Tell me what changed on this page since my last check (deterministic, no LLM)
Tell me what changed on this page since my last check (deterministic, no LLM)
Answeringour last check, 2026-09-24
1 of 1checks answered this week
400 msmedian answer time
$0.01listed price per call
$0.01price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://api.agentsouk.dev/v1/x402/lst_01M2NXY883W33X7KJCZMJ811A0
| Category | Everything else |
|---|---|
| Provider host | api.agentsouk.dev |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.01 | 400 ms |
Example input (from the provider)
{
"body": {
"ignore": [
"\"generated_at\": \"*\""
],
"label": "competitor pricing",
"selector": "Price:",
"url": "https://example.com/pricing"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"ignore": {
"description": "Glob patterns removed before comparing (* = any run of characters on a line), e.g. \"\\\"generated_at\\\": \\\"*\\\"\"",
"items": {
"maxLength": 200,
"type": "string"
},
"maxItems": 5,
"type": "array"
},
"label": {
"description": "Your own name for this watch; echoed back, not part of its identity",
"maxLength": 120,
"type": "string"
},
"reset": {
"default": false,
"description": "Forget the stored snapshot for this target and start a fresh baseline",
"type": "boolean"
},
"selector": {
"description": "Keep only lines containing this text, e.g. \"Price:\" - watch one number instead of a whole page",
"maxLength": 200,
"type": "string"
},
"url": {
"description": "Public http(s) URL to watch",
"format": "uri",
"maxLength": 2048,
"type": "string"
}
},
"required": [
"url"
],
"type": "object"
},
"bodyType": {
"enum": [
"json"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"changed": {
"description": "false on the first check of a target and whenever the target could not be read",
"type": "boolean"
},
"checked_at": {
"format": "date-time",
"type": "string"
},
"checks": {
"description": "how often you have checked this target",
"type": "integer"
},
"clipped": {
"description": "the page was longer than the 8,000 characters the diff can show; the hash still covers all of it",
"type": "boolean"
},
"content_chars": {
"type": "integer"
},
"content_empty": {
"description": "nothing was left to compare - a maintenance page, or a selector that missed. The baseline is kept rather than replaced by emptiness",
"type": "boolean"
},
"content_kind": {
"description": "how the body is normalised; frozen at the first check of a target",
"enum": [
"html",
"json",
"text",
null
],
"type": [
"string",
"null"
]
},
"diff": {
"description": "null when nothing changed or nothing could be read",
"properties": {
"added": {
"items": {
"type": "string"
},
"type": "array"
},
"removed": {
"items": {
"type": "string"
},
"type": "array"
},
"reordered": {
"description": "the same lines in a different order or multiplicity: changed, but nothing to list",
"type": "boolean"
},
"truncated": {
"type": "boolean"
}
},
"type": [
"object",
"null"
]
},
"error": {
"description": "why the target could not be read",
"type": [
"string",
"null"
]
},
"fetch_ok": {
"description": "false when the target could not be read; the stored snapshot is then left as it was",
"type": "boolean"
},
"final_url": {
"type": [
"string",
"null"
]
},
"first_check": {
"type": "boolean"
},
"hash": {
"description": "sha256 of the whole normalised content, including what the diff had to leave out",
"type": [
"string",
"null"
]
},
"http_status": {
"type": [
"integer",
"null"
]
},
"label": {
"type": [
"string",
"null"
]
},
"last_change_at": {
"description": "when this target last differed, as far as your own checks have seen",
"format": "date-time",
"type": [
"string",
"null"
]
},
"previous_checked_at": {
"format": "date-time",
"type": [
"string",
"null"
]
},
"previous_hash": {
"type": [
"string",
"null"
]
},
"selector_matched": {
"description": "