Public JSON Catalog Diff

left-only: Free Returns Coverage. Two live catalogs, not a time machine.

Diffs two public JSON catalogs you supply. Try is Allbirds vs Everlane products.json. Not time travel. $2 / 1,000.

Last run

10 row(s). First row: left-only: Free Returns Coverage

{
  "title": "left-only: Free Returns Coverage",
  "productName": "Free Returns Coverage",
  "entityName": "Free Returns Coverage",
  "listingName": "Free Returns Coverage",
  "competitorName": "Free Returns Coverage",
  "vendorName": "www.allbirds.com"
}

Run it

{
  "sourceMode": "startUrls",
  "outputMode": "buyer-ready-records",
  "maxItems": 10,
  "startUrls": [
    {
      "url": "https://www.allbirds.com/products.json"
    },
    {
      "url": "https://www.everlane.com/products.json"
    }
  ]
}

What lands in the dataset

• Two products.json URLs
• left-only / right-only / both
• Live Allbirds vs Everlane

Use it when

Paste two catalog URLs, take presence diffs, schedule to watch a competitor add SKUs.

Catalog ops already buying the Shopify scraper.

Price

$2 / 1,000 diff rows — about $0.02 for a 10-row Try.

Schedule it. A one-off click is not Store revenue.

What you should know

• First run diffs two live catalogs.
• Not time travel.

FAQ

Is the last-run a fixture? No. The JSON above is from the public source in Run it.

A store-wide crawl? No. Diff of two public JSON catalogs you supply. Try is Allbirds vs Everlane.