Integrate SMS provider API with Shopify store

We need to integrate the API of 3rd party SMS Provider with our Shopify store to send SMS to customers when they order and to send promotions from time to time to customers.

https://msegat.docs.apiary.io/#/introduction/introduction?mc=reference%2Foperations%2Fsend-sms%2Fsend-sms%2F200

this is the API documentation for our SMS provider.