All-in-one cloud communications platform and API with carrier-grade voice, data and messaging capabilities. Offers voice services such as Origination, Termination and SIP trunking over the Internet.
Cost / License
- Paid
- Proprietary
United StatesPlatforms
- Online
Clockwork SMS Alternatives
Clockwork SMS is described as 'An simple text message API' and is an website in the social & communications category. There are more than 50 alternatives to Clockwork SMS, not only websites but also apps for a variety of platforms, including SaaS, Android, iPhone and Mac apps. The best Clockwork SMS alternative is Telnyx. It's not free, so if you're looking for a free alternative, you could try Vendel or textbee.dev. Other great sites and apps similar to Clockwork SMS are Twilio, SMSAPI, Hilos by ActiveCampaign and SMSGate App.
Alternatives list
134 Twilio alternativesTwilio is a web-service API that lets you use your existing web languages and skills to build voice and SMS applications. We focus on building a simple, powerful, pay-as-you-go communications platform so that you can focus on what you do best.
Cost / License
- Paid
- Proprietary
Platforms
- Online
Vendel is a full-stack platform for SMS management and delivery through connected devices. It allows sending SMS messages using registered devices (Android phones or modems) as gateways, with quota management, webhooks, and multi-user support.
Cost / License
- Freemium
- Open Source (MIT)
Platforms
- Online
- Software as a Service (SaaS)
- Self-Hosted
- Docker
SMSAPI.com is browser platform for bulk SMS and other SMS marketing solutions. SMSAPI offers bulk SMS, MMS, voicemailing, HLR services, shortcode, SMS notifications, newsletter SMS, MMS coupons, mail2SMS, two-way SMS and other mobile services.
Cost / License
- Paid
- Proprietary
Platforms
- Online
- Software as a Service (SaaS)
- iPhone
- iPad
- Android
- Android Tablet
Platform for WhatsApp API that allows you Profile leads, automate follow-ups and integrate with your favorite tools to increase conversion.
Cost / License
- Paid
- Proprietary
Platforms
- Online
- Android
- iPhone
- Android Tablet
- iPad
54 textbee.dev alternativestextbee.dev is an open-source SMS gateway that enables users to send and receive SMS messages via a web dashboard or a REST API. Perfect for businesses, developers, and hobbyists who need a reliable and cost-effective way to automate SMS messaging.
Cost / License
- Freemium
- Open Source (MIT)
Platforms
- Online
- Android
- Self-Hosted
- Software as a Service (SaaS)
- Docker
A secure, open-source solution for sending and receiving SMS messages via Android devices. No registration, email, or phone number required - just install and use.
Cost / License
- Free
- Open Source (Apache-2.0)
Platforms
- Android
This RESTful API is a modern API that lets you use the message services provided by iP.1 Networks AB via your own applications. Do everything from just sending SMS messages to managing contacts and sending surveys.
Cost / License
- Paid
- Proprietary
Platforms
- Online
64 Plivo alternativesPlivo offers a simple, quick, and scalable way to modernize customer communications. Businesses of all sizes — from growing startups to public companies — rely on Plivo to deliver better customer experiences.
Cost / License
- Paid
- Proprietary
Platforms
- Online
With Callr, never again suffer the business consequences of forcing your team and partners to stick to an obsolete call scenario hardwired into your communication system. Business teams can easily create advanced AI-powered call scenarios without technical skills, enjoying the...
Cost / License
- Paid
- Proprietary
Platforms
- Online
- Android
- iPhone
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Cost / License
- Paid
- Proprietary
Platforms
- Online
Flashy helps you get to know your contacts and deliver to each one of them the right message at the right time via email, SMS and Push notifications in applications and web browsers.
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