⌕ Zactr API
Amazon Marketplace Evidence API.
Observed product, seller, offer, Buy Box, promotion, and price-history data.
Product API
ASIN details, observed Buy Box, offers, and price history.
Seller API
Seller profile, ratings, Buy Box record, and competitor evidence.
Portfolio API
Batch observed market evidence for up to 100 ASINs.
Clear scope
STARTER covers one verified seller; PRO adds marketplace-wide access.