URL = "https://httpbin.org"; URL = URL + "/post"; Image = "https://api.athenaeum.digital/test_data/picture.jpg"; // URL, Path or Binary Data Result = OPI_HTTPRequests.NewRequest() .Initialize(URL) .StartMultipartBody() .AddMultipartFormDataFile("file1", "pic.png", Image, "image/png") .AddMultipartFormDataField("Field1", "Text") // <--- .AddMultipartFormDataField("Field2", "10") // <--- .ProcessRequest("POST") .ReturnResponseAsJSONObject();