Fetch a public webpage, normalize its readable text, and report whether it changed against
Fetch a public webpage, normalize its readable text, and report whether it changed against a caller-supplied baseline.
30000 (raw units)
price
2
calls / 30d
1
unique payers
2026-09-16
updated
Provider
i3p3mgbsn54dvlivnk6wbumal40eqtsn.lambda-url.us-east-1.on.aws · discovered, not yet claimed by its owner
Payment (x402 accepts[])
[
{
"scheme": "exact",
"network": "eip155:8453",
"payTo": "0x94bab5853bff59401b355371f9c4b8ca6d6eca9d",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "30000",
"maxTimeoutSeconds": 120
}
]Output schema
{
"bazaar": {
"info": {
"input": {
"body": {
"focusTerms": [
"pricing"
],
"previousContent": "Example Domain",
"url": "https://example.com"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"changed": false,
"contentPreview": "Example Domain",
"currentHash": "0123456789abcdef",
"fetchedBytes": 100,
"matchedTerms": [],
"summary": "Baseline not supplied; current content was fingerprinted.",
"url": "https://example.com"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"additionalProperties": false,
"properties": {
"baselineKey": {
"maxLength": 160,
"pattern": "^[a-zA-Z0-9._/-]+$",
"type": "string"
},
"focusTerms": {
"items": {
"type": "string"
},
"maxItems": 20,
"type": "array"
},
"previousContent": {
"type": "string"
},
"saveBaseline": {
"type": "boolean"
},
"url": {
"format": "uri",
"type": "string"
}
},
"required": [
"url"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"additionalProperties": false,
"properties": {
"changed": {
"type": "boolean"
},
"contentPreview": {
"type": "string"
},
"currentHash": {
"type": "string"
},
"fetchedBytes": {
"maximum": 9007199254740991,
"minimum": 0,
"type": "integer"
},
"matchedTerms": {
"items": {
"type": "string"
},
"type": "array"
},
"summary": {
"type": "string"
},
"url": {
"type": "string"
}
},
"required": [
"url",
"currentHash",
"changed",
"summary",
"matchedTerms",
"contentPreview",
"fetchedBytes"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
},
"payment-identifier": {
"required": false
}
}Use it
curl
curl "https://i3p3mgbsn54dvlivnk6wbumal40eqtsn.lambda-url.us-east-1.on.aws/v1/website-change-monitor" # -> 402 Payment Required, accepts[] lists how to pay # retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid
JavaScript
const res = await fetch("https://i3p3mgbsn54dvlivnk6wbumal40eqtsn.lambda-url.us-east-1.on.aws/v1/website-change-monitor");
if (res.status === 402) {
const { accepts } = await res.json();
// pay one of accepts[] via an x402 client, then retry with the payment header
}Python
import httpx
res = httpx.get("https://i3p3mgbsn54dvlivnk6wbumal40eqtsn.lambda-url.us-east-1.on.aws/v1/website-change-monitor")
if res.status_code == 402:
accepts = res.json()["accepts"]
# pay one of accepts[] via an x402 client, then retry with the payment headerMachine-readable
Everything on this page is also available as clean JSON at /resources/7891.json, and this resource appears in /discovery/resources and /discovery/search.