# Requests to the .de Registration System

Overview

Introduction

Instructions to the .de registration system are submitted in form of requests (e.g. request for creation of a domain). In this section, you will find information about all the request types which are used in relation with the .de registration system.

Contents

This chapter comprises the following sections:

- Data Formats, Data Types and Value Ranges

- LOGIN / LOGOUT

- Contact Requests

- Requests Related to the Domain Inventory

- Requests related to the Public Contact Details of the Registrar

- Provider Change Requests

- Requests Related to the Message Queue