This is Cms Magento 2 module for integration with smsp.by api service. For more info look this service site.
composer require 'sablesoft/magento2-smsp'
bin/magento module:enable SableSoft_Smsp
bin/magento cache:clean
bin/magento cache:flush
bin/magento setup:upgrade
bin/magento setup:di:compile
- Set your smsp user and apikey in admin panel
- Use SableSoft\Smsp\Model\Api for api requesting