Chapter 9

1. Application Programming Interface.
2. Representational State Transfer.
3. Uniform interface, client-server, stateless, cacheable, layered system, optional executable code.
4. Hypermedia as the Engine of Application State (HATEOAS).
5. RapidApi.com.
6. Authorization and authentication.
7. Claims are statements that an entity makes about itself. These claims are then validated against a data store. They are particularly useful in role-based security to check whether the entity making the claim is authorized in regard to that claim.
8. Making API requests and examining their responses.
9. Because you can change your data store in keeping with your requirements.