Update Message Template
Update Message Template for SMSGatewayCenter APIs
Introduction to SMSGatewayCenter APIs
Welcome to SMSGatewayCenter’s API documentation hub! This guide helps you update message templates using our powerful Update Message Template API, part of our messaging suite including SMS API for bulk messaging, WhatsApp Business API for customer engagement, Voice Call API for automated alerts, and Two-Way SMS API for interactive communication. Our API supports only POST methods over HTTP, offering a secure way to modify DLT-approved templates. Ideal for developers in India, start integrating with our SMS gateway at unify.smsgateway.center/signup/!
Update your message templates (e.g., with variables like {OTP}) to reflect changes, ensuring DLT compliance for bulk SMS campaigns. This endpoint enhances your bulk SMS management with real-time updates and Unicode support, perfect for maintaining standardized, compliant messaging.
API Endpoint
https://unify.smsgateway.center/SMSApi/template/update
Key | Value | Description |
---|---|---|
Login Credentials (Required) | ||
Authenticate your API request using userid-password or apiKey—choose one method. | ||
userid | Your Registered Username | Your registered username; use if apiKey isn’t provided. Signup for User ID |
password | Your Password | URL-encoded password (for special characters); use if apiKey isn’t provided. Signup for API Key |
Header (optional) Parameters | ||
apiKey | Your unique apiKey | apiKey needs to be sent as HTTP header when you are not using userid-password method. You can avail this from your user control panel and use instead of userid-password HTTP Request parameter. Please do not disclose this to anyone. |
Required Parameters | ||
message | Message Template Content. | Update Message Template with variable. |
id | Message Template's ID. | Enter Message Template'ss ID which needs to be edited. |
output | plain|json|plain | Value for response format.System default is plain. If you need responses in json or plain then you have to give value as json or plain. |
<?php
$curl = curl_init();
curl_setopt_array($curl, array(
CURLOPT_URL => "https://unify.smsgateway.center/SMSApi/template/update",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
CURLOPT_POSTFIELDS => "userid=YourUsername&password=YourPassword&message=This is new variable test message ###123### from Test&id=123&output=json",
CURLOPT_HTTPHEADER => array(
"cache-control: no-cache",
"content-type: application/x-www-form-urlencoded"
),
));
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}
{
"response": {
"api": "template",
"action": "update",
"status": "success",
"msg": "Template updated successfully and given for approval.",
"code": "200"
}
}

Unlock Real-Time Messaging – Integrate Today!
Try Our API in a Sandbox Environment Before Going Live!
Join Thousands of Developers – Try Our API Now!
Get in touchSign upTestimonials
Why do Great Businesses Trust SMS Gateway Center?