Why are API used?

Related questions

1. What do you mean by markup?
2. What kind of reports we can generate from Jira?
3. Can you resolve any issue not assigned to you in Jira?
4. How do I update a REST API in Jira?
5. What is Markdown vs markup?
6. Is Jira a database?
7. Is Jira free to use?
8. What is Jira API?
9. What is REST API documentation?
10. How is Jira developed?

Tags

1. #program
2. #makes
3. #should
4. #blocks
5. #develop
6. #building
7. #interact
8. #providing
9. #programming
10. #programmer
11. #together
12. #interface
13. #specifies
14. #graphical
15. #software
16. #components
17. #easier