> For the complete documentation index, see [llms.txt](https://apidocs.gsped.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://apidocs.gsped.com/gsped-api-english-version/overview/formato-richieste-e-risposte.md).

# Requests and responses form

The Gsped API support up to two formats of data transfer:

* JSON
* XML

To set the format just define the headers **CONTENT-TYPE** and **ACCEPT**

> Example for JSON (default)
>
> Content-Type : application/json\
> Accept : application/json