Sample code for 30+ languages & platforms
Objective-C

Twilio Send SMS (using Chilkat HTTP)

See more Twilio Examples

Send an outgoing SMS message.

Chilkat Objective-C Downloads

Objective-C
#import <CkoHttp.h>
#import <CkoHttpRequest.h>
#import <CkoHttpResponse.h>
#import <CkoStringBuilder.h>
#import <CkoJsonObject.h>
#import <NSString.h>

BOOL success = NO;

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

CkoHttp *http = [[CkoHttp alloc] init];

// Implements the following CURL command:

// (See information about using test credentials and phone numbers:  https://www.twilio.com/docs/iam/test-credentials)

// curl -X POST https://api.twilio.com/2010-04-01/Accounts/TWILIO_ACCOUNT_SID/Messages.json \
// --data-urlencode "From=+15005550006" \
// --data-urlencode "Body=body" \
// --data-urlencode "To=+15005551212" \
// -u TWILIO_ACCOUNT_SID:TWILIO_AUTH_TOKEN

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

http.Login = @"TWILIO_ACCOUNT_SID";
http.Password = @"TWILIO_AUTH_TOKEN";

CkoHttpRequest *req = [[CkoHttpRequest alloc] init];
req.HttpVerb = @"POST";
req.Path = @"/2010-04-01/Accounts/TWILIO_ACCOUNT_SID/Messages.json";
req.ContentType = @"application/x-www-form-urlencoded";
[req AddParam: @"From" value: @"+15005550006"];
[req AddParam: @"Body" value: @"body"];
[req AddParam: @"To" value: @"+15005551212"];

CkoHttpResponse *resp = [[CkoHttpResponse alloc] init];
success = [http HttpReq: @"https://api.twilio.com/2010-04-01/Accounts/TWILIO_ACCOUNT_SID/Messages.json" request: req response: resp];
if (success == NO) {
    NSLog(@"%@",http.LastErrorText);
    return;
}

CkoStringBuilder *sbResponseBody = [[CkoStringBuilder alloc] init];
[resp GetBodySb: sbResponseBody];
CkoJsonObject *jResp = [[CkoJsonObject alloc] init];
[jResp LoadSb: sbResponseBody];
jResp.EmitCompact = NO;

NSLog(@"%@",@"Response Body:");
NSLog(@"%@",[jResp Emit]);

// A 201 status code indicates success.
int respStatusCode = [resp.StatusCode intValue];
NSLog(@"%@%d",@"Response Status Code = ",respStatusCode);
if (respStatusCode >= 400) {
    NSLog(@"%@",@"Response Header:");
    NSLog(@"%@",resp.Header);
    NSLog(@"%@",@"Failed.");
    return;
}

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

// {
//   "account_sid": "ACXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
//   "api_version": "2010-04-01",
//   "body": "body",
//   "date_created": "Thu, 30 Jul 2015 20:12:31 +0000",
//   "date_sent": "Thu, 30 Jul 2015 20:12:33 +0000",
//   "date_updated": "Thu, 30 Jul 2015 20:12:33 +0000",
//   "direction": "outbound-api",
//   "error_code": null,
//   "error_message": null,
//   "from": "+15017122661",
//   "messaging_service_sid": "MGXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
//   "num_media": "0",
//   "num_segments": "1",
//   "price": null,
//   "price_unit": null,
//   "sid": "MMXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
//   "status": "sent",
//   "subresource_uris": {
//     "media": "/2010-04-01/Accounts/ACXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX/Messages/SMXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX/Media.json"
//   },
//   "to": "+15558675310",
//   "uri": "/2010-04-01/Accounts/ACXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX/Messages/SMXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX.json"
// }

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

NSString *account_sid = [jResp StringOf: @"account_sid"];
NSString *api_version = [jResp StringOf: @"api_version"];
NSString *body = [jResp StringOf: @"body"];
NSString *date_created = [jResp StringOf: @"date_created"];
NSString *date_sent = [jResp StringOf: @"date_sent"];
NSString *date_updated = [jResp StringOf: @"date_updated"];
NSString *direction = [jResp StringOf: @"direction"];
NSString *error_code = [jResp StringOf: @"error_code"];
NSString *error_message = [jResp StringOf: @"error_message"];
NSString *from = [jResp StringOf: @"from"];
NSString *messaging_service_sid = [jResp StringOf: @"messaging_service_sid"];
NSString *num_media = [jResp StringOf: @"num_media"];
NSString *num_segments = [jResp StringOf: @"num_segments"];
NSString *price = [jResp StringOf: @"price"];
NSString *price_unit = [jResp StringOf: @"price_unit"];
NSString *sid = [jResp StringOf: @"sid"];
NSString *status = [jResp StringOf: @"status"];
NSString *subresource_urisMedia = [jResp StringOf: @"subresource_uris.media"];
NSString *v_to = [jResp StringOf: @"to"];
NSString *uri = [jResp StringOf: @"uri"];