Integrate VOIP and Text SMS on your app using these services

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Vaibhav Bakshi
Vaibhav Bakshi
  • Answer written
  • 4 Years ago

For your on-demand app to succeed, it requires a combination of cutting edge technology, easily usable features and innovation packed into it. In the initial stages, it is recommended that you decide on the software integrations carefully based on your idea, which would place you ahead of other players and would also be an all-new offering in the market.

Read on to know more about how you can choose the best SMS and Voice API for your mobile app that will help you succeed in the on-demand market.

  • Factors that need to be taken into consideration before choosing an API
  • Stability: If the API works all the time without any issues.
  • Pricing: If the costs incurred in API is feasible and within the budget.
  • Verification: The method used by the API for verification, which can either be a voice call or by sending an OTP.
  • Fixed Number: If they are providing you with a dedicated number or not, which is entirely based on your preference.
  • Delivery Reports: Reports that indicate if the intended messages/broadcasts have reached the recipients or not.
  • Local Availability: If the API works without issues in your region/country of operation.
  • Complexity: The ease with which the API can be integrated into your app.

Ultimately, before integrating an API into your mobile app, you would have to take into consideration several factors based on your usage and requirements.

There are essentially several main parameters that must be considered:

  • Your SMS/Voice gateway must have global coverage. This is important because your customers are cross-border. With global commerce revving up year to year the chances are that your business in 5 years will be more international than your business today. Good coverage is key!
  • You need a gateway that has direct operator connections for SMS/Voice routing in key geographic regions because this ensures that your messages and voice calls get to the customer fast, can be easily read/heard, and any failures are kept very low;
  • You need a reliable 24/7 support in those cases where there are SMS/Voice delivery problems that need resolving. This is important because this impacts directly on your customers’ experience and your competitive position with the merchant;
  • You want an SMS/Voice API that is light and easy to integrate so that your time to market with it is the shortest, in order to save on the integration and the deployment costs, and get to revenues with it the fastest;
  • You want an SMS and Voice API supplier to ideally be the same company as this creates for your multiple efficiencies in terms of assessing the service, integrating, deploying, monitoring, resolving problems. 

Top SMS and Voice APIs

Cloud communications platforms allow developers to embed voice, messaging and video directly into software/web applications. Unlike a traditional infrastructure, communications are available without the burdens of capacity planning, carrier contracts, telecom hardware integration, and fragmented security. Here is the list of the best cloud communication APIs that you can choose from based on your requirements.

  1. Nexmo: Nexmo provides innovative communication APIs that bridge traditional voice and text services with cloud communications. Nexmo enables applications and enterprises to make phone calls or send and receive text messages with ease to improve user experiences, no matter where in the world the customers are located. Nexmo SMS API allows developers to integrate their applications with the Nexmo SMS services, enabling their users to send and receive messages through Nexmo directly from their applications. Nexmo provides customers a way to communicate with one another domestically and internationally.
  2. Sinch: Sinch, the newly spun out Rebtel company, has launched its SMS API globally, offering the ability for developers to add SMS integration to their app or website in 105 different countries across the globe. It is a cloud-based, mobile communications platform that makes adding Voice, Verification, Video, SMS, and IM into apps easy. Sinch removes the complexity of building and maintaining complex communications infrastructures, and handles the heavy lifting with a simple to integrate SDK that any developer can use. Like its competitors Twilio and Layer, Sinch offers the ability to add social features by just adding a few lines of code to the app or website via the API. And not just that, but Sinch users can also offer in-app calling to their developers through the new API.
  3. Plivo: Plivo is a Cloud API Platform and a Global Carrier Services Provider for Voice Calls and SMS. Their mission is to simplify global telecom and enable access to quality cloud communications at a low cost. They offer HTTP APIs that let users add Voice and SMS capabilities to any web or mobile app using many standard web languages. Great for two element auth and in addition content based showcasing to telephones, particularly in case you’re in a business sector without enormous information arranges. This numbers additionally can be situated in a few US states even nations around the globe. Easy mix with the code. Major companies using Plivo as a Twilio alternative include: Mozilla, Netflix, Homejoy, CallHub, Pagerduty.
  4. Twilio: Twilio provides business communications solution that enables phones, VoIP, and messaging to be embedded into the Web, desktop, and mobile software. The company provides a cloud application programming interface that developers can interact with to build intelligent and complex communications systems. It allows programmers to easily integrate various communication methods and to use existing web development skills, existing code, existing servers and more to solve communication problems quickly. Twilio provides a simple hosted API and markup language for businesses to quickly build scalable, reliable and advanced voice and SMS communications applications, and a telephony infrastructure web service “in the cloud”, enabling web programmers to integrate real-time phone calls into their applications. Twilio’s simple Pay-As-You-Go pricing model means customers pay for capacity only when they need it, not before. Voice applications are written on Twilio’s cloud solution scale transparently, eliminating programming, operational and contractual headaches frequently associated with rapid growth or traffic spikes. Twilio provides a cloud API for voice and SMS communications that leverages existing web development skills, resources, and infrastructure. It minimizes the learning curve required to build advanced, reliable voice communications applications that solve critical business needs. The syntax and programming model are focused on making application development as close to the request/response model of web application development as possible. The API uses a RESTful interface and responses are formatted in XML or CSV.


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