Clockwork SMS!

Multiple redundant systems. No maintenance windows. Find out more http://clockworksms.com/blog/data-centre-improvements/
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Clockwork SMS alternatives

  • Twilio

  • Twilio 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.

    tags: api asterisk hosted-ivr hosted-pbx hosted-sms
    platform: Online
  • Nexmo

  • Nexmo provides innovative communication APIs that bridge traditional voice and text services with cloud communications.

    tags: api sms-api sms-messaging web-based
    platform: Online
  • Plivo

  • Plivo is a voice and SMS API platform that enables developers and enterprises to build powerful apps with great features. With 24/7 free tech support and low prices, Plivo can help your business scale globally.

    tags: api cloud-telephony communications developer-tools iaas
    platform: Online
  • iP.1 RESTful API

  • 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.

    tags: api sms-api sms-from-pc sms-gateway sms-messaging
    platform: Online
  • Swift SMS Gateway

  • SMS Gateway is your bridge between the Internet and the world of cell phone SMS text messaging. We've taken care of all the complicated details and harnessed the sophisticated technology necessary to bring you a simple solution for sending SMS text messages from a web or desktop application.

    tags: api sms-api sms-messaging
    platform: Online
  • KAPSYSTEM

  • KAP Computer Solutions Pvt. Ltd., (KAPSYSTEM) pioneer in BULK SMS Solutions. KAPSYSTEM provides messaging and voice communications with comprehensive and customized platform for all businesses.

    tags: bulk-sms-service sms-api transactional-sms
    platform: Online
  • Textlocal

  • Textlocal bulk SMS service allows you to quickly reach out to millions of your customers, prospects and staff within seconds at the click of a button. With our unparalleled features, you can now easily personalize your messages, attach images and PDFs, include web links as calls-to-action, send discount vouchers and coupons, and collect data via mobile forms. What’s more, you can even measure your campaign performance in real-time.

    tags: bulk-sms business-sms email-to-sms-gateway group-sms missed-call
    platform: Online Android iPhone
  • CALLR

  • CALLR is a voice and messaging API available through REST, JSON-RPC and SDKs (PHP, Python, Ruby, Go, Node.JS, Swift, Java, .NET). It's built with many features made to help brands create smarter interaction with their customers and prospects. CALLR's services are available worldwide in 220+ countries. Two web interfaces, SENDR (Campaign Management) and CALLTRACKR (calltracking and click-to-call) are available to offer access to CALLR's services without having to code.Here are our six main business use cases:SIP Trunking (Outbound and inbound calls at scale) - Conveniently handle my important outgoing call needs. Face any international needs with an adaptive solution that matches my location, and network situation.User Acquisition and Engagement (Outbound calls and SMS campaigns) - Generate online and in-store traffic and keep users engaged using automated and scalable communications methods. Easily broadcast news about sales and events to my customer base.Notifications (Personalized outbound calls and SMS) - Send personalized messages to your customers at key steps of their journey. Notify them of main events and make sure they receive your messages.Custom IVR (Inbound or outbound calls control menu) - Create a smart mapping to route incoming calls according to the rules I set. Make sure each call I receive is handled the quickest and most efficient way.Call Tracking (Inbound calls source identification) - Track incoming calls activity and know where my users found my number. Track calls generated for and routed to a third party.Person to Person Communication (Users calls and SMS safeguarding) - Easily allow my users to exchange with each other on their usual channels. Frame the interaction to ensure its security and keep it smooth. »

    tags: api asterisk business-sms call-forwarding call-recording
    platform: Online Android iPhone
  • engageSPARK

  • engageSPARK enables anyone, anywhere to build and launch SMS and Voice Call messaging, surveying, and decision tree programs to 200+ countries – within minutes. It is a self-service website where any non-technical person can easily, quickly, and cheaply create messaging campaigns, curriculums, surveys, reminders, alerts, decision tree programs, etc. to send key information and collect important data from their participants.

    tags: ivr sms-api sms-from-pc sms-marketing sms-web-service
    platform: Mac OS X Windows Linux Online Android iPhone Chrome OS Android Tablet Windows Phone iPad
  • Spring Edge

  • Spring Edge is one of the premier business communication solutions provider, Spring Edge's core services includes messaging and voice communications with comprehensive and customized platform for all business scales.

    tags: bulk-sms-service extensible sms-api transactional-sms
    platform: Online
  • Bandwidth

  • Direct to carrier voice API and text messaging API. Enhance your app with voice and messaging functionality.

    tags: api bulk-sms-gateway-service bulk-sms-service communications developer-tools
    platform: Online
  • ExpressText.net

  • ExpressText is a SMS Marketing provider that allows anyone with access to a computer and internet connection to utilize mobile marketing, one of the most effective forms of consumer advertisement. With our service, individuals and businesses can manage and execute effective SMS marketing campaigns to increase revenue, bring awareness to their brand, and create a stronger market presence.

    tags: advertising bulk-sms marketing marketing-campaigns sms-marketing
    platform: Online
  • BudgetSMS.net

  • High quality and cheap SMS gateway with coverage of 900+ operators worldwide. ? Worldwide coverage ? Free testing ? Great pricing ? Easy HTTP(s) API

    tags: sms-api sms-gateway sms-marketing sms-messaging
    platform: Mac OS X Windows Linux Online Windows Mobile Chrome OS Windows RT Self-Hosted C (programming language) C# JavaScript PHP C++ Java Objective-C
  • Fewsecond

  • Fewsecond is a web platform offering Bulk SMS services, Short number and APIs for integration in Web applications and Softwares.

    tags: sms-business-services bulk-ms short-numbers api-sms
    platform: Online
  • Txtfyre.com

  • - Automatically Generate Subscribers -People will subscribe and unsubscribe by simply texting a keyword to your Txtfyre number. Give it a try, text PIZZA to (417) 671-0271 to subscribe to Sam’s Cellar Text Club.

    tags: marketing-automation mobile-app sms-applications sms-from-pc sms-marketing
    platform: Online