3 possible search params can be given to the API :

1. id : Passing id as a query param returns hero at that id

2. hero :

   1. Pass superhero name in hero to get hero matching that name
   2. Pass real name of hero in hero to get hero matching that name

3. regex:

   1. Pass regex in the regex query param to get upto 5 results on the free plan and unlimited results on the paid plan.

Please contact me at akash.joshi@viit.ac.in for improvements, suggestions or requirements.
Thanks !