Best SMS Marketing Software for WHMCS

ActiveCampaign's SMS marketing features enable you to connect with customers through their preferred communication channel. Create automated SMS campaigns and workflows in conjunction with email and WhatsApp. Utilize the AI SMS Builder to generate consistent, brand-aligned messaging, and set up text messages triggered by customer actions—such as cart abandonment, specific tags, or stages in the sales process—to encourage quicker interactions and boost sales.

BulkSMS.com is a leading business messaging application which enables businesses to quickly and easily engage with their staff, stakeholders and customers.

MailerSend is a hassle-free transactional messaging service designed so that developers can integrate transactional email and SMS quickly and effortlessly into their stack. Intuitively designed so anyone can contribute, with a powerful sending infrastructure and flexible payment plans that empower you to scale your sendings quickly. With over a decade of deliverability expertise, and inbuilt email verification, you can rest easy knowing your sender reputation will remain intact. Plus, premium features including sender identities, dedicated IPs and priority support make for an advanced, comprehensive solution. Get started for FREE with 500 emails per month, then upgrade for as little as $7/month for up to 5,000 emails!