Roblox Username Checker

Check Roblox username availability in bulk and monitor for username drops — the only Roblox-dedicated username checker and drop monitor in the Apify Store. Save thousands of Robux by checking 100, 1,000 or 2,000 usernames per run instead of typing each one into Roblox's site — it's powered by the exact same official auth.roblox.com endpoint that the site uses.

Roblox Username Use Cases

• Roblox username availability checking — bulk-check thousands of short, OG or brand-matching usernames against the official Roblox validator
• Roblox username drop monitoring — watch a watchlist 24/7 and get Discord webhook alerts the moment a username gets released, deleted or becomes available
• Username claim automation — pair with a 1,000-Robux (~$12.50) Roblox rename to immediately claim fresh drops
• Brand / trademark research — verify which usernames your brand name, artist name or game name is still available under
• Username research for resellers & collectors — track the short, memorable and OG usernames that hold value in the Roblox community

How It Works

The actor queries auth.roblox.com/v1/usernames/validate — the same API Roblox's own website calls — for every username on your list. Unknown/not-taken codes are classified as available (with a reason), taken ones as unavailable. In monitor mode it re-checks your watchlist on a schedule and alerts you via Discord webhook when statuses change. Optionally enriches with public profile data (user ID, display name, avatar, verified badge, account age).

Input

Field	Type	Required	Default	Notes
usernames	array	✅	—	List of usernames to check: one per line or as an array, comma-separated text supported. Max 2000 per run.
mode	string	–	check	check = one-time run, monitor = continuous drop monitoring.
monitorName	string	–	–	Custom label for the monitor run.
includeProfiles	boolean	–	true	Enrich results with public profile data (user ID, display name, avatar, creation date) — free, zero extra billing.
includeProfileDetails	boolean	–	false	Add per-username profile details (verified badge, follower counts) — extra $0.005 per username.
webhookUrl	string	–	–	Discord webhook URL for drop alerts in monitor mode.
maxConcurrency	integer	–	5	Parallel checks (max 10).
delayMs	integer	–	150	Delay between checks.

Example Input

{
    "usernames": ["1carl", "ready_player1", "roblox2x", "short"],
    "includeProfiles": true
}

Output

One dataset row per checked username.

Field	Description
username	The checked username
status	available / unavailable
available	Boolean availability flag
reason	API reason, e.g. UNKNOWN (not taken) or ALREADY_TAKEN
code	Raw API response code
userId	Roblox user ID (when taken / profile included)
displayName / profileUrl	Profile display name and URL
avatarUrl	Avatar image URL
verifiedBadge	Whether the account has a verified badge
createdAt	Account creation date
previousStatus / changed	Monitor-mode status-change tracking
checkedAt	Check timestamp

Example Output

{
    "username": "ready_player1",
    "status": "available",
    "available": true,
    "reason": "UNKNOWN",
    "code": 0,
    "checkedAt": "2026-09-23T09:00:00.000Z"
}

Download the dataset as JSON, HTML, CSV or Excel, or pull it via the Apify API.

Integrations & Automation

Monitor mode sends a Discord webhook alert (username, status change, claim URL) the moment a watched username drops — run it on an Apify schedule (e.g. every 5 minutes to every hour) and it becomes a drop-feed replacement for paid Roblox username snipe services. Recurring scheduled runs are also the cheapest way to keep prices steady: billing is $0.005 per available-unlock row only.

Related Actors

• Discord Username Checker — the Discord counterpart to this actor, by the same developer
• Username Availability Checker — 36-platform general username checker
• Username Checker — 460+ platform username checker

FAQ

Why use this actor instead of Roblox's website?

Typing usernames into Roblox's account settings is fine for one or two. For hundreds or thousands of names, this actor checks them in parallel via the exact same official validation endpoint — and in monitor mode it watches your list around the clock, which the site itself can't do. No login, no cookies, no browser needed.

How much does it cost to change a Roblox username?

Roblox charges 1,000 Robux (about $12.50) per username change. That is exactly why this actor exists: checking 2,000 usernames for ~$1–10 and claiming a short/sellable name once can save many times the run cost in avoided failed rename attempts.

Is this actor an official Roblox tool?

No — it is an independent tool that calls the same public validation endpoint the website uses. It does not modify accounts, bypass any locks, or interact with accounts in any way. An actor can only check availability; actually claiming a username is always done manually through Roblox's own 1,000-Robux rename flow.

How do username "drops" happen?

Usernames become available when accounts are deleted, banned, or when names are released in bulk by Roblox (e.g. after moderation sweeps). Paid "sniper" services sell dropped-usernames feeds; monitor mode replicates that feed for your own watchlist via Discord webhook.

What is the cheapest way to run it?

Set mode: "check", includeProfiles: true (free enrichment), includeProfileDetails: false — billing is $0.005 per available username result only; unknown checks and taken/unavailable results cost zero. The $0.002/notification fee applies only in monitor mode.

Is checking Roblox usernames legal?

Checking public username availability via Roblox's own validation endpoint (exactly what the website does) is benign, but you must respect Roblox's Terms of Service — including the 1,000-Robux rename rule and prohibitions on account trading. This actor checks availability only; it does not and cannot claim usernames itself.

For AI Agents & LLM Apps

Purpose: Returns per-username availability (with status, reason, available) plus optional public profile data for Roblox usernames, from the official auth.roblox.com validation endpoint.

Minimal input:

{ "usernames": ["1carl", "roblox2x"] }

Output fields: username, status, available, reason, code, userId, displayName, profileUrl, avatarUrl, verifiedBadge, createdAt, previousStatus, changed, checkedAt.

Behaviors an agent should know:

• usernames (max 2000) is the only required field; comma-separated text or an array is accepted.
• mode: check (default, one-shot) vs monitor (scheduled re-checks + webhook). Monitor mode requires webhookUrl for alerts.
• includeProfiles (default true) is free; includeProfileDetails costs an extra $0.005 per username.
• Unavailable/taken results cost $0; billing is per available result.
• Billing (pay-per-result): $0.005 per available username + $0.002 per availability-change notification (monitor mode) + $0.00005 actor start.

SEO Keywords

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Legal & Compliance Disclaimer

This actor is an independent tool and is not affiliated with, endorsed by, or sponsored by Roblox Corporation. It calls a public validation endpoint (auth.roblox.com/v1/usernames/validate) that the Roblox website itself uses; it performs no login, no account modification, no CAPTCHA solving, and cannot rename or claim usernames.

Users are responsible for complying with Roblox's Terms of Service and the official 1,000-Robux username-change rule. Account trading, reselling in violation of ToS, or harassment via claimed names is the user's own responsibility. This section is informational, not legal advice.