← The evidence ledger
Evidence row 453690
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://scrooge-x402-tool-mill.vercel.app/v1/watch
- Recorded
- Previous row
- #121049
- Body SHA-256
- 9453873ca90b81771d47bfbf66fd5659d63dda5c8468887f6adaa60569af0ff9
- Leaf
- 0xe308c4d8012f63139fa1d953ed3a8d261352b4def21fc4a1a7997bd2312c68db
What was observed
{
"endpoints": [
[
"x402",
"https://scrooge-x402-tool-mill.vercel.app/v1/watch"
]
],
"name": "scrooge-x402-tool-mill.vercel.app/v1/watch",
"owner_address": "0xfe2353c808f2409ccb81508005a62cef29457706",
"raw": {
"accepts": [
{
"amount": "100000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xfE2353C808F2409cCb81508005A62cef29457706",
"scheme": "exact"
}
],
"description": "Watch one public page for 7 days. Checks hourly. When the content hash changes, POST {watch_id,url,old_fingerprint,new_fingerprint,changed_at} to your https callback (5s timeout, one retry). POST JSON {\"url\":\"https://example.com\",\"callback_url\":\"https://example.com/hook\"}. Returns {watch_id,url,expires,status_url}. Free status is GET /v1/watch/:id and does not show the callback. At 500 active watches, POST returns 503 before payment. $0.10 USDC on Base (eip155:8453). No API key.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"callback_url": "https://example.com/hook",
"url": "https://example.com"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"expires": "2026-10-12T00:00:00.000Z",
"status_url": "https://scrooge-x402-tool-mill.vercel.app/v1/watch/0123456789abcdef0123456789abcdef",
"url": "https://example.com/",
"watch_id": "0123456789abcdef0123456789abcdef"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"callback_url": {
"description": "Public https URL that receives one POST when the page content hash changes",
"format": "uri",
"type": "string"
},
"url": {
"description": "Public http(s) URL to fetch (SSRF-safe; private/link-local blocked)",
"format": "uri",
"type": "string"
}
},
"required": [
"url",
"callback_url"
],
"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": false,
"properties": {
"expires": {
"description": "When the 7-day watch ends",
"format": "date-time",
"type": "string"
},
"status_url": {
"description": "GET this for status. The callback URL is not included.",
"type": "string"
},
"url": {
"description": "Page being watched",
"type": "string"
},
"watch_id": {
"description": "Id for the free status URL",
"type": "string"
}
},
"required": [
"watch_id",
"url",
"expires",
"status_url"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-27T07:26:36.663Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-08T06:27:14.239Z"
},
"resource": "https://scrooge-x402-tool-mill.vercel.app/v1/watch",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Watch one public page for 7 days. Checks hourly. When the content hash changes, POST {watch_id,url,old_fingerprint,new_fingerprint,changed_at} to your https callback (5s timeout, one retry). POST JSON {\"url\":\"https://example.com\",\"callback_url\":\"https://example.com/hook\"}. Returns {watch_id,url,expires,status_url}. Free status is GET /v1/watch/:id and does not show the callback. At 500 active watches, POST returns 503 before payment. $0.10 USDC on Base (eip155:8453). No API key."
}What the leaf hashes
{"body":"9453873ca90b81771d47bfbf66fd5659d63dda5c8468887f6adaa60569af0ff9","id":453690,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100654221507,"prev":121049,"subject":"x402_bazaar:https://scrooge-x402-tool-mill.vercel.app/v1/watch","subject_kind":"source_record"}Proof
Its day has not closed yet. A day closes ten minutes after midnight UTC; the proof appears here then.