What is the function of the key contained in most RESTful APIs?
- It is the top-level object of the API query.
- It is used to authenticate the requesting source.
- It represents the main query components in the API request.
- It is used in the encryption of the message by an API request.
Answers Explanation & Hints: Many RESTful APIs, including public APIs, require a key. The key is used to identify the source of the request through authentication.