6. Headers

Understand the role of HTTP headers in conveying additional information between clients and servers. Learn about various headers, including authentication, caching, and custom headers, and how they impact API behavior.

HTTP headers carry additional information in the request and response. Examples include:

  • Authorization: Contains authentication credentials.
  • Content-Type: Specifies the format of the request or response body
  • Accept: Specifies the desired response format.
  • Cache-Control: Manages caching behavior.