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What is Nexmo?

Nexmo connects your apps directly to carriers around the world. Integrate SMS and Voice messages using one simple API. Use Nexmo Verity to register users, verify transactions, and implement two factor authentication.

What is Tropo?

Tropo is a powerful yet simple API that adds Voice and SMS support to the programming languages you already know.

What is Twilio?

Twilio offers developers a powerful API for phone services to make and receive phone calls, and send and receive text messages. Their product allows programmers to more easily integrate various communication methods into their software and programs.
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Why do developers choose Nexmo?
Why do developers choose Tropo?
Why do developers choose Twilio?
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          What companies use Nexmo?
          What companies use Tropo?
          What companies use Twilio?

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          What tools integrate with Nexmo?
          What tools integrate with Tropo?
          What tools integrate with Twilio?
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            What are some alternatives to Nexmo, Tropo, and Twilio?
            Plivo provides basic building block APIs in the form of Plivo XML and HTTP API, to create telephony apps, so developers can completely do away with learning the nitty-gritty of the telephony plumbing.
            A Communications Platform as a Service company offering a full suite of voice, messaging, and 9-1-1 APIs, all built atop the company's own all-IP voice network.
            It is a global leader in omnichannel engagement. We help our clients and partners overcome the complexity of consumer communications & grow their business.
            It gives powers to chat commerce by helping you reach and engage customers through SMS, WhatsApp and other social channels.
            At MessageBird we believe that communicating with a business should feel as natural as communicating with a friend. That's why our SMS, Voice and Conversations APIs continue to revolutionize company-customer interactions.
            See all alternatives
            Decisions about Nexmo, Tropo, and Twilio
            Julien DeFrance
            Julien DeFrance
            Principal Software Engineer at Tophatter | 3 upvotes 87.2K views
            Twilio Functions
            Twilio Functions
            Twilio SendGrid
            Twilio SendGrid

            Nexmo vs Twilio ?

            Back in the early days at SmartZip Analytics, that evaluation had - for whatever reason - been made by Product Management. Some developers might have been consulted, but we hadn't made the final call and some key engineering aspects of it were omitted.

            When revamping the platform, I made sure to flip the decision process how it should be. Business provided an input but Engineering lead the way and has the final say on all implementation matters. My engineers and I decided on re-evaluating the criteria and vendor selection. Not only did we need SMS support, but were we not thinking about #VoiceAndSms support as the use cases evolved.

            Also, on an engineering standpoint, SDK mattered. Nexmo didn't have any. Twilio did. No-one would ever want to re-build from scratch integration layers vendors should naturally come up with and provide their customers with.

            Twilio won on all fronts. Including costs and implementation timelines. No-one even noticed the vendor switch.

            Many years later, Twilio demonstrated its position as a leader by holding conferences in the Bay Area, announcing features like Twilio Functions. Even acquired Authy which we also used for 2FA. Twilio's growth has been amazing. Its recent acquisition of SendGrid continues to show it.

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            Interest over time
            Reviews of Nexmo, Tropo, and Twilio
            Avatar of raycheung
            Software Developer at Segantii Capital Management
            Review ofNexmoNexmo

            It just works as expected within minutes -- you get both outbound/inbound messages, with delivery receipts or incoming callbacks -- all working in the easiest form.

            Review ofTwilioTwilio

            Twilio is by far the most complete solution for SMS, its API is extremely well structured. And its integration with rails is pretty straight forward.

            How developers use Nexmo, Tropo, and Twilio
            Avatar of Kalibrr
            Kalibrr uses NexmoNexmo

            We fall back to Nexmo when Chikka ( and Semaphore ( have downtime or deliverability problems. Chikka and Semaphore are local (Philippine) SMS APIs handled by SMART and Globe, respectively, and report higher deliverability rates than Nexmo (at lower cost).

            Avatar of Instacart
            Instacart uses TwilioTwilio

            We use Twilio extensively for voice call routing, for texting. We, in fact, use it for MMS messaging as of recently...We do number masking. So the personal shopper never has your actual number, you call the Twilio number and it routes you intelligently to the customer. And vice-versa.

            Avatar of Kent Steiner
            Kent Steiner uses TwilioTwilio

            Twilio is a service I have experimented with, and given a project with SMS requirements I would choose Twilio to support that.

            Avatar of William Baker
            William Baker uses TwilioTwilio

            For my own phone forwarding system, SMS messaging, and will gladly build such systems for clients.

            Avatar of atandy
            atandy uses TwilioTwilio

            I set up text-message alerts to be sent to me when an error was raised on the web application.

            Avatar of Zachary Melacncon
            Zachary Melacncon uses TwilioTwilio

            Used with BlueMix NodeRed to build an application that sends a text when it's about to rain.

            Avatar of Harba
            Harba uses NexmoNexmo

            SMS sending for harbour masters and sailors.

            How much does Nexmo cost?
            How much does Tropo cost?
            How much does Twilio cost?