API authentication in PHP

Here is a code sample, showing how to authenticate and use one of our API endpoints, when coding in PHP (curl command).

<?php

// api endpoint
$apiendpoint = 'https://api.transmitsms.com/send-sms.json';
// api key
$apikey = 'e898ef5f67f0f73d88ef97624bacf614';
// api secret
$apisecret = 'dkjfkdjf@dkfjdkA';
// send sms post body
$post = [
    'to'      => '614111',
    'message' => 'testing 1 2 3'
];

$params = http_build_query($post);

$ch = curl_init($apiendpoint);
curl_setopt( $ch, CURLOPT_RETURNTRANSFER, true );
curl_setopt( $ch, CURLOPT_FOLLOWLOCATION, true );
curl_setopt( $ch, CURLOPT_POST, 1 );
curl_setopt( $ch, CURLOPT_POSTFIELDS, $params );
curl_setopt( $ch, CURLOPT_HTTPHEADER,
    [
        'content-type: application/x-www-form-urlencoded',
        'Authorization: Basic ' . base64_encode("$apikey:$apisecret")
    ]
);
$res = curl_exec( $ch );
curl_close( $ch );

echo $res;

?>

The API key and API secret can be found in the Settings screen of your Burst SMS account.