const validateRegistration = async (otpSession, otp) => {
  try {
    const response = await fetch('https://api.weir.ai/auth/validate/registration', {
      method: 'POST',
      headers: { 'Content-Type': 'application/json' },
      body: JSON.stringify({ otpSession, otp })
    });
    
    if (!response.ok) {
      throw new Error(`HTTP error! status: ${response.status}`);
    }
    
    const data = await response.json();
    return data.data;
  } catch (error) {
    console.error('Validation error:', error);
    throw error;
  }
};

// Usage
const verificationData = await validateRegistration('otp_session_123456789', '123456');
console.log('User verified:', verificationData.userId);

import requests

def validate_registration(otp_session, otp):
    try:
        response = requests.post(
            'https://api.weir.ai/auth/validate/registration',
            json={'otpSession': otp_session, 'otp': otp}
        )
        response.raise_for_status()
        return response.json()['data']
    except requests.exceptions.RequestException as e:
        print(f'Validation error: {e}')
        raise

# Usage
verification_data = validate_registration('otp_session_123456789', '123456')
print(f'User verified: {verification_data["userId"]}')

function validateRegistration($otpSession, $otp) {
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, 'https://api.weir.ai/auth/validate/registration');
    curl_setopt($ch, CURLOPT_POST, true);
    curl_setopt($ch, CURLOPT_HTTPHEADER, ['Content-Type: application/json']);
    curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode([
        'otpSession' => $otpSession,
        'otp' => $otp
    ]));
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    
    $response = curl_exec($ch);
    $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
    curl_close($ch);
    
    if ($httpCode !== 200) {
        throw new Exception("HTTP error: $httpCode");
    }
    
    $data = json_decode($response, true);
    return $data['data'];
}