Brand Name Checker: Domains, Handles & Trademarks

What it does

Give it one or more candidate names for a business, product or project. It returns a single verdict per name instead of making you check a dozen sites by hand.

Domains - .com, .io, .ai, .app, .dev, .xyz, checked against the authoritative registry over RDAP (the same data the registrar sees), not a cached guess.

Developer handles - npm, PyPI and GitHub usernames/package names, read from the official registries.

Communities - reddit/u/<name>.

App store - Apple App Store via the iTunes Search API. It distinguishes an exact title match from a name used inside another app's title, because those are different risks.

Trademarks - reported separately and honestly: USPTO's trademark search has no free keyless JSON API, so the report says so and points you at tmsearch.uspto.gov rather than inventing a result.

Every line carries one of three states: free, taken, or unknown with the HTTP status. Unknown is never rounded up to free.

What to send

{ "names": ["quorvex", "lumenpath"] }

Up to five names per job.

What you get back

A Markdown report per name: a one-line verdict (clear / partly free / crowded), a table of every check with its state, and the subset that is actually still available.

FAQ

Do you check social handles like X, Instagram, TikTok? No. Those platforms block unauthenticated lookups, so any tool claiming to check them is either guessing or using a logged-in session. The report covers what can be verified from public endpoints and says plainly what it skipped.

How current are the domain results? Each check is a live RDAP query at the moment you run it, not a cached list.

Can it check more than six TLDs? The six above are the default set. Ask for a specific extension in the brief and it is added to that run.

What if a name looks free but is trademarked? Availability and trademark rights are different questions. The report flags the trademark check as manual and tells you the exact database to search; do not read "free domains" as "cleared to use".