This module helps build Twilio SendGrid's SMTP API headers.

Learn more about the SMTP API at Twilio SendGrid's documentation.

All the updates to this module are documented in our CHANGELOG.

• Installation
• Quick Start
• Usage
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• How to Contribute
• About
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• License

• PHP version 7.3, 7.4, 8.0, or 8.1
• The Twilio SendGrid service, starting at the free level

The following recommended installation requires composer.

Add the following to your composer.json file.

{
    "require": {
        "sendgrid/smtpapi": "^0.7.0"
    }
}

Then at the top of your script require the autoloader:

require 'vendor/autoload.php';

If you are not using Composer, simply download and install the latest packaged release of the library as a zip.

⬇︎ Download Packaged Library ⬇︎

Then require the library from package:

require('path/to/smtpapi-php/smtpapi-php.php');

The previous versions of the library can be downloaded directly from GitHub.

Update the development environment with your SENDGRID_API_KEY, for example:

echo "export SENDGRID_API_KEY='YOUR_API_KEY'" > sendgrid.env
echo "sendgrid.env" >> .gitignore
source ./sendgrid.env

$header = new Smtpapi\Header();
$header->addTo('test1@example.com');
$header->addTo('test2@example.com');
print $header->jsonString();

• Twilio SendGrid Docs
• Example Code

We encourage contributions to our projects; please see our CONTRIBUTING guide for details.

Quick links:

• Feature Request
• Bug Reports
• Improvements to the Codebase
• Review Pull Requests

smtpapi-php is maintained and funded by Twilio SendGrid, Inc. The names and logos for smtpapi-php are trademarks of Twilio SendGrid, Inc.

If you need help using SendGrid, please check the Twilio SendGrid Support Help Center.

The MIT License (MIT)