Your account will be charged for each request.
The cost can be calculated on the Pricing page.
Historical Rank Overview (Legacy)
Note that the structure of DataForSEO Labs API requests and responses was updated on 2022-03-19. However, we will continue supporting the legacy version documented here. You can review the documentation of the new version by this link.
This endpoint will provide you with historical data on rankings and traffic of the specified domain, such as domain ranking distribution in SERPs and estimated monthly traffic volume for both organic and paid results.
Note that historical data is available starting from 2020-10-01.