This method allows you to create (and optionally activate) keyword

You should already have a purchased response number.


  • number - integer - number on which you want to run keyword

  • keyword - string - the keyword. use * to catch all incoming messages.

  • name - string - name (reference) for the keyword

  • list_id - integer - list to add incoming recipients. REQUIRED for reply_message_dupe

  • reply_message - string - automatic response SMS for new incoming recipients.

  • reply_message_dupe - string - automatic response SMS for incoming recipients which are already in the list.

  • activate - boolean - flag to activate keyword right after creation. true by default.

  • pass_to_url - string - callback URL for responses.

  • pass_to_email - string - list of emails to forward response to. please use comma to separate multiple values.

  • pass_to_sms - string - list of numbers to forward response as SMS. please use comma to separate multiple values. please use numbers in international format.

Expected response:

  • ADDED - keyword was added but not activated

  • ACTIVATED - keyword was added and activated

  • LONGCODE_UNAVAILABLE - the number you're using doesn't exist or don't belong to you

  • DUPLICATE_KEYWORD - the keyword you provided already exists

  • OVER_LIMIT - you reached the limit of active keywords for your account

  • EMAIL_INVALID - you provided an invalid email

  • NUMBER_INVALID - you provided an invalid number

  • NUMBER_LOCAL - you provided a number in local format



XML Request Example

<?xml version='1.0'?>

<reply_message>thank you for signing up</reply_message>

XML Response Example

<?xml version='1.0'?>

<time>2012-11-21 16:49:23 GMT</time>
<timestamp>1353516563 GMT</timestamp>

PHP Example

Download the PHP API Client


// change api key and secret to your own
$myAPIKey = "API_KEY";
$myAPISecret = "API_SECRET";

// include base class

// create new client object
$transmitsmsAPI = new transmitsmsAPI($myAPIKey, $myAPISecret);

// set some vars
$keyword='my keyword';
$name='my keyword name';

// execute request
$methodResponse = $transmitsmsAPI->addKeyword($number, $keyword, 0, $name);

// parse response into xml object
$xml = @simplexml_load_string($methodResponse);

// an error has occurred (usually this is because the list name already exists)
if (property_exists($xml, 'error')) {
echo "Keyword was not added: " . (string) $xml->error;
else {
echo "Keyword has been added. ID is ".$xml->data->id;


GET Example

Using a URL based request system you can request this method by using the below URL - be sure to url encode all your variables!