Changelog

All notable changes to SellerBeam are documented here.

v1.0.0

Initial ReleaseApril 2025
  • newEligibility check — gated/ungated status via Amazon Listings Restrictions API
  • newAmazon-on-listing detection — flags when Amazon.com is a competing seller
  • newPrivate label detection — warns when only one seller is present
  • newProfit calculator — live sale price, full fee breakdown (Referral, FBA Fulfillment, Storage), Amazon payout
  • newNet Profit, ROI, and Margin — calculated from your entered cost price
  • newKeepa integration — click the chart icon to open price history for any ASIN
  • newBSR — Best Sellers Rank pulled live from the SP-API Catalog Items endpoint
  • newSeller count with expandable offers breakdown (AMZ / FBA / FBM, price per seller)
  • newTop-level category resolution via SP-API Categories endpoint
  • newLocal Node.js + Express server — all credentials stay on your machine