Catch feed price mismatches before crawlers reject the product.

Merchant feeds often update faster than landing pages, theme JSON-LD, Open Graph tags, or variant pages. Devryno compares the feed value you plan to submit with the public signals visible to crawlers and commerce agents.

Audit a public feed Check a feed batch Check one row See sample JSON Audit product page OpenAPI

InputProduct URL plus expected feed price, currency, and optional availability.

ComparisonJSON-LD Offer, Open Graph product price tags, microdata/meta, visible price text, and availability.

OutputA machine-readable match/mismatch verdict, evidence, warnings, and the next repair step.

Paid call

GET https://devryno.com/pay/merchant-feed-audit?url={public-product-feed-url}&limit={1-10}
GET https://devryno.com/pay/feed-batch-match?items={url-encoded-json-array-up-to-10-feed-rows}
GET https://devryno.com/pay/feed-page-match?url={public-product-url}&price={feed-price}¤cy={feed-currency}&availability={optional-feed-availability}

Feed audit price: $0.250 USDC for up to 10 parsed rows. Batch price: $0.100 USDC for up to 10 explicit rows. Single row price: $0.025 USDC. No account. All endpoints return JSON and unpaid calls return a standard 402 payment challenge.

Who should call it

Feed generators before pushing price changes to Google Merchant Center or marketplaces.
Shopify/WooCommerce maintenance agents checking products after market, currency, or theme changes.
Commerce agents that need cheap evidence before quoting a product price to a buyer.