Recurring webpage monitor for prices, inventory, availability, documentation, po
Recurring webpage monitor for prices, inventory, availability, documentation, policies and competitors. Returns changed/unchanged state, current hash, metadata and HTTP/security context plus a ready next request. Designed for scheduled polling about every 5 minutes.
Answeringour last check, 2026-10-25
1 of 1checks answered this week
1519 msmedian answer time
$0.005listed price per call
$0.005price 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://x402-gateway-production-1f21.up.railway.app/web/monitor
| Category | Market data |
|---|---|
| Provider host | x402-gateway-production-1f21.up.railway.app |
| Networks | eip155:8453 |
| Payment schemes | batch-settlement, exact |
| Self-reported calls, 30 days | 0 from 0 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-25 | valid payment request | 402 | $0.005 | 1519 ms |
Example input (from the provider)
{
"body": {
"previous_hash": "0000000000000000000000000000000000000000000000000000000000000000",
"url": "https://example.com/"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"ignore_selectors": {
"items": {
"maxLength": 1000,
"type": "string"
},
"maxItems": 50,
"type": "array"
},
"previous_hash": {
"pattern": "^[a-fA-F0-9]{64}$",
"type": "string"
},
"selector": {
"maxLength": 1000,
"type": "string"
},
"timeout_seconds": {
"maximum": 60,
"minimum": 5,
"type": "integer"
},
"url": {
"format": "uri",
"type": "string"
}
},
"required": [
"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": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}