Hi team,
Hope you are doing good.
Myself Krishna having around 6+ years of experience in Salesforce.
Do we need that button in classic or lightning?
I have worked on REST and SOAP and will be able to deliver the work as per your requirement.
Can provide you some sample code which invokes the web service and you can modify accordingly like the variables /fields incase of custom fields and Json request. I am happy to be on zoom call with you and assist the work.
Our Area of expertise is CPQ, FSL, Sales, Service, Community, EINSTEIN ANALYTICS, AURA, Apex, LWC, FLOWS, REST, SOAP.
Kindly review our profile and reach us on chat to discuss further in detail.
Thanks, have a great day :)