← The evidence ledger
Evidence row 15722
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://api.losbeto.xyz/br-pix-code
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 4dff9d1f3566cdc83e2bdbc90caf55ae67453cd6e1d075d182aa9b61f14b01cd
- Leaf
- 0xa332e5dec1eec9df82b51ba7ba79090f058672652f21b8f8dc6269c24b520a69
What was observed
{
"endpoints": [
[
"x402",
"https://api.losbeto.xyz/br-pix-code"
]
],
"name": "Losbeto Market Intelligence",
"owner_address": "0xd5ba9711a3d052846a3695c70e7fcb8b3168fe7d",
"raw": {
"accepts": [
{
"amount": "10000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"requestId": "2d0f733afbe7",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww",
"requestId": "2d0f733afbe7"
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "GEhr9HCFTRDjanMg435frSgCVwVZYpNoPrEkmNBnFHFE",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "31566704",
"extra": {
"feePayer": "ZMFK2OI7ZBD2U27ISERZC4S6LKM6WMFJPZQ4MYNJDZ2VNBNMBA67RA22AA",
"requestId": "2d0f733afbe7",
"tag": "x402-global-challenge"
},
"maxTimeoutSeconds": 300,
"network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=",
"payTo": "MRVA6OABPQJNJ2WFUHFY57FMJXHBV37IU665MXRJX4JYBIWGACP3LSDUF4",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"requestId": "2d0f733afbe7",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
"scheme": "exact"
}
],
"description": "Generate a valid static or amount-fixed PIX BR Code from ?key= plus optional name, city, amount, txid. Returns the EMV payload with a correct CRC16, plus a self-check that re-parses what it just built. Use when an age...",
"extensions": {
"bazaar": {
"dataFreshness": {
"cache_ttl_s": 60,
"live_data": "≤3s from source",
"preview_data": "≤15min delayed"
},
"description": "Generate a valid static or amount-fixed PIX BR Code from ?key= plus optional name, city, amount, txid. Returns the EMV payload with a correct CRC16, plus a self-check that re-parses what it just built. Use when an age...",
"info": {
"input": {
"method": "GET",
"queryParams": {
"amount": "10.00",
"key": "pay@example.com"
},
"type": "http"
},
"output": {
"type": "json"
}
},
"inputSchema": {
"properties": {
"amount": {
"description": "amount parameter",
"type": "string"
},
"key": {
"description": "key parameter",
"type": "string"
}
},
"required": [
"amount",
"key"
],
"type": "object"
},
"naturalLanguageDescription": "Generate a valid static or amount-fixed PIX BR Code from ?key= plus optional name, city, amount, txid. Returns the EMV payload with a correct CRC16, plus a self-check that re-parses what it just built. Use when an agent needs to be PAID in Brazil. Do NOT use to decode an existing QR — that is /br-pix-parse.. Tier: discovery. 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 (~$0.028/call). Premium tiers reflect multi-source aggregation cost.",
"price_usdc": 0.01,
"tier": "discovery",
"vs_median_x402": 0.36
},
"provider": {
"name": "Losbeto Market Intelligence",
"url": "https://api.losbeto.xyz"
},
"ranking_hints": {
"category": "discovery",
"primary_tag": "Brazil",
"unique_selling_point": "Generate a valid static or amount-fixed PIX BR Code from ?key= plus optional name, city, a"
},
"sampleQueries": [
"GET /br-pix-code?preview=1 # free delayed sample",
"GET /br-pix-code # live data (returns 402 with payment challenge)",
"GET /br-pix-code?key=pay@example.com&amount=10.00 # with parameters"
],
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"properties": {
"queryParams": {
"properties": {
"amount": {
"description": "amount parameter",
"type": "string"
},
"key": {
"description": "key parameter",
"type": "string"
}
},
"required": [
"amount",
"key"
],
"type": "object"
}
},
"type": "object"
},
"output": {
"properties": {
"example": {
"description": "Generate a valid static or amount-fixed PIX BR Code from ?key= plus optional name, city, amount, txid. Returns the EMV payload with a correct CRC16, plus a self-check that re-parses what it just built. Use when an agent needs to be PAID in Brazil. Do NOT use to decode an existing QR — that is /br-pix-parse.",
"type": "object"
}
},
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
},
"tags": [
"brazil",
"pix",
"payments",
"crypto",
"market-data"
],
"title": "Br Pix Code — 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": "2026-10-26T14:25:03.533Z",
"quality": {
"l30DaysTotalCalls": 81,
"l30DaysUniquePayers": 4,
"lastCalledAt": "2026-10-25T12:56:56.669Z"
},
"resource": "https://api.losbeto.xyz/br-pix-code",
"serviceName": "Losbeto Market Intelligence",
"tags": [
"brazil",
"pix",
"payments",
"crypto",
"market-data"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Generate a valid static or amount-fixed PIX BR Code from ?key= plus optional name, city, amount, txid. Returns the EMV payload with a correct CRC16, plus a self-check that re-parses what it just built. Use when an age..."
}What the leaf hashes
{"body":"4dff9d1f3566cdc83e2bdbc90caf55ae67453cd6e1d075d182aa9b61f14b01cd","id":15722,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025321290435,"prev":null,"subject":"x402_bazaar:https://api.losbeto.xyz/br-pix-code","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).
- 0xa3336195b150a52b101222144d323ccf0b68dbccf18ebbc9c041799205ec750a
- 0xc3cbfd183117c7f39ef8a2e73167678bdb68b5ef510506f89e85c7883f6281f0
- 0xf4a99ba4bf6c16cbcfb298f83c3668cbb25c9587e1b45d2b99f9d5d1c2bdff9a
- 0x69caf4c66a2e2a75a838cf08338c88d997772ef1d8648c8b55c9449ee9e4e933
- 0xdd1c5e455176d9c299130f5d4c5e187bc6618bca83b43f58bbaec8cc864b2d3c
- 0x665c0b6f8a5d3a5ef867bde2441d0c35f22f2a761e4eb0c349212dc417bd7dbf
- 0x68f092a6fa89507ebdb11be006aa686f523f6ae7b657ffc684746384eaa85383
- 0x342c5a60042c2660f677b7e624e750a59f10aeefcdc37161ede4962e9f36d08c
- 0x956e2775a1c8c595dca8ca94938d6cfa37df73918e6612cf61dbc5f45c8e4bce
- 0x7adfb47ecfda217ca42c908cb971dd1ceaa64411de0157e4eeeee4ba0ca9cfde
- 0xd2bc27d81a73a53b7c724da36f189ebdd2fef396490722c3ee66192b798d20d0
- 0x19537c574979327583a539261287714af2eee831125de819abab0f155acd3a75
- 0xc34c13c58ba9c342ea1b833ac1882a4aea22777c4fd1092b2f83d3bac6b9f845
- 0x428106f4ae4ec142f17aebf6fa50935242f8d3f1c211cf95d6351d03d11da2b7
- 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
- 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
- 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae