Top 8 HSL SMS Gateway Alternatives

Brings voice and messaging to your web and mobile applications.

Nexmo is a simple two way SMS API with global reach and wholesale rates

Textlocal is an app that allows for individual and group texting. It is designed for businesses that have employers and employees who need to communicate with each other, making it easier to announce group meetings and special announcements.

Clockwork is an Easy Text Message API. An SMS API for Developers. Build powerful apps and include SMS. Signup is free, Try it now.

SMSAPI.com is browser platform for bulk SMS and other SMS marketing solutions.

Start Marketing campaigns for customers with Releans for SMS, Email & Dynamic links for 225 countries. Get started with a free account.

freemium $20.0 (2000 SMS)

Highly reliable SMS gateway service enabling businesses to send SMS messages to mobiles all around the world. Specialising in outbound bulk SMS services using SMPP SMS API for SMS broadcasts, SMS marketing and other SMS applications.

Plivo's Voice API enables businesses to build Voice apps to reach customers globally in 200+ countries. Try Plivo's Voice API for free. Instant Sign Up.