Can anyone register a .si domain?

Yes. The .si registry (ARNES, Slovenia) does not require residency or a local contact, but your contact details must match your ID documents — an EU rule (NIS2).

Why choose .si over .ai?

.si reads as superintelligence while staying a short two-letter country code. Names that cost tens of thousands on .ai are often still available on .si, and .si renewals are a fraction of the price.

How is a .si domain appraised?

The service scores the name (dictionary word, compound, length, hyphens), checks whether the same string is registered in .com, .ai and other extensions, then adjusts towards real .si sales that are tracked. The result is a range with a confidence level, never a single promise.

What does a .si domain cost to renew annually?

Standard .si renewals run roughly $11–30 a year depending on the registrar. There are no premium renewal tiers on ordinary names.

Is the API pricing a subscription?

No. Both paid API plans are one-time payments. Nothing renews and nothing is charged automatically, ever.

Domain tools

Worthly

.si domain intelligence for buyers, sellers and builders

Visit worthly.si (opens in a new tab)0 votes. Log in to admire Worthly with a vote 0 community votes

Check .si domain availability, view tracked sales, and get a transparent appraisal with comparable sales data and registry information.

About the work

Worthly: the homepage

Worthly is an independent service for .si domain intelligence. It checks domain availability against the official ARNES registry with dual DNS verification, tracks .si sales across multiple venues with 401 recorded deals, and provides transparent appraisals showing the rules and modifiers behind value ranges. The platform offers a sales database, appraisal tools, a for-sale watch feature, and a JSON API. All core tools are free to use with no account required; paid API keys are available for higher request volumes.

On display

Live registry availability check with dual DNS verification
401 tracked .si sales database with venue and date information
Transparent appraisal with published scoring rules and modifiers
For-sale watch showing parked names and price changes
Free JSON API with per-name availability, value range, and comparables
Embeddable value badge for marketplace listings
Sales feed with new tracked deals as they are reported
Worthly score from 0–100 summarizing name quality and evidence

Pricing

Pricing model: Freemium

Free: 10 requests/hour per IP. Starter: $12 one-time for 1,000 requests/day. Pro: $29 one-time for 5,000 requests/day plus daily CSV. Also available on RapidAPI: Basic free tier (100 calls/month), Pro $9 (5,000 calls/month), Ultra $29 (50,000 calls/month).

See Worthly's full pricing (opens in a new tab)

Compare and explore

See the alternatives to Worthly, Exoname vs Worthly, more in Domain tools or startups in United States.

Worthly: wall label

Medium: Domain tools
Provenance: United States

Worthly: metrics

Appraisal of worthly.si: Ahrefs Domain Rating and Majestic link provenance, with the change since the last viewing.

Domain Rating: 1; no change since last check
Trust Flow: 7; no change since last check
Citation Flow: 17; no change since last check
Referring domains: 6; no change since last check
External backlinks: 16; no change since last check

Ahrefs Domain Rating appraised 28 Oct 2026, re-hung 25 Oct 2026. Collection topic: Computers/Internet/Domain Names (7). Majestic appraised 25 Oct 2026, re-hung 25 Oct 2026. Link provenance: Majestic. Trust Flow, Citation Flow and Topical Trust Flow are trademarks of Majestic-12 Ltd.

Worthly: domain provenance

Trace the provenance

Checked 28 Oct 2026, 19:53 UTC from the public RDAP record.

Domain age: 14 days
Registered: 15 Oct 2026
Expires: 15 Oct 2027
Registrar: org
DNSSEC: Not published

Provenance record for worthly.si

Visitors ask

Can anyone register a .si domain?: Yes. The .si registry (ARNES, Slovenia) does not require residency or a local contact, but your contact details must match your ID documents — an EU rule (NIS2).
Why choose .si over .ai?: .si reads as superintelligence while staying a short two-letter country code. Names that cost tens of thousands on .ai are often still available on .si, and .si renewals are a fraction of the price.
How is a .si domain appraised?: The service scores the name (dictionary word, compound, length, hyphens), checks whether the same string is registered in .com, .ai and other extensions, then adjusts towards real .si sales that are tracked. The result is a range with a confidence level, never a single promise.
What does a .si domain cost to renew annually?: Standard .si renewals run roughly $11–30 a year depending on the registrar. There are no premium renewal tiers on ordinary names.
Is the API pricing a subscription?: No. Both paid API plans are one-time payments. Nothing renews and nothing is charged automatically, ever.

Leave a review for Worthly

No one has reviewed Worthly for the gallery yet. Be first. Every review is free. None are bought.

Visit the review wall

In the same gallery

No. 1

Number 1: Exoname

AI-powered and manual domain name generator with real-time availability checking

Domain tools

DR 10 no change since last check 0 votes. Log in to admire Exoname with a vote