> 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.md).

# OVERVIEW

- [Labels in 5 minutes](https://apidocs.gsped.com/gsped-api-english-version/overview/readme.md)
- [Introduction](https://apidocs.gsped.com/gsped-api-english-version/overview/introduzione.md)
- [Authentication](https://apidocs.gsped.com/gsped-api-english-version/overview/autenticazione.md): Authentication methods for API calls
- [Requests and responses form](https://apidocs.gsped.com/gsped-api-english-version/overview/formato-richieste-e-risposte.md): How to define the comunication format
- [Couriers and services](https://apidocs.gsped.com/gsped-api-english-version/overview/corrieri-e-servizi.md): Courier list, services and label format availability
- [PLT-licensed couriers (paperless)](https://apidocs.gsped.com/gsped-api-english-version/overview/corrieri-abilitati-al-plt-paperless.md): Paperless couriers
- [Gsped codes](https://apidocs.gsped.com/gsped-api-english-version/overview/codici-gsped.md): Gsped ID and codes list
- [Throttling](https://apidocs.gsped.com/gsped-api-english-version/overview/throttling.md): Subsequent calls limit
- [Non-standard payload](https://apidocs.gsped.com/gsped-api-english-version/overview/payload-non-standard.md)