Check a Username Across Developer Platforms

For engineering identity, a dozen dev platforms matter more than forty social sites. Thirdwatch's Username OSINT Scraper checks a username across 40+ platforms in one run and returns a per-site verdict with the profile URL — GitHub to Reddit to Keybase.

Skip the setup: Run this as a ready-to-go task on Apify — pre-loaded with the configuration from this guide.

Why check dev platforms

When you're correlating a developer's footprint — sourcing, security research, attribution — the signal lives on GitHub, package registries, and challenge sites, not Instagram.

sites scopes the run to exactly the platforms that matter for the question.

The checker resolves each platform's profile URL pattern and reports the verdict with the HTTP status behind it — one run replaces an afternoon of tab-checking.

How does this compare to the alternatives?

Why this Actor

• 40+ platforms per run — code, social, creator, and niche sites in one sweep.
• Clean verdicts per site: exists, not_found, or error — never ambiguous.
• profileUrl gives the canonical link when the account exists.
• httpStatus exposes the evidence behind each verdict.
• Bulk input — a watchlist of usernames runs in one go.

How to do it in 3 steps

Step 1: Configure the input

Set the inputs as shown below — usernames takes the targets, sites restricts the sweep to a subset — omit it to check all 40+ supported platforms.

Step 2: Run the Actor

Run it from the console, the API, or the linked saved task. One dataset row is written per site check.

Step 3: Use the output

Each row carries username, site, a status verdict (exists/not_found/error), the profileUrl when found, and the httpStatus behind the verdict.

{
  "usernames": [
    "pushpak"
  ],
  "sites": [
    "github",
    "gitlab",
    "npm",
    "pypi",
    "dockerhub",
    "leetcode",
    "hackerrank"
  ]
}

Each dataset row looks like:

{
  "username": "pushpak",
  "site": "github",
  "status": "exists",
  "profileUrl": "https://github.com/pushpak",
  "httpStatus": 200
}

What to watch for

Verdicts are status-code based — a handful of sites rate-limit aggressively and may return error rows under load; retry those rather than counting them as absent. exists proves the handle is registered, not who owns it.

Related use cases

• Audit Your Brand Handle Across 40+ Platforms
• Check a Username Across Creator Platforms
• Sweep Social Platforms for a Username
• Monitor Lookalike Usernames for Impersonation
• All Thirdwatch use-case guides

Run the Username OSINT Scraper on Apify Store — pay per result, free to try, no credit card to test.