title: Graph API Unable to read JSON request payload
body: <p>In power automate using Invoke an HTTP request, I am unable to make a graph API call for email sent(Post: <a href="https://graph.microsoft.com/v1.0/me/sendMail" rel="nofollow noreferrer">https://graph.microsoft.com/v1.0/me/sendMail</a>) with a customized email body (HTML elements and tags). It does not allow the below custom HTML code and errors as &quot;Unable to read JSON request payload. Please ensure the Content-Type header is set and payload is of valid JSON format.&quot;  Please find the code below. In addition, HTML code is</p>
  <p>Please find the code below.
  <a href="https://i.stack.imgur.com/urD8U.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/urD8U.png" alt="enter image description here" /></a></p>
  <p>And HTML Code is
  <a href="https://i.stack.imgur.com/QG0Re.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/QG0Re.png" alt="enter image description here" /></a></p>