Create Incident details/body in html format through API integration

I am trying to create incident body in html format. Below is the request sending. But incident details/body is not created in html format. Can you pelase help.
{
“incident”: {
“type”: “incident”,
“title”: “Test GMS-PD-HTML Integration”,
“service”: {[quote=“praveen.reddy, post:1, topic:2306, full:true”]
I am trying to create incident body in html format. Below is the request sending. But incident details/body is not created in html format. Can you pelase help.
{
“incident”: {
“type”: “incident”,
“title”: “Test GMS-PD-HTML Integration”,
“service”: {
“id”: “service_id”,
“type”: “service”
},
“body”: {
“type”: “incident”,
“details”: “

Test By Praveen for GMS Integration


}
}
}
[/quote]
  "id": "service_id",
  "type": "service"
},
"body": {
  "type": "incident",
  "details": "<p style='color:red; font-size:50px;'>Test By Praveen for GMS Integration</p>"
}

}
}

Hello Praveen,

Thanks for reaching out on our Community page. Can you follow up directly to Support@pagerduty.com instead with a link to thisI Incident? As Community is a public forum we dont recommend you sharing sensitive information here.

John