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Register your .io domain.

Register your .io domain in minutes. Atom is an award-winning, ICANN-accredited registrar trusted by 100,000+ founders, so you can buy with confidence and build on a rock-solid foundation.

.io only $34.80
.com only $11.30
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High-Quality Curated Inventory

.io Domain Pricing

Transparent pricing with no hidden fees. ICANN fee included.

Registration

$55.05/yr
$34.80/yr

Renewal

$55.05/yr
$51.80/yr

Transfer

$55.05/yr
$51.80/yr

Transfer Your .io Domains to Atom

Already have domains you want to manage in one place? Bring them to Atom for a cleaner, faster, more powerful experience—backed by brand-first tools and AI support.

Why Register Your .io Domain With Atom

Free Privacy Protection

Unlimited WHOIS privacy protection included with every domain at no extra cost

No Hidden Fees

Transparent pricing with no surprise charges. The price you see is the price you pay

6 Months Brand Monitoring

Track your domain across the web and get alerts about potential trademark issues

DNS & Forwarding Included

Full DNS management and domain forwarding included with every registration.

Global Recognition

Trusted by the world's leading brands

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Buy a one-word .io domain

Browse our curated marketplace of premium single-word .io domains,
with names selected to be clear, memorable, and ready to use.

Need the Perfect .io Name?

Multiple AI agents compete to find creative names, with free trademark checks and early audience validation. Your first contest is free.

Start Free AI Contest

What is the .io Domain Extension?

Origins and History

The .io domain extension was originally designated for the British Indian Ocean Territory. It has since become popular with tech companies due to its association with input/output, despite not being restricted to any specific industry.

Purpose and Intended Use

The primary goals of the .io domain extension are to be a versatile choice for technology-related websites, startups, and online businesses looking to establish a strong digital presence. With its association to input/output and tech innovation, .io is ideal for platforms, apps, and services seeking a modern and cutting-edge image online.

Who can register a .io domain?

  • Registration of .io domains is open to individuals and organizations worldwide.
  • .io domains are registered on a first-come, first-served basis.
  • Registrants must comply with the registration policies and guidelines set by the .io registry.

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Usage and Popularity of .io Domains

Usage of .io domains

  • .io domains are widely used in the tech industry for startups, software companies, and tech blogs due to their association with input/output and technology.
  • .io domains are also popular in the gaming and cryptocurrency industries, where the extension is seen as modern, innovative, and cutting-edge.
  • Website development using .io domains often focuses on creating dynamic and interactive platforms with a strong emphasis on user engagement and the latest technological trends.

Types of websites commonly associated with .io

  • Websites associated with .io domains are commonly found in the tech industry, specifically for startups, software development companies, and tech-related blogs.
  • .io domains are popular among online gaming and gaming development websites, as well as websites related to data analytics and artificial intelligence.

The typical .io registration process

  • Choose a reputable domain registrar that offers .io domain registration services.
  • Check the availability of your desired .io domain name and complete the registration process by providing necessary information.
  • Be aware of any specific policies or restrictions related to .io domains, such as residency requirements or trademark concerns.

How To Register Your .io Domain

Three simple steps to claim your perfect domain name.

1

Search for Your Domain

Enter your desired .io domain name in the search bar above. Our system will instantly check availability across multiple extensions.

2

Choose & Configure

Select your preferred domain, add it to your cart, and optionally configure DNS settings, privacy protection, and add-ons — all included for free.

Add to Cart
3

Complete Your Purchase

Check out securely with your preferred payment method. Your domain will be active instantly and ready to use in your dashboard.

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Frequently Asked Questions

What does the .io domain extension stand for?

The ".io" in a domain extension stands for the British Indian Ocean Territory. This is a territory that is officially recognized as part of the United Kingdom. The use of ".io" domains has become popular for tech companies and startups due to its association with input/output, technology, and innovation.

What are the typical use cases for .io domains?

The .io domain extension is commonly used for technology-related websites, such as startups, software companies, and tech blogs. It is also frequently used for websites focused on gaming, as "io" stands for input/output in computer science. Additionally, the .io extension can be utilized for websites that cater to an international audience, as it is a generic top-level domain with no specific country association.

Can .io domains be used by an international audience?

While a .io domain can technically be used for an international audience, it is important to note that it is actually the country code top-level domain (ccTLD) for the British Indian Ocean Territory. This makes it a less ideal choice for businesses seeking a global presence. The most popular and recommended domain extensions for businesses today are .com, .io, and .co, as they are widely recognized and trusted by internet users worldwide.

How do I register a .io domain with Atom?

Simply search for your desired .io domain name above. If it's available, add it to your cart and complete checkout. The entire process takes just a few minutes.

Is WHOIS privacy included with .io domains?

Yes. Every domain registered through Atom includes free WHOIS privacy protection at no extra cost.

Can I transfer my .io domain to or from Atom?

Yes. Atom supports domain transfers in and out with full transparency and no hidden fees.

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