Your account will be charged for each request.
The cost can be calculated on the Pricing page.
Competitors Domain
This endpoint will provide you with a full overview of ranking and traffic data of the competitor domains from organic and paid search. In addition to that, you will get the metrics specific to the keywords both competitor domains and your domain rank for within the same SERP.
Data updates: data is updated weekly, the latest update time is available in the Status endpoint.