← The evidence ledger
Evidence row 257553
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://serp402.com/api/v1/walmart-product
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 0934dee0fe7acd68606d64d80074e54bae2892a8141adfa6af2c2856ea29cd12
- Leaf
- 0x55f32b17d0f48efb837dd45e98e43e869b1c6b34042f8b9de9520648cb6e6a15
What was observed
{
"endpoints": [
[
"x402",
"https://serp402.com/api/v1/walmart-product"
]
],
"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: Product title, description, prices, manufacturer, links 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": {
"product_id": "138762768"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"endpoint": "walmart-product",
"meta": {
"latencyMs": 1400
}
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": true,
"properties": {
"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"
},
"product_id": {
"description": "product to get results for. Normally found from shopping results for supported products (e.g., https://www.walmart.com/ip/{product_id} ). You can pass…",
"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"
],
"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 Product 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",
"scheme": "exact",
"validUntil": 1793029126,
"version": 1
},
"signature": "0xcf98f5a6c5318a91287b35ae0429205564605f7675ae8d103c530e0fa7c1c55e45d0f6d9d5a610c8a5f0bdc30362f5f4fdc60dde4311a2c5be1f9c6eeb61c5061b"
},
{
"acceptIndex": 1,
"format": "eip712",
"payload": {
"amount": "50000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "6srFz6v3mSUWBmz6Fx2XUaHQGHCNFJ59z85Cp9UDCvbK",
"resourceUrl": "https://serp402.com/api/v1/walmart-product",
"scheme": "exact",
"validUntil": 1793029126,
"version": 1
},
"signature": "0x906d20928f8283f7c4f808f31c10494b0be94cd4cf75affbe7c163d89a1ec1520bf59d8efa36da40c0a9400f391323469c990944e565e10c03620565cef60a681c"
}
]
},
"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": "2026-10-26T15:36:46.369Z",
"quality": {
"lastCalledAt": "2026-10-26T15:36:46.369Z"
},
"resource": "https://serp402.com/api/v1/walmart-product",
"serviceName": "serp402",
"tags": [
"commerce",
"walmart",
"product",
"x402",
"agents"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Walmart Product: Product title, description, prices, manufacturer, links 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":"0934dee0fe7acd68606d64d80074e54bae2892a8141adfa6af2c2856ea29cd12","id":257553,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793029766483492,"prev":null,"subject":"x402_bazaar:https://serp402.com/api/v1/walmart-product","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).
- 0x55f355f9e42eba68c6971fa546e8f4e47013b7102622cbd8f77de22ab7fd68d1
- 0xf53d0ff7c6640bbb23898576806cc8b96a969794dc4221bdacd85408b74628fd
- 0xaab49212a2a40d5a9932dec2e3eeab5bf3677b295ef37fcf65fba6fd2deb48c5
- 0xdc06442601346c9336d7de3b99e0e6d42e27eb2e76eee73d2072700941f88d39
- 0xae01c1b51e78c060a70c072ad03a2e5a95a6b73f42f07dc455a09c00f270e6e0
- 0xcbcb4baf8e5c5fdd386f6dcd0c724ce232664402bded8b72a84812a62860e38f
- 0xc74ec71187898ca3fc1dfc4c69f02161d5d32652c88d1cf844b950eed3f3e005
- 0xcb2d58416091e4508f2bc04e613da4ddb6f83e403c46f8907ed49d34d2b5d864
- 0x0fff2a25bd55d5a83085df36a883aee1c11c8c47faa99faf78e16ce0e54dbba4
- 0x110be28c9460fde9da5777e67d467b9565876e6ebc73c8245c5d1e989797387f
- 0x014e6ac2bd09cb47ef261fa8d56392362b98c9b103bb1037674237d3604f081f
- 0x31b890f57b06aeb1ca9fb0cdc688bb75678ab9b2ff8ba49765e3d7bc0ae98597
- 0x8ba3430866b4c11cea7eba9923ee4fa8a5074849df417006e4441426c1f13056
- 0x5cdeb4648502e0633d01cc4f3379d48cccb9d4f528565b2868eb93db0df9e829
- 0x7726154b91b2ad65b13849ef6cb6443b1f0ff113a3089c9bd5f2bcfc16be099d
- 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
- 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae