# Payment Methods

<table><thead><tr><th width="253">Id</th><th>Method</th></tr></thead><tbody><tr><td>1</td><td>3D</td></tr><tr><td>2</td><td>NonSecure</td></tr><tr><td>3</td><td>3D (Pre-Authorization)</td></tr><tr><td>4</td><td>NonSecure (Pre-Authorization)</td></tr><tr><td>5</td><td>Insurance (Sigortacılık İlk8 - Son4)</td></tr><tr><td>6</td><td><p><strong>Unknown</strong></p><p></p><p><strong>Note:</strong> In conditional payments, until the actual payment method is determined, the related transaction is assigned the <code>Unknown</code> method.</p></td></tr><tr><td>7</td><td><p><strong>OTP</strong></p><p></p><p><strong>Note:</strong> Applicable to transactions carried out via <code>OTP</code> in Masterpass payment processes.</p></td></tr></tbody></table>