What are backend Apis?

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Tags

1. #accessible
2. #officially
3. #different
4. #terms
5. #frontend
6. #service
7. #means
8. #system
9. #between
10. #systems
11. #programming
12. #parts
13. #specified
14. #implementation
15. #interface
16. #application
17. #backend
18. #publically
19. #others