SMSAPI Alternatives

Brings voice and messaging to your web and mobile applications.

Open Source

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

VoIPstudio is an award-winning VoIP system that offers businesses of all sizes a scalable communication solution. It’s inexpensive, easy-to-use, offers a full suite of PBX features, and is fully integrated for CRM.

Try for free paid Free Trial $4.99 / Monthly (User)

Reach 7 billion phones in seconds via SMS, Chat & Voice. Try it for free and improve your communication.

SMPP SMSC simulator to test SMS messaging applications.

Open Source freemium

Simple, reliable mobile messaging cloud.

LINK Mobility is Europe's leading provider within mobile communications, specialising in mobile SMS messaging, digital services and multi-channel conversational communication.

Sinch is a powerful voice and messaging SDK that lets you bring your apps to life with VoIP and...

Karix is a messaging and communication provider which helps in connectivity. Karix solutions provides messaging platform to marketing, voting of services.

Next generation cloud communication platform that allows for the easy building of voice, video, and messaging applications.

Our company offers virtual phone numbers, toll-free numbers, PBX, SMS numbers and numbers for a registration more than 100 countries. Buy Now!

paid $5.0 / Monthly

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

SMS messaging service provider offering two-way SMS communication services.

Tropo is a cloud API for voice and messaging.