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(Delphi DLL) Clickatell Send SMS Text MessageSee more Clickatell ExamplesDemonstrate how to send a Clickatell SMS text message. For more information, see https://docs.clickatell.com/channels/sms-channels/sms-api-reference/
uses Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics, Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Http, StringBuilder, HttpResponse, JsonObject; ... procedure TForm1.Button1Click(Sender: TObject); var http: HCkHttp; success: Boolean; json: HCkJsonObject; resp: HCkHttpResponse; sbResponseBody: HCkStringBuilder; jResp: HCkJsonObject; respStatusCode: Integer; errorCode: PWideChar; error: PWideChar; errorDescription: PWideChar; i: Integer; count_i: Integer; apiMessageId: PWideChar; accepted: Boolean; v_to: 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 -i \ // -X POST \ // -H "Content-Type: application/json" \ // -H "Accept: application/json" \ // -H "Authorization: API_KEY" \ // -d '{"content": "Test Message Text", "to": ["PHONE_NUMBER"], "from": "FROM_PHONE_NUMBER" }' \ // -s https://platform.clickatell.com/messages // Use this online tool to generate code from sample JSON: // Generate Code to Create JSON // The following JSON is sent in the request body. // { // "content": "Test Message Text", // "to": [ // "PHONE_NUMBER" // ] // } json := CkJsonObject_Create(); CkJsonObject_UpdateString(json,'content','Test Message Text'); CkJsonObject_UpdateString(json,'to[0]','PHONE_NUMBER'); CkJsonObject_UpdateString(json,'from','FROM_PHONE_NUMBER'); CkHttp_SetRequestHeader(http,'Authorization','API_KEY'); CkHttp_SetRequestHeader(http,'Accept','application/json'); CkHttp_SetRequestHeader(http,'Content-Type','application/json'); // If the following URL does not work, then try "https://platform.clickatell.com/v1/message" resp := CkHttp_PostJson3(http,'https://platform.clickatell.com/messages','application/json',json); 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) // { // "messages": [ // { // "apiMessageId": "66c06ac68e5c4afb953ea9328babfde6", // "accepted": true, // "to": "16302581871", // "errorCode": null, // "error": null, // "errorDescription": null // } // ], // "errorCode": null, // "error": null, // "errorDescription": null // } // Sample code for parsing the JSON response... // Use the following online tool to generate parsing code from sample JSON: // Generate Parsing Code from JSON errorCode := CkJsonObject__stringOf(jResp,'errorCode'); error := CkJsonObject__stringOf(jResp,'error'); errorDescription := CkJsonObject__stringOf(jResp,'errorDescription'); i := 0; count_i := CkJsonObject_SizeOfArray(jResp,'messages'); while i < count_i do begin CkJsonObject_putI(jResp,i); apiMessageId := CkJsonObject__stringOf(jResp,'messages[i].apiMessageId'); accepted := CkJsonObject_BoolOf(jResp,'messages[i].accepted'); v_to := CkJsonObject__stringOf(jResp,'messages[i].to'); errorCode := CkJsonObject__stringOf(jResp,'messages[i].errorCode'); error := CkJsonObject__stringOf(jResp,'messages[i].error'); errorDescription := CkJsonObject__stringOf(jResp,'messages[i].errorDescription'); i := i + 1; end; CkHttp_Dispose(http); CkJsonObject_Dispose(json); CkStringBuilder_Dispose(sbResponseBody); CkJsonObject_Dispose(jResp); end; |
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