Best nimbusIT API SMS Service Alternatives & Competitors in 2025

Send text messages to any phone via Terminal!

Open Source

Texting Base is a personalized group text messaging platform.

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)

SMS Broadcast is a bulk SMS provider and an easy way to use SMS Marketing for businesses.

The all-in-one solution for all your business texting needs - marketing campaigns, two-way SMS chats, reminders, notifications, and internal staff communication.

paid Free Trial $20.0 / One-off

Pyze utilizes machine learning to understand user behavior and automate user engagement so...

SimpleTexting offers SMS and text marketing services for companies of all sizes.

Get a business phone system on your smartphone and computer. We provide professional, affordable sms, text, and voice solutions in an easy to use system. 14-day free trial.

SMS API for developers that you can rely on.

paid £1.99 / One-off (30 SMS credits to the UK region.)

Predictive Call Center, Voice and Text Broadcasting app

Direct SMS is an SMS API & SMS Software provider specializing in SMS services in Australia.

EZ Texting provides SMS marketing solutions to businesses of all sizes.

Brings voice and messaging to your web and mobile applications.

Open Source

Slick Text provides businesses and organizations with an easy and affordable platform for text message marketing.