D7network
You can use D7network to send out the order status update, and shipping & delivery SMS notifications to your customers.
Setup D7network SMS Integration
To set up the SMS notifications, on your WordPress admin, go to SMS Settings > Settings, and click on the SMS Service Provider:
- Select D7network from the list of SMS service providers
- Add your D7network API Token (given to you by D7network)

How to get your D7network API Token Credentials:
- Login into your D7network account.
- navigate to the Getting Started section and Create your API Token.

About D7network
D7 Messaging and SMS API helps start-ups and enterprises to easily communicate with their customers. Our global coverage, developer-friendly API, easy integration and expert support make the developer’s job of sending alerts or notifications to the customers easier.