SellerSprite API access pricing and API document

SellerSprite’s Reverse ASIN tool uncovers the high-traffic keywords driving organic and sponsored visibility for any Amazon product, helping sellers optimize listings and ad campaigns with data-backed precision.

Reverse ASINs：Query up to 20 ASINs at a time of all unique keywords and their ranking. Get up millions of rows of keyword data at your fingertips. It offers us a more accurate keyword-stock by reversing competitors' ASIN's keywords.

SellerSprite’s Relevance Check Extension automates keyword relevance scoring based on competitor ASIN rankings, helping Amazon sellers build a high-precision keyword library for optimized listings and ad targeting.

Keyword Performance Score uses Z-scores to rank keywords by how strongly they outperform or underperform average relevance, enabling more accurate keyword filtering—especially in niche markets.

Understand how Keyword Relevance is calculated on Amazon by analyzing competitor ASIN rankings across search result pages to find the most accurate and product-relevant keywords.

Uncover competitor strategies on Amazon with SellerSprite’s Competitor Lookup — analyze ASINs, keywords, brands, and sellers to identify bestsellers, monitor trends, and refine your product strategy.

SellerSprite’s Product Research tool helps Amazon sellers discover high-potential products using smart filters like sales growth, reviews, and fulfillment type—perfect for beginners and pros alike.

Learn how to install SellerSprite's extension tool on your devices!

The extension holds functionality fundamental to seller success in the online marketplace of today, namely market research, operations monitoring, product research, and listing optimization.