237ddd8445d0423582522fd210a14d49ab2dcc2dbcd103111be38956a3876e8abb197a6fcde47f0ea2903562666df4dd96d68ffa7fbcc0b5af5b961b"
}
]
},
"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": "2026-10-26T15:36:54.399Z",
"quality": {
"lastCalledAt": "2026-10-26T15:36:54.399Z"
},
"resource": "https://serp402.com/api/v1/walmart-product-sellers",
"serviceName": "serp402",
"tags": [
"commerce",
"walmart",
"product",
"sellers",
"x402"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Walmart Sellers: Walmart Sellers results, returned as JSON. 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":"75449a9405a2d11543365985ee7ebde8326990e90efac6279dfaa680b06ed5e2","id":257551,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793029766478674,"prev":null,"subject":"x402_bazaar:https://serp402.com/api/v1/walmart-product-sellers","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).
- 0x00f7d6acc6518380827690f7921b85e29e1f918712092738ec16d6b2c93624cb
- 0x94b8f14ddade03c0c6547553cf8391d3c3dd00c2e7ce4027aaad5fadb6ff2550
- 0x4657ba9453b9b87d3a41fe81477fdca96c38482b4c48423618ad4f635551c9a7
- 0xb3255db2ca49cf0200fcdf9701f29810e9c14291558ad2a463ef15ec4c9f2d29
- 0x2a7ddfd9f43e698849d3591426554ab2acaa15b110036ee9d2c0dc42d053bddb
- 0xeb0db7be8a314b5eeffd0c2a0450a3dd53f26d0070ba82f684289c1e7eb9b276
- 0xd277e65c97f888f4c3db3b2dd7dcf8ff9a5a4ae71efd696c3c75e81210e6e741
- 0xc44aac0b451ab3a106ea9440891730c429443c0630f1608ebf43faf7df666fd7
- 0x2fc363c5bba070471eb54f7f068787ab3dde45fba438e19d28a6b3c06783741e
- 0x0318758518e80d451d4f575531dcd2cc2b24eb8d4c0b8a59ffb33d387428afa1
- 0xdbc41a9a60a4504b5d2eaf9b4bdc4f7e216ca3dfaa1fe4bcdd27541133e12a2d
- 0x9d52e830c7a3480876eca1592c3b5c4a56ee3a8c6fdd4e37c57710b7654e36c7
- 0x92ff7d176556ddbe3d885e2ab73948b14a6aa3568a8fd237427d4f8415235a23
- 0xd1d3499072edb10edc68f84bcae2365d2ab534df689250cab18c751b6f13b6ff
- 0x7ddc2fead128357f881b63e6c7c26d7fbbb84fca6c7c8e0bbfe386de86ca8d39
- 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
- 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae