ShieldLabs
Ban Evasion Prevention

Prevent ban evasion and make your bans stick

Make every ban final, and stop one banned user from quietly returning under a new account

Ban Evasion Prevention illustration

How ShieldLabs helps

Stop ban evasion at signup

Recognize a banned user the moment they create a new account

Cut repeat ban work

Catch the evader at signup instead of finding and banning them again

Act on evidence, not guesswork

Link a new signup to a banned account with a clear signal trail

Keep real users friction-free

Legitimate new signups join without extra verification or hold steps

How ShieldLabs prevents ban evasion

ShieldLabs recognizes the real visitor behind every anonymous session, so your team can catch a banned user the moment they return under a new account and protect platform integrity

Accurate Identification

Identify returning visitors and users across sessions, cleared cookies, incognito mode, rotated IP, and fresh accounts

Accurate Identification

Anonymity Signals

Detection of VPN, proxy, Tor, anti-detect browser, IP reputation and other anonymity signals on every visit, with up to 99% accuracy

Anonymity Signals

Risk Score

A ready-to-use score reflecting the risk of each visit, with the weight of every signal behind it

Risk Score

Ready-Made Patterns

Detection of the hidden connections between accounts that may signal multi-accounting, account farms, and more

Ready-Made Patterns

Real-Time Analytics

See how much of your traffic is masked, with an overall quality score and a breakdown of the sources sending your visits

Real-Time Analytics

Start preventing ban evasion in 5 minutes

Easily integrate into any signup, login, or account creation flow

  1. 1

    Create your account

    Get 5,000 free identifications

  2. 2

    Add the snippet

    It identifies every visitor and returns their anonymity signals and a risk score

  3. 3

    Check your traffic quality

    See how much of your traffic is masked, with an overall traffic score

  4. 4

    Use the API and Webhooks

    Apply the risk score and anonymity signals in your rules to stop fraud and abuse

api.shieldlabs.ai/v1/visits/latest
{
  "request_id": "0c284695-cf0b-4755-8beb-0a2e9536595e",
  "visitor_id": "aa8c616a-8a25-4a5e-bee2-a9a08e5128a4",
  "device_id": "6a45967d-1371-9652-ba99-b01ea3992208",
  "user_hid": "u_9f2a41c7",
  "public_ip": { "ip": "62.197.149.124", "country": "United States" },
  "local_ip": { "ip": "45.83.91.7", "country": "United States" },
  "connection_type": "vpn",
  "os": "Windows",
  "browser": "Chrome",
  "device_type": "desktop",
  "risk_score": 85,
  "signals": [
    { "name": "antidetect_browser", "weight": 60 },
    { "name": "vpn", "weight": 15 },
    { "name": "timezone_mismatch", "weight": 10 }
  ]
}

Start catching ban evasion today

Free 5,000 one-time identifications, with transparent pricing that scales with your needs

Frequently asked questions