For merchant-ops teams and feed-tool developers

Catalog Attribute Normalizer — clean, consistent product data from messy multi-source catalogs

Shopify export here, a supplier CSV there, a marketplace scrape somewhere else — three different ideas of what "size" or "material" means, half the products missing attributes entirely. One API call turns that mess into clean, normalized attributes and taxonomy mappings, ready for marketplace listing, PIM/ERP sync, or an agentic-commerce feed.

Request
POST /v1/normalize
{
  "products": [{
    "title": "...",
    "description": "...",
    "raw_attributes": { "...": "..." }
  }],
  "target_taxonomy": "google-product-taxonomy"
}
Response
{
  "products": [{
    "title": "...",
    "category": "Apparel & Accessories >
      Clothing > Shirts",
    "attributes": {
      "color": "navy",
      "material": "cotton",
      "size": "M"
    },
    "confidence": 0.94
  }]
}

Why this exists

Category classifiers (ProductCategorization.com, ProductClassifier.com) will tell you what a product is. They don't touch the messier problem: extracting and standardizing the attributes — color, size, material, unit values — across sources that each spell them differently, or leave them out. The one vendor that does the broader job, DataWeave, is enterprise sales-led — book a demo, no self-serve, no public price. We built the self-serve version of that.

Pricing

Free tier is sized to prove the output on a real slice of your catalog, not a toy sample. No credit card required to start.

Free

$0
500 products/month
No card required

A merchant needs to normalize a real catalog slice — hundreds of SKUs — to trust the output at all; a token free tier wouldn't prove anything.

Pay-as-you-go

$0.01/product
No minimum
$0.01 effective

For one-off cleanups or spiky feed-refresh jobs.

Pro

$29/month
5,000 products/month
~$0.0058 effective

Undercuts ProductCategorization.com's cheapest plan ($99/mo, 10,000 credits, ~$0.0099/ classification) while doing strictly more — attributes, not just category.

ProductCategorization.com: $99/mo Premium (10,000 credits, 1 credit = 1 text classification, ~$0.0099/classification) up to $10,999/mo Enterprise (5M credits). We undercut their entry tier price point while shipping a broader task — full attribute normalization, not just category.
DataWeave: no public price (enterprise sales-led) — nothing to anchor against directly, only the friction: no self-serve is a real gap for any team not big enough to justify a sales cycle.

How it compares

Clean, normalized product attributes and taxonomy mappings from messy multi-source catalogs — titles, descriptions, images in; consistent attributes, units, and category mappings out. This page names real alternatives and their real limitations — a comparison that hides the free option isn't worth reading.

Alternative Why you might still need Catalog Attribute Normalizer
ProductCategorization.com Category/taxonomy classification only — no general attribute extraction, unit normalization, or dedup; confirmed live 2026-07-16.
ProductClassifier.com Same categorization-only scope as ProductCategorization.com.
DataWeave Does the broader attribute-normalization task, but enterprise sales-led only — demo request, no public pricing, no self-serve signup.
Manual cleanup (consultancies) Accenture/TCS/IBM Consulting-style manual catalog cleanup — slow, expensive, not an API.

Get early access

Free tier: 500 products/month, no card required. Join the waitlist and we'll reach out when access opens up.