Questions you need to ask for your new API driven application?

Questions that you need to ask if you are making an cloud or internet facing application that offers APIS to multiple parties - 

1. Add caching capabilities on your API response payload ?

2. Add quota capabilities on your APIs so that a particular App Developer or Mobile App can make X number of call in an hour ?

3. Add security on top of your APIs so that you can grant access to your APIs ?

4. Add SpikeArrest capabilities on your APIs so that you can secure / save your target server by Denial of Service attacks ?

5. Add computation logic that transforms API Request before it hits your BackEnd Server ?

6. Add computation logic that transforms API Response before it reaches APP ?

7. How do you scale your APIs for million of devices & users ?

8. How do you let App Developers know about your API Documentation and how to access them ?

if you need the solution to address all the above then do let is touch with me :)