# Invoke Method

<table id="bkmrk-content-description-"><thead><tr><th>Content</th><th>Description</th></tr></thead><tbody><tr><td>Protocal</td><td>HTTP/HTTPS</td></tr><tr><td>HTTP Method</td><td>POST (application/json)</td></tr><tr><td>Message Type</td><td>JSON</td></tr><tr><td>Charset</td><td>UTF-8</td></tr><tr><td>Signature Algorithm</td><td>MD5</td></tr><tr><td>Signature Verify</td><td>Request and Response are both required</td></tr></tbody></table>