Just write phoneNumber@domainName.com, where the phone number is the target number, and the domain name is the network for the SMS Gateway. For example, To send an SMS through PHP to XYZ, you could add 5473543765@vtext.com to any email client, type a message, and hit send.

Create the send SMS application Create a file called send_sms.py and paste into it this code. Replace the auth placeholders with your authentication credentials from the Plivo console. Replace the phone number placeholders with actual phone numbers in E. 164 format (for example, +12025551234).