← The evidence ledger
Evidence row 266171
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://serp402.com/api/v1/brave-ai-mode
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 9c11ed90d4bdefaf102d41e28ccfa40cb3d95901ac5125708d139bf7a3d91169
- Leaf
- 0x05a0b82446676cd262dd58a2060fd433d089c80868b55a978ca1b100150c15e0
What was observed
{
"endpoints": [
[
"x402",
"https://serp402.com/api/v1/brave-ai-mode"
]
],
"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": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP"
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "6srFz6v3mSUWBmz6Fx2XUaHQGHCNFJ59z85Cp9UDCvbK",
"scheme": "exact"
}
],
"description": "Brave AI Mode: Brave AI Mode 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": {
"q": "Coffee"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"endpoint": "brave-ai-mode",
"meta": {
"latencyMs": 1400
}
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": true,
"properties": {
"country": {
"description": "country to use for the Brave AI search. It's a two-letter country code. (e.g., us for the United States, uk for United Kingdom, or fr for France). Head to the…",
"type": "string"
},
"language": {
"description": "language to use for the Brave AI search. It's a two-letter language code. (e.g., en for English, es for Spanish, or fr for French). Head to the Brave…",
"type": "string"
},
"lat": {
"description": "a GPS latitude for the search origin. Parameter is required when using lon parameter. Parameter can't be used with location parameter.",
"type": "string"
},
"location": {
"description": "from where you want the search to originate. If several locations match the location requested, we'll pick the most popular one. Head to the /locations.json…",
"type": "string"
},
"lon": {
"description": "a GPS longitude for the search origin. Parameter is required when using lat parameter. Parameter can't be used with location parameter.",
"type": "string"
},
"q": {
"type": "string"
},
"subsequent_request_token": {
"description": "token used to continue a Brave AI Mode conversation. Pass this token to send a follow-up question that includes the prior exchange as context (multi-turn).…",
"type": "string"
},
"units_of_measurement": {
"description": "units of measurement to use. It can be set to: metric - Metric us - Imperial (US)",
"type": "string"
}
},
"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": "Brave AI Mode 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/brave-ai-mode",
"scheme": "exact",
"validUntil": 1793028657,
"version": 1
},
"signature": "0x4ac850cbb463f317f288fc2a375d089ed9d6246e787c8c78ee31ed98f72df49e058215a8a630fd3d5776f863dbce1a40c433403cb0a1f848b376a739bd28ab351c"
},
{
"acceptIndex": 1,
"format": "eip712",
"payload": {
"amount": "50000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "6srFz6v3mSUWBmz6Fx2XUaHQGHCNFJ59z85Cp9UDCvbK",
"resourceUrl": "https://serp402.com/api/v1/brave-ai-mode",
"scheme": "exact",
"validUntil": 1793028657,
"version": 1
},
"signature": "0x659bf4a73d642103730230b6c0953fcea556db286e46a33d1c3a45eca1d0804213f274901796f7baf8f8e324ccd0e7ba2da76631a8d0e93d52afbb46c292fb021b"
}
]
},
"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": "2026-10-26T15:28:57.036Z",
"quality": {
"lastCalledAt": "2026-10-26T15:28:57.036Z"
},
"resource": "https://serp402.com/api/v1/brave-ai-mode",
"serviceName": "serp402",
"tags": [
"ai",
"brave",
"mode",
"x402",
"agents"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Brave AI Mode: Brave AI Mode 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":"9c11ed90d4bdefaf102d41e28ccfa40cb3d95901ac5125708d139bf7a3d91169","id":266171,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793035109427186,"prev":null,"subject":"x402_bazaar:https://serp402.com/api/v1/brave-ai-mode","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).
- 0x05a0cec3902a64d78de33434c9a11898adf480158e07fda1d15000138ac47664
- 0x2acf239402793eef82da86c79ecf141257176eea27fe5d19d884abda8feb006d
- 0x13acdce9c53a77a27a0a9cfe4a56b5568582f55667053132c7553576bee98727
- 0x4ccb6b7321a9a6105f914543fcf886ec6168d2fda93f8c83716d5900b65a002d
- 0xe0b45347d0ff04db6704a869aae8ef8b055b8d396725fbfd5fdc736adb241b49
- 0x502395be0ea1abfdc8abcff5abc0ac4984a9450e52ca062051797c7e1bf4a2ba
- 0x23e43b852ee6382d2c5ff7d4f30729fd942d6cfea4ff3f03b6efe78cda846e2d
- 0x486b649e2cd1f1ad3e4ed81f45eaa34da476b9a196a5e8c6acc45b4d88e079e7
- 0x609dc73fdeb7000e8620565b03d070e6ea6541156815807a25e2bda3e46992ba
- 0x29a79a1e444b726bf2db966f6ad9d0448d93ae7b7180fd783a410b336c52af9b
- 0x88fb9d02ea6ed7254b70cfe02388b31c183a7a709aad6303948d66f85ad516b1
- 0x7910a200eb458bec3c3badb3b2ead3e75cec5f3ba263800cea6b9f32efb53f25
- 0x610fdf3e989af0a6b4a400a3a8aab9156d757f8c96efe4e9d0594dfd04de1cc0
- 0xd1d3499072edb10edc68f84bcae2365d2ab534df689250cab18c751b6f13b6ff
- 0x7ddc2fead128357f881b63e6c7c26d7fbbb84fca6c7c8e0bbfe386de86ca8d39
- 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
- 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae