atompark-sms

https://myatompark.com/ SMS client

Use as simple as:

AtomParkSmsSender sender = new AtomParkSmsSender(
                "your_public_key",
                "your_private_key"
);

//sender.getCampaignInfo( compain_id );
sender.sendMessage( "senderName", "some text", 380972223322L );

Instructions how to add dependency to your project: https://jitpack.io/#alexeytokar/atompark-sms