How to Send Email to Contact and relate it to Case via Salesforce REST API?
Enable "Email-To-Case".Path:/services/data/v53.0/sobjects/Case/quickActions/SendEmail HTTP Method:POST Body:{ "contextId": "5008c00001Ejue0AAB" "record": { "HtmlBody": "<div+style="font-family:+Arial;+font-size:+14px;">Test</div>", "Subject": "InfallibleTechie", "ToIds": ["0038c00002bkSPZAA2"] }} Example: Output: