> For the complete documentation index, see [llms.txt](https://guide-api-rest.marmicode.fr/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://guide-api-rest.marmicode.fr/securite-des-apis-rest/openid-connect/terminologie.md).

# Terminologie

### **OpenID Provider**

OAuth 2 Authorization Server capable d’authentifier l'**End-User** *(Resource Owner)* et transmettre des **claims** au **Relying Party** *(Client)*.

### **Relying Party**

OAuth 2 Client capable de demander des **claims** à l'**OpenID Provider**.

### **End-User**

OAuth 2 Resource Owner.