YOUR PROGRAMMING INTERFACE

We bring your domain to life - with API support.

Top service for resellers and corporate clients

All available extensions

24/7 real-time registration

Personal consultation

Numerous services included

Security and anonymity

Makes us proud: our API.

A real dream team: our two protocols XML-RPC and JSON-RPC. Thanks to them, you can call up all the functions of our frontend via API (programming interface) – easily and in almost all programming languages. Do you need help? Then download documentation and programming examples here!

TEST FOR FREE - WITH SYSTEM: At ote.inwx.com you will find the well-known web interface that accesses a test database. This OT&E test system is free for you, and you can enter domains for registration.

Pre-programmed success: our interfaces.

You can dock with our API as you wish. Because multilingualism is a matter of course for us as a global provider. Here you can see a list of programming languages compatible with INWX: Here you can see the programming languages for which we provide suitable help with INWX and offer support:

Language

Version

Github

Download

WHMCS

10.5.0

Github

Version: 10.5.0

Download

Terraform Provider

1.6.5

Github

Version: 1.6.5

Download

Ansible Collection

1.4.1

Github

Version: 1.4.1

Download

Java

v4.0.0

Github

Version: v4.0.0

Download

Node.js

v3.3.0

Github

Version: v3.3.0

Download

Perl

1.0

Github

Version: 1.0

Download

PHP

v3.5.0

Github

Version: v3.5.0

Download

Python 2.7

1.1

Github

Version: 1.1

Download

Python 3

v3.2.0

Github

Version: v3.2.0

Download

Ruby

v4.0

Github

Version: v4.0

Download

Documentation: Your INWX API help

Do you want to get the most out of your API functions? Then our documentation will help you. Just click on the following link - and you will find out everything that is possible with INWX via API.

Man looks to the right and points forward

Our tips: INWX-related API clients.

Helpful INWX resources and community projects: Even if we can't provide support for them - these external projects harmonize perfectly with our INWX structure. Big tip for everyone!

Api Client

Titel

Description

Link

inwxcli

A CLI client for the INWX API

inwx-domrobot-elixir

An Elixir client for the INWX API

ISP Enterprise 14 Hosting Automation

An ISP Enterprise domain module for the INWX API

JoomISP

A JoomISP plugin for the INWX API

HostBill

A HostBill domain registrar module for the INWX API

hostware

A hostware domain registrar module for the INWX API

Let's Encrypt

Titel

Description

Link

acme.sh

A shell implementation of the ACME protocol

letsencrypt-inwx

LI utility for automating the Let's Encrypt DNS-01 challenge for domains using INWX nameservers

certbot-dns-inwx

NWX DNS authenticator plugin for certbot

DynDNS

Titel

Description

Link

nsupdate

A DynDNS shell script for INWX

Bash-INWX-DynDNS

A DynDNS shell script for INWX

libdns

Implementation of the libdns interfaces for INWX

Others

Titel

Description

Link

inwx-dns-recordmaster

Manage DNS nameserver records via YAML files

inwx-mailcow-dns-configurator

A mailcow DNS configurator using the INWX API

isp-dnstool

A tool to sync DNSSEC data between ISPConfig and INWX Domain Registry

INWX: What our customers say.

There are many companies that like to promote themselves and their products. It makes us happy that INWX customers do this for us. But all joking aside, the satisfaction of our users is vital to us. After all, that's why we get up in the morning! It's the best feeling in the world: to know that we're doing our best to give you everything you need from a single source - and that you like it. Here are some examples of the feedback we get.

Great support after switching providers; direct and super helpful with adjusting all settings and parameters.

February 5, 2026

Price-performance = top! Very dedicated staff who tackle issues—if there are any at all—immediately and in a solution-oriented way! I’ve been a customer there for many years, privately and professionally, and I’m very satisfied!

January 26, 2026

Fast and straightforward service. I’m very satisfied with INWX. Domain registration was simple and clearly laid out.

January 12, 2026

Best support ever! I can only repeat it: incredibly friendly, nice, fast, helpful, and competent! Very low domain prices—I can recommend INWX absolutely without reservation!

January 7, 2026

Fair prices. Email support with fast and competent answers, even for quite technical problems. Good web UI. I’m extremely satisfied!

December 3, 2025

Reseller: Here's to the best API partnership!

We support our resellers to the best of our ability - with competitive pricing, an easy API with a WHMCS module and much more.

Man forms a square with his hands to the front

Webhosting: Get a powerhouse on our server.

Full power on German servers: Shared hosting with daily backups, DDoS protection, powerful interface.

We are accreditation champions

Be local worldwide — with INWX: We offer you TLDs all over the planet. Thanks to our trustee service, you can even obtain domains that are closed to others. Here you can see a selection of the TLDs immediately available to you: