(Delphi DLL) SimpleTexting - Send SMS Message

Send a text message to an individual contact.

For more information, see https://simpletexting.com/api/docs/#operation/sendSmsPost

Chilkat for Delphi Downloads Chilkat non-ActiveX DLL for Delphi Chilkat ActiveX DLL for Delphi * The examples here use the non-ActiveX DLL.

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Http, HttpRequest, HttpResponse, StringBuilder, JsonObject;

...

procedure TForm1.Button1Click(Sender: TObject);
var
http: HCkHttp;
success: Boolean;
req: HCkHttpRequest;
resp: HCkHttpResponse;
sbResponseBody: HCkStringBuilder;
jResp: HCkJsonObject;
respStatusCode: Integer;
code: Integer;
message: PWideChar;
smsid: PWideChar;

begin
// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

http := CkHttp_Create();

// Implements the following CURL command:

// curl --request POST \
//   --url 'https://app2.simpletexting.com/v1/send?token=YOUR_API_TOKEN&phone=SOME_STRING_VALUE&message=SOME_STRING_VALUE' \
//   --header 'accept: application/json' \
//   --header 'content-type: application/x-www-form-urlencoded'

// Use the following online tool to generate HTTP code from a CURL command
// Convert a cURL Command to HTTP Source Code

CkHttp_SetRequestHeader(http,'accept','application/json');
CkHttp_SetRequestHeader(http,'content-type','application/x-www-form-urlencoded');

req := CkHttpRequest_Create();
CkHttpRequest_AddParam(req,'token','YOUR_API_TOKEN');
CkHttpRequest_AddParam(req,'phone','SOME_10_DIGIT_PHONE_NUMBER');
CkHttpRequest_AddParam(req,'message','Hello: This is a sample text message with some punctuation: &%$@,;.');

CkHttpRequest_AddHeader(req,'Accept','application/json');

resp := CkHttp_PostUrlEncoded(http,'https://app2.simpletexting.com/v1/send',req);
if (CkHttp_getLastMethodSuccess(http) = False) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

sbResponseBody := CkStringBuilder_Create();
CkHttpResponse_GetBodySb(resp,sbResponseBody);
jResp := CkJsonObject_Create();
CkJsonObject_LoadSb(jResp,sbResponseBody);
CkJsonObject_putEmitCompact(jResp,False);

Memo1.Lines.Add('Response Body:');
Memo1.Lines.Add(CkJsonObject__emit(jResp));

respStatusCode := CkHttpResponse_getStatusCode(resp);
Memo1.Lines.Add('Response Status Code = ' + IntToStr(respStatusCode));
if (respStatusCode >= 400) then
  begin
    Memo1.Lines.Add('Response Header:');
    Memo1.Lines.Add(CkHttpResponse__header(resp));
    Memo1.Lines.Add('Failed.');
    CkHttpResponse_Dispose(resp);
    Exit;
  end;
CkHttpResponse_Dispose(resp);

// Sample JSON response:
// (Sample code for parsing the JSON response is shown below)

// {
//   "code": 1,
//   "message": "The request succeeded",
//   "smsid": "5bec5b9d0a975a238808ffb2"
// }

// Sample code for parsing the JSON response...
// Use the following online tool to generate parsing code from sample JSON:
// Generate Parsing Code from JSON

code := CkJsonObject_IntOf(jResp,'code');
message := CkJsonObject__stringOf(jResp,'message');
smsid := CkJsonObject__stringOf(jResp,'smsid');

CkHttp_Dispose(http);
CkHttpRequest_Dispose(req);
CkStringBuilder_Dispose(sbResponseBody);
CkJsonObject_Dispose(jResp);

end;