Java CAPTCHA. Eliminate bots and spam.

<dependency>
    <groupId>com.trustcomponent</groupId>
    <artifactId>trustcaptcha</artifactId>
    <version>2.0.0</version>
</dependency>

// Retrieving the verification result
VerificationResult verificationResult;
try {
    verificationResult = CaptchaManager.getVerificationResult("<your_secret_key>", "<verification_token_from_your_client>");
} catch (CaptchaFailureException e) {
    // Fetch verification result failed - handle error
}

// Act on the verification result
if (!verificationResult.getVerificationPassed() || verificationResult.getScore() > 0.5) {
    logger.warn("Verification failed or bot score > 0.5 – possible automated request.");
}