Tool detail
fetchwerk Web Extraction
Compares two to four product pages by verified identity, listed price, availability, shipping cost and rating, without converting currencies.
Categories: Web scraping, Shopping
Use when
- compare prices across 2-4 product page URLs
- check availability and shipping cost across competing product listings
Not for
- not currency conversion; prices stay in their original currency
- not a single-page product extract (use the /product endpoint)
Inputs
POST JSON body: { urls: array of 2-4 product URLs } (required); currency_hint (3-letter code), want_variants, respect_robots (optional)
Admitted input schema
{
"type": "object",
"properties": {
"currency_hint": {
"type": "string",
"minLength": 0,
"maxLength": 4096,
"pattern": "^[A-Za-z]{3}$",
"description": "ISO 4217 code used only to disambiguate symbols and decimal notation. No currency conversion is performed."
},
"respect_robots": {
"type": "boolean",
"description": "Honour every origin robots.txt.",
"default": true
},
"urls": {
"type": "array",
"items": {
"type": "string",
"minLength": 0,
"maxLength": 4096,
"format": "uri"
},
"minItems": 2,
"maxItems": 4,
"description": "Two to four distinct product-page URLs. At least two must yield a useful product offer or the call is not charged."
},
"want_variants": {
"type": "boolean",
"description": "Also collect each page’s variants. The ranking still compares the primary listed offer.",
"default": false
}
},
"required": [
"urls"
],
"additionalProperties": false
}Endpoint
- Method
POST- URL
https://fetch.halowerk.com/product/compare
Payment
- Protocol
- x402
- Listed price
- 0.01 USDC per call on Base
- Payment method
- exact
- Network
- eip155:8453
- Asset
- 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Listed terms are catalog metadata. The caller supplies inputs and calls the tool outside Onelayer. If payment is required, the caller uses a compatible wallet to pay.
Source
- Directory
- Coinbase x402 Bazaar
- Record
- POST https://fetch.halowerk.com/product/compare
- Retrieved
- 2026-09-30T20:37:07.382Z
- Catalog file SHA-256
6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524- Catalog built
- 2026-09-30T22:31:58.034Z