Quick answer
Is a .io domain a good choice in 2026?
Yes, for SaaS, developer tools and web3 projects whose users are technical. Plan for the higher renewal and for the long-term Chagos question; in October 2026, .io runs normally. At DotAlmanac, a domain extension guide and registrar, a .io costs $33.99/year the first year and $52.49/year to renew (29 October 2026), paid in crypto with no KYC.
Search a .io domain
Popular extensions
- .io $33.99
For .io the search can show “Availability confirmed at order”. The registry gives the final answer at registration, and the amount of a refused order goes back to your balance.
.io at a glance
| Registry | Internet Computer Bureau Limited |
|---|---|
| Kind of extension | Country code (ccTLD) of the British Indian Ocean Territory, used as generic |
| Best for | SaaS, developer tools, APIs and web3 projects |
| Who can register | Anyone, worldwide; no link to the territory needed |
| Public WHOIS / RDAP | Privacy allowed by the registry; free here |
| Registration period | 1–10 years per order |
| Watch out for | Renewal jump and the Chagos sovereignty question |
.io price per year
| Extension | 1st year | Renewal | Transfer | WHOIS privacy | Restrictions |
|---|---|---|---|---|---|
| .io | $33.99 | $52.49 | $52.49 | Free | None |
A .io renews well above its first-year price, so the renewal line, not the first, decides the cost of a project that lasts.
Who is .io built for, in practice?
Technical founders are the natural owners of a .io. A developer platform, an API, a command-line tool or a web3 protocol can sit on a .io without explaining the ending. The audience matters more than the product: if your buyers are engineers, .io reads as normal. If they are parents, shopkeepers or retirees, it reads as a typo of .com. A .io is a poor home for a project that must stay online for decades with no policy risk, such as a public archive. As of 29 October 2026, DotAlmanac's price grid shows .io renewing 54% above year one. Only .app has a wider gap among the 43 extensions we sell.
Projects tested against .io
| Project | Verdict for .io |
|---|---|
| Developer platform or public API | Strong fit: engineers know the ending and type it without help. |
| B2B SaaS sold to technical teams | Good fit: the short names left on .io beat a long .com. |
| Web3 protocol or crypto wallet | Good fit: the ending is common in that field. |
| Consumer app for a general audience | Weak fit: many users will type .com instead. |
| Public archive meant to last decades | Poor fit: the sovereignty question adds a risk you do not need. |
.io or .com, .io or .ai?
The .io vs .com comparison comes down to audience and budget. A .com is cheaper to renew and familiar to everyone; a .io offers short names that are long gone on .com. The .ai vs .io comparison is about message. A .ai tells people your product is built on machine learning, and it requires a 2-year minimum term; a .io stays neutral about the technology. For a pure developer audience, .dev is a third option, with forced HTTPS and a far lower renewal at the registrars we track.
Internet Computer Bureau and the Chagos question
The ending belongs to the British Indian Ocean Territory, better known as the Chagos Archipelago. The registry is Internet Computer Bureau Limited, a subsidiary of Identity Digital, which also runs many generic endings. The registry sets no residency or purpose rule, permits WHOIS privacy and supports DNSSEC. The long-term question is sovereignty. The United Kingdom agreed to hand the islands to Mauritius, but that treaty was shelved in 2026. As of 29 October 2026, .io works normally. IANA bases country codes on the ISO 3166 list, so a change to the territory's code would reopen the question.
Risks to weigh before buying .io
The renewal is the first risk to your budget: at the registrars we track, the second year costs nearly twice the first. Read every quote as a pair of numbers. The second risk is political and slow. Nothing has changed for .io owners so far. Still, a brand that plans to stay online for 20 years should hold its .com or another ending as a fallback. Third, keep the domain on auto-renew, so it never reaches its expiry date by accident. Finally, turn on DNSSEC, which the .io registry supports, if your users depend on your DNS answers.
The .io price at other registrars
Porkbun sells .io cheaper than we do in the first year: $28.12, then $51.80 to renew, as of 19 October 2026, per its price list. On 8 October 2026, Dynadot listed $28.89 then $53.50, and Namecheap $32.18 then $60.98. Every seller shows the same pattern: the renewal, not the launch price, is what a .io really costs each year.
.io questions
Will .io domains stop working because of the Chagos dispute?
Nothing points to that today. The UK–Mauritius treaty was shelved in 2026, and the registry operates normally as of 29 October 2026. IANA retires a country code only through a published process; .yu stayed in use for years after Yugoslavia ended. A long-lived brand should still hold a second ending.
Do I need any link to the British Indian Ocean Territory?
No. The .io registry sets no residency, citizenship or business requirement. DotAlmanac's table of 225 extensions counts 52 of 94 country codes as open to anyone, and .io is one of them. Your only step is confirming an email address for the domain; we ask for no passport or ID number.
Why is a .io so expensive to renew?
Launch offers cover year one only; the renewal is each registrar's standing price. Across the three rivals we track, .io renewals run from $51.80 to $60.98 a year, checked between 8 and 19 October 2026. Our list of the cheapest extensions to renew shows lower-cost endings.
Does a .io work with DNSSEC and custom email?
Yes. The .io zone is signed, and the client area can manage DNSSEC for you or accept your own DS record. Mail works as on any ending: one-click MX templates cover Proton Mail, Fastmail, Google Workspace, Microsoft 365 and Zoho Mail.
Sources (5)
- Root Zone Database: .io — IANA (checked 2026-10-08)
- .io safe for now as Trump puts Chagos deal on ice — Domain Incite (checked 2026-10-08)
- Domain pricing porkbun.com/products/domains — Porkbun (checked 2026-10-19)
- Domain extensions and prices dynadot.com/domain/tlds — Dynadot (checked 2026-10-08)
- .io prices by registrar — domainoffer.net (checked 2026-10-08)