Before using the API you should know that the BASIC tier has certain coverage restrictions in-place (PRO plan or higher removes these restrictions completely).
Odds endpoint is available only to users with a paid subscription, meaning that the BASIC tier has no access to bookmaker odds and associated markets/selections.
Highlights geo restriction endpoint is available only to users with a paid subscription, meaning that the BASIC tier has no access to information about potential video restrictions.
Additional BASIC/FREE tier restrictions:
For an in-depth documentation visit https://highlightly.net/documentation/football/.
There you will find supported query parameters and routes with live examples.
Note: If you wish to use other Highlight APIs as well it might be better to switch to Sport Highlight API where all sports are available. Check https://highlightly.net/ for more information.