> For the complete documentation index, see [llms.txt](https://developer.paywall.one/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developer.paywall.one/payment-orchestration-integration-document/system-data/payment-methods.md).

# 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 (First 8 Last 4)</td></tr><tr><td>6</td><td><p><strong>Unknown</strong></p><p></p><p><strong>Note:</strong> In conditional payments the transaction has the <strong>Unknown</strong> method until the payment method is determined</p></td></tr><tr><td>7</td><td><p><strong>OTP</strong></p><p></p><p><strong>Note:</strong> Applies to transactions completed with OTP in Masterpass payment flows</p></td></tr><tr><td>8</td><td>3D Model</td></tr><tr><td>9</td><td>Half 3D Model</td></tr></tbody></table>