URL: <domain_url>/api/v3/requests/upload
Method: POST
Payload: files ( input_data = <file_content> )
Response:
2) Add the attachment to the particular resolution:
Link/Attach the attachment id with the corresponding request
URL: <domain_url>/api/v3/requests/<request_id>
Method: PUT
Payload: input_data = {"request":{"resolution":{"resolution_attachments":[{"id":"<attachment_id>"}]}}}
Response: request.resolution.