Why is API gateway needed?

Related questions

1. What is REST JSON API?
2. Why API management is required?
3. Is API gateway a load balancer?
4. What does wso2 stand for?
5. What is wso2 Identity Server?
6. What does an API management tool do?
7. What is API gateway and how it works?
8. Do we need API gateway?
9. Why do I need API management?
10. What is apigee API management?

Tags

1. #means
2. #services
3. #roundtrips
4. #applications
5. #enables
6. #multiple
7. #requests
8. #single
9. #example
10. #essential
11. #number
12. #improves
13. #mobile
14. #fewer
15. #clients
16. #reduces
17. #round
18. #experience
19. #overhead
20. #gateway
21. #retrieve