← The evidence ledger
Evidence row 16473
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://api.losbeto.xyz/x402-audit
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- b58f527f50bd091adb267ea2965372ccdeeafff7b919bb24724c5cb37a010c9d
- Leaf
- 0xa30d5b924b641165e12cb2d0a4086742b37eab2ba94531147c7361c64b339d1f
What was observed
{
"endpoints": [
[
"x402",
"https://api.losbeto.xyz/x402-audit"
]
],
"name": "Losbeto Market Intelligence",
"owner_address": "0xd5ba9711a3d052846a3695c70e7fcb8b3168fe7d",
"raw": {
"accepts": [
{
"amount": "50000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"requestId": "d96f08c339d8",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
"scheme": "exact"
},
{
"amount": "50000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww",
"requestId": "d96f08c339d8"
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "GEhr9HCFTRDjanMg435frSgCVwVZYpNoPrEkmNBnFHFE",
"scheme": "exact"
},
{
"amount": "50000",
"asset": "31566704",
"extra": {
"feePayer": "ZMFK2OI7ZBD2U27ISERZC4S6LKM6WMFJPZQ4MYNJDZ2VNBNMBA67RA22AA",
"requestId": "d96f08c339d8",
"tag": "x402-global-challenge"
},
"maxTimeoutSeconds": 300,
"network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=",
"payTo": "MRVA6OABPQJNJ2WFUHFY57FMJXHBV37IU665MXRJX4JYBIWGACP3LSDUF4",
"scheme": "exact"
},
{
"amount": "50000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"requestId": "d96f08c339d8",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
"scheme": "exact"
}
],
"description": "Will this x402 endpoint survive a real paying agent — or quietly eat its payment? Audit any endpoint (?url=https://target/path) against the x402 v2 spec: 402 status, challenge structure, accepts fields, price floor, d...",
"extensions": {
"bazaar": {
"dataFreshness": {
"cache_ttl_s": 60,
"live_data": "≤3s from source",
"preview_data": "≤15min delayed"
},
"description": "Will this x402 endpoint survive a real paying agent — or quietly eat its payment? Audit any endpoint (?url=https://target/path) against the x402 v2 spec: 402 status, challenge structure, accepts fields, price floor, d...",
"info": {
"input": {
"method": "GET",
"queryParams": {
"url": "https://api.example.com/endpoint"
},
"type": "http"
},
"output": {
"type": "json"
}
},
"inputSchema": {
"properties": {
"url": {
"description": "Public http/https URL to fetch (internal/private ranges refused)",
"type": "string"
}
},
"required": [
"url"
],
"type": "object"
},
"naturalLanguageDescription": "Will this x402 endpoint survive a real paying agent — or quietly eat its payment? Audit any endpoint (?url=https://target/path) against the x402 v2 spec: 402 status, challenge structure, accepts fields, price floor, discovery extension — plus failure modes learned the hard way operating a live paid node: oversized headers that abort Node clients, unpadded base64 that breaks strict.... Tier: core. Live via x402 or credits; free delayed preview via ?preview=1. Auditable on-chain settlement; Ed25519-signed metrics.",
"pricingRationale": {
"notes": "Aligned to x402 ecosystem median (~$0.028/call). Premium tiers reflect multi-source aggregation cost.",
"price_usdc": 0.05,
"tier": "core",
"vs_median_x402": 1.79
},
"provider": {
"name": "Losbeto Market Intelligence",
"url": "https://api.losbeto.xyz"
},
"ranking_hints": {
"category": "core",
"primary_tag": "Verification",
"unique_selling_point": "Will this x402 endpoint survive a real paying agent — or quietly eat its payment? Audit an"
},
"sampleQueries": [
"GET /x402-audit?preview=1 # free delayed sample",
"GET /x402-audit # live data (returns 402 with payment challenge)",
"GET /x402-audit?url=https://api.example.com/endpoint # with parameters"
],
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"properties": {
"queryParams": {
"properties": {
"url": {
"description": "Public http/https URL to fetch (internal/private ranges refused)",
"type": "string"
}
},
"required": [
"url"
],
"type": "object"
}
},
"type": "object"
},
"output": {
"properties": {
"example": {
"description": "Will this x402 endpoint survive a real paying agent — or quietly eat its payment? Audit any endpoint (?url=https://target/path) against the x402 v2 spec: 402 status, challenge structure, accepts fields, price floor, discovery extension — plus failure modes learned the hard way operating a live paid node: oversized headers that abort Node clients, unpadded base64 that breaks strict...",
"type": "object"
}
},
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
},
"tags": [
"verification",
"trust",
"infrastructure",
"crypto",
"market-data"
],
"title": "X402 Audit — Losbeto",
"useCases": [
"market data input",
"AI agent research",
"systematic trading"
]
}
},
"iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1790529703/bazaar-icons/b104f2f7df1a4ce6.png",
"lastUpdated": "2026-10-26T13:09:45.542Z",
"quality": {
"l30DaysTotalCalls": 77,
"l30DaysUniquePayers": 3,
"lastCalledAt": "2026-10-25T13:04:04.887Z"
},
"resource": "https://api.losbeto.xyz/x402-audit",
"serviceName": "Losbeto Market Intelligence",
"tags": [
"verification",
"trust",
"infrastructure",
"crypto",
"market-data"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Will this x402 endpoint survive a real paying agent — or quietly eat its payment? Audit any endpoint (?url=https://target/path) against the x402 v2 spec: 402 status, challenge structure, accepts fields, price floor, d..."
}What the leaf hashes
{"body":"b58f527f50bd091adb267ea2965372ccdeeafff7b919bb24724c5cb37a010c9d","id":16473,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025323092614,"prev":null,"subject":"x402_bazaar:https://api.losbeto.xyz/x402-audit","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).
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- 0xd2bc27d81a73a53b7c724da36f189ebdd2fef396490722c3ee66192b798d20d0
- 0x19537c574979327583a539261287714af2eee831125de819abab0f155acd3a75
- 0xc34c13c58ba9c342ea1b833ac1882a4aea22777c4fd1092b2f83d3bac6b9f845
- 0x428106f4ae4ec142f17aebf6fa50935242f8d3f1c211cf95d6351d03d11da2b7
- 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
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- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae