The Quick Start API allows you to search from the current moment back as far as 168 hours (7 days).
The Historical API allows you to specify a
to time range to refine your query. This can be for any dates from 2014 onwards.
The maximum range between the
to dates in your query should not exceed 7 days. This will give you the best performance. Limiting your search time range to small increments will help you to handle each endpoint's Result size limits elegantly.