Is it possible to include the data body in a GET request?

According to the HTTP standard, GET requests do not typically include a body. Although technically some clients and servers may support a body in GET requests, this is not a common practice and can lead to unpredictable behavior.

Instead of a body, data for GET requests is usually transmitted via URL parameters (query string), for example:

GET /api/items?category=books&sort=price

If you need to send complex data, it is better to use POST or other methods that officially support a request body.

In summary: including a body in a GET request is technically possible, but not recommended and support on the server and proxy side is not guaranteed.