unprice Feed Page Match

x402

unprice Feed Page Match is a paid API for AI agents from volkov.evgeny.m2.fvds.ru, paid per call via x402, $0.025/call, status unknown (last checked 2026-09-14).

Checks whether a product's price, currency, and availability in a merchant feed match the signals found on the actual product page.

Price / call$0.025

Seller volume →—

Success—

StatusUnknown

How this service works

Tiny paid web services for agents. Pay per request with USDC on Base via x402, plus non-x402 Base USDC tx-hash checkouts for Merchant Feed Audit, Base USDC receipts, and recent wallet statements.

Output

A JSON object with the product URL, an array of named checks (e.g. feed_price_matches_page_signals) each with a pass/fail status, an overall verdict (match or mismatch), the expected price/currency/availability values, and any warnings.

Example use cases

Spot pricing errors before campaign launch

“Before I submit my Google Shopping feed, can you verify that the price and availability in my feed ($29.99 USD, in stock) actually match what's on the product page at https://shop.mystore.com/sneakers-blue?”

Ongoing feed audit for discrepancies

“I think some of my product listings have wrong prices — can you check if the feed entry for https://myshop.com/headphones showing $89.99 USD as in stock is consistent with what the page actually says?”

Compliance check for marketplace listing

“My marketplace requires feed prices to match page prices — can you validate that https://mybrand.com/widget shows $14.95 USD and instock, matching what I have in the feed?”

Technical details

Endpoint

GEThttps://volkov.evgeny.m2.fvds.ru/pay/feed-page-match

When to prefer

Use this endpoint when you need to programmatically verify that a merchant product feed entry (price, currency, availability) matches the live product page — ideal for feed auditing pipelines, shopping ad compliance checks, or detecting data drift before campaign launches. Prefer over manual audits or generic scraping when you need a structured pass/fail verdict with named checks.

Side effects

URL is unreachable or returns non-200 status, causing check failure
Page uses JavaScript rendering that prevents static price extraction, leading to inconclusive result
Feed values omitted from query params result in incomplete validation
Price format mismatch (e.g. comma vs period decimal) may cause false mismatch
Rate limiting or payment failure returns 402 without executing the check

Input

Schema · Request body

Field	Type	Description
inputrequired	object
output	object

Output

Schema · Response

{
  "type": "json",
  "example": {
    "url": "https://example.com/product",
    "checks": [
      {
        "name": "feed_price_matches_page_signals",
        "status": "pass"
      }
    ],
    "verdict": "match",
    "expected": {
      "price": "19.99",
      "currency": "USD",
      "availability": "instock"
    },
    "warnings": []
  }
}

Reviews

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How this service works

Tiny paid web services for agents. Pay per request with USDC on Base via x402, plus non-x402 Base USDC tx-hash checkouts for Merchant Feed Audit, Base USDC receipts, and recent wallet statements.

Output

Example use cases

Spot pricing errors before campaign launch

Ongoing feed audit for discrepancies

Compliance check for marketplace listing

“My marketplace requires feed prices to match page prices — can you validate that https://mybrand.com/widget shows $14.95 USD and instock, matching what I have in the feed?”

Technical details

Endpoint

GEThttps://volkov.evgeny.m2.fvds.ru/pay/feed-page-match

When to prefer

Side effects

URL is unreachable or returns non-200 status, causing check failure
Page uses JavaScript rendering that prevents static price extraction, leading to inconclusive result
Feed values omitted from query params result in incomplete validation
Price format mismatch (e.g. comma vs period decimal) may cause false mismatch
Rate limiting or payment failure returns 402 without executing the check

Input

Schema · Request body

Field	Type	Description
inputrequired	object
output	object

Output

Schema · Response

{
  "type": "json",
  "example": {
    "url": "https://example.com/product",
    "checks": [
      {
        "name": "feed_price_matches_page_signals",
        "status": "pass"
      }
    ],
    "verdict": "match",
    "expected": {
      "price": "19.99",
      "currency": "USD",
      "availability": "instock"
    },
    "warnings": []
  }
}