> 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/masterpass-response-codes.md).

# Masterpass Response Codes

**Response Codes**

<table><thead><tr><th width="160.5">UD</th><th>Status</th></tr></thead><tbody><tr><td>0000</td><td>Successful Transaction</td></tr><tr><td>5010</td><td>3D Flow</td></tr><tr><td>5001</td><td>OTP Verification</td></tr><tr><td>5008</td><td>OTP Verification</td></tr></tbody></table>