Your account will be charged for each request.
The cost can be calculated on the Pricing page.
Product Competitors
This endpoint will provide you with a list of products that intersect with a target asin in Amazon SERPs. The data can help you identify product competitors for any listing published on Amazon. The returned results are specific to the asin as well as the location and language parameters specified in a POST request.
Learn more about ASIN in this help center article.
Data updates: data is updated weekly, the latest update time is available in the Status endpoint.