← The evidence ledger
Evidence row 1038852
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://freetier-agent-api.pages.dev/api/extract-json
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- a7f4655d640a9d6b3ba4141d345448d810d3e695d23e381e5a3913861bcf24b8
- Leaf
- 0x317aa824ea96e2f21c30c2997f3feb86a4659f788a069e06ff954add473356c2
What was observed
{
"endpoints": [
[
"x402",
"https://freetier-agent-api.pages.dev/api/extract-json"
]
],
"name": "Agent Extraction API",
"owner_address": "0x165eb3dc3e98403ecb1141e90400f5e71806554b",
"raw": {
"accepts": [
{
"amount": "10000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x165Eb3dC3E98403ecB1141e90400F5e71806554B",
"scheme": "exact"
}
],
"description": "Messy text + JSON Schema in, clean JSON out. Uses a small LLM (Cloudflare Workers AI, Llama 3.1 8B, JSON mode) when available, else a deterministic key:value/regex extractor; the result is type-checked against your schema and missing fields are null. Limits: text <= 6,000 chars, schema <= 30 top-level properties (flat objects, arrays of scalars); the model can misread ambiguous text, so check important values. Params: text, schema (JSON string), mode=auto|heuristic. GET query or POST JSON body.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"schema": "{\"type\":\"object\",\"properties\":{\"order_id\":{\"type\":\"string\"},\"company\":{\"type\":\"string\"},\"total\":{\"type\":\"number\"},\"currency\":{\"type\":\"string\"},\"due_date\":{\"type\":\"string\",\"format\":\"date\"},\"email\":{\"type\":\"string\",\"format\":\"email\"}}}",
"text": "Order #4471 from ACME GmbH, total EUR 1.299,00, due 2026-11-30, contact billing@acme.example"
},
"type": "http"
},
"output": {
"example": {
"data": {
"company": "ACME GmbH",
"due": "2026-11-30",
"order_id": "4471",
"total": 1299
},
"limits": "Small-model / heuristic extraction; check important values. Text is not stored.",
"method": "workers-ai",
"missing": [],
"model": "@cf/meta/llama-3.1-8b-instruct-fp8-fast",
"not_verbatim_in_text": [],
"sources": [
{
"name": "Cloudflare Workers AI (Llama 3.1 8B fp8-fast, fallback Llama 3.3 70B / Mistral Small 3.1, JSON mode)",
"url": "https://developers.cloudflare.com/workers-ai/"
}
]
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"mode": {
"enum": [
"auto",
"heuristic"
],
"type": "string"
},
"schema": {
"description": "JSON Schema (type object with properties) as a JSON string",
"type": "string"
},
"text": {
"description": "input text, max 6000 chars",
"type": "string"
}
},
"required": [
"text",
"schema"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"data": {
"properties": {
"company": {
"type": [
"string",
"null"
]
},
"due": {
"type": [
"string",
"null"
]
},
"order_id": {
"type": [
"string",
"null"
]
},
"total": {
"type": [
"number",
"null"
]
}
},
"type": "object"
},
"limits": {
"type": [
"string",
"null"
]
},
"method": {
"type": [
"string",
"null"
]
},
"missing": {
"type": [
"array",
"null"
]
},
"model": {
"type": [
"string",
"null"
]
},
"not_verbatim_in_text": {
"type": [
"array",
"null"
]
},
"sources": {
"items": {
"type": [
"object",
"null"
]
},
"type": "array"
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1793252197/bazaar-icons/19906174df41ffa4.png",
"lastUpdated": "2026-10-29T07:52:29.067Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-29T07:52:28.889Z"
},
"resource": "https://freetier-agent-api.pages.dev/api/extract-json",
"serviceName": "Agent Extraction API",
"tags": [
"llm",
"extraction",
"json-schema",
"text"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Messy text + JSON Schema in, clean JSON out. Uses a small LLM (Cloudflare Workers AI, Llama 3.1 8B, JSON mode) when available, else a deterministic key:value/regex extractor; the result is type-checked against your schema and missing fields are null. Limits: text <= 6,000 chars, schema <= 30 top-level properties (flat objects, arrays of scalars); the model can misread ambiguous text, so check important values. Params: text, schema (JSON string), mode=auto|heuristic. GET query or POST JSON body."
}What the leaf hashes
{"body":"a7f4655d640a9d6b3ba4141d345448d810d3e695d23e381e5a3913861bcf24b8","id":1038852,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793298276303752,"prev":null,"subject":"x402_bazaar:https://freetier-agent-api.pages.dev/api/extract-json","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (242798 rows).
- 0x317b9ddf7131b0a0e583064c48a861611a4dc182e0340c2ef9008c4ad2281f89
- 0xa14dd94d94fc47522b81de11cbd68e36088355970892b11853bc76b2df0ae90f
- 0x4b86750d32d3f9b576543de21318575d0cfa90cb3a17a6df24366c1d90722654
- 0x290949efcb1e9fd7a532f7a1145ea7be8cda079507470fa4bef4f7efe2b094fc
- 0x9d1559d575da87b51a9756c82c05719db292b418b9499acbf1e2943fbd17a697
- 0x96162829c9b55ebd0dfcd2998eaf32d9a6b04c50bcba148671346e689dacb16f
- 0x8ca8ac4afa49e498d87f8ee70b74e3adaf89db71276f8c0ed291ca11975bfc0d
- 0xa33f720d8c016e2de25cf8bc9e774cd7bba3a3eba8a01833a68fa0b35be80156
- 0xa2cb5317c7f77f6a4888be37e78b7caea7cd314da1374222e3013f9f12fb0069
- 0x77d336151748965b06fc9a8b0d3ee84ef29bcfd39d66a5db35b687e997b28313
- 0x413960e4c43c9a7b6294c811187d97cad28434e4193a52ee084db8d351830196
- 0x77cc691d6e181a284660f8c49d2c4b7f8c2e147cdd84b4b364121a76c825bb3e
- 0x15a9e69ec55b3b3b0172aac34642cd2d4dd9a7825683c77c1f52fbc1dc101637
- 0xcaae1928370ce22d2a564247e7948dcda78bb8c3ef9a7d8bdfa6e00f84c1e28c
- 0x00268e62f7d5ca6313e0e60afdc2bd4f52c6dbdb3b4b4d27e01e634b4bcb1d2c
- 0x1c3764b490d23b94e5ac838c89f8d3850dedb0819196f367da2479c7a88bf2c0
- 0xd76435ead496863d8b0bfab3434f54cd11da3c49d104fc4064b9cb3381567bbd
- 0xd56e61af23709ed9f460471e3c08400c0142ee83e1fd9057e46350d12edf9c07
- Day root
- 0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c
- Chained
- 0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6
- Published
- On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1