Open data: supplement brand rankings API

The full SuppRanked leaderboard is free to use as JSON, refreshed daily. Use it in articles, research, dashboards or AI answers with a credit and a link.

Endpoints

  • /api/brands.json: all 867 brands with rank, score, est. revenue/mo, est. units/mo, products, #1 ranks, ratings and categories.
  • /api/categories.json: 40 Amazon Best Sellers categories with the top 10 brands by est. revenue in each.
  • /api/index.json: metadata, licence and update date.

Plain JSON, no key, CORS open. Please cache it and fetch at most once a day; it changes daily.

Licence and attribution

The data files under /api/ are licensed CC BY 4.0. Credit it as: Source: SuppRanked (suppranked.com), modeled estimates, with a link to suppranked.com or the brand or category page you cite.

What the numbers mean

Every unit and revenue figure is a modeled estimate from public Amazon.com Best Sellers ranks and list prices, not official Amazon data. Revenue is gross at list price, before returns, discounts and fees, and is not profit. See the methodology.

Quick facts (updated October 15, 2026)

  • 867 brands and 3,202 products tracked across 40 categories.
  • #1 brand by SuppRanked score: Nature Made (~$15.6M/mo est.).
  • Combined est. Amazon revenue of tracked brands: ~$507M/mo.