The Best Google+ Hangouts API Alternatives for Robust Communication
The Google+ Hangouts API provided a powerful programming interface for integrating video calls into applications, offering functionalities like participant listing, data sharing, and control over audio/video settings. However, with the deprecation of Google+ and the evolution of communication platforms, many developers and businesses are seeking robust and reliable Google+ Hangouts API alternative solutions. This article explores the top alternatives that offer similar, and often enhanced, capabilities for building interactive voice and video applications.
Top Google+ Hangouts API Alternatives
If you're looking to build or migrate your communication functionalities, these alternatives offer a range of features from comprehensive APIs to ready-to-use SDKs, catering to diverse development needs.

Twilio
Twilio is a widely recognized web-service API that allows developers to build voice and SMS applications using existing web languages. As a Freemium, Web-based platform, it stands out as an excellent Google+ Hangouts API alternative due to its extensive API Integration, Built-in authentication, IVR, SMS API, Video chat, and Voice Call/Voice chat capabilities. It provides a flexible and powerful framework for custom communication solutions.

Plivo
Plivo is a Commercial, Web-based voice and SMS API platform designed for developers to build powerful communication apps. It offers features like comprehensive APIs, Developer Tools, SMS API, and Voice chat, making it a strong contender as a Google+ Hangouts API alternative. Its focus on developer-friendliness and responsive support provides a reliable environment for integrated communication.

OpenTok
OpenTok, powered by TokBox, makes it simple to integrate video chat into web or mobile applications using its OpenTok API or Widgets, supporting WebRTC. Available on Freemium, Web, Android, iPhone, Android Tablet, and iPad platforms, it’s an ideal Google+ Hangouts API alternative for video-centric applications, offering APIs, Developer Tools, Video chat, Video Conferencing, and Web Development features.

Blitzz
Blitzz is a Commercial, multi-platform video-powered enterprise field service platform available on Mac, Windows, Linux, Web, Android, iPhone, Chrome OS, Android Tablet, and iPad. While more focused on field service, its strong video calling capabilities, Customer service, Customer support, Live Chat, and Remote Support make it a viable Google+ Hangouts API alternative for businesses needing visual assistance and collaboration features.

SightCall
SightCall provides comprehensive real-time video APIs and Mobile SDKs for embedding video calling and video conferencing into any application. As a Commercial platform supporting Mac, Windows, Android, iPhone, Chrome OS, Android Tablet, iPad, and PhoneGap, it’s a powerful Google+ Hangouts API alternative for features like API integration, Customer service, Real time collaboration, Telehealth, Video calling, Video chat, Video Conferencing, and WebRTC.

Swift SMS Gateway
Swift SMS Gateway acts as a bridge between the Internet and SMS text messaging. This Commercial, Web-based solution focuses specifically on SMS communication, offering API, SMS API, and SMS Messaging features. While not a direct video alternative, it serves as an excellent Google+ Hangouts API alternative for projects primarily needing reliable and scalable SMS capabilities.

Aculab Cloud
Aculab Cloud provides a Commercial, Web-based platform for creating automated telephony applications, handling all telephony resources in the cloud. With its strong API and Voice Call features, it's a solid Google+ Hangouts API alternative for developers focusing on voice-centric applications, IVR systems, and other automated call services.

addlive
AddLive leverages WebRTC to easily integrate video and voice conferencing into applications. As a Commercial, Web-based solution, it serves as a robust Google+ Hangouts API alternative, offering API, Developer Tools, Video chat, Video Conferencing, Voice chat, and WebRTC features, ideal for real-time communication needs.

SMSAPI
SMSAPI.com is a Commercial, Windows-based browser platform for bulk SMS and other SMS marketing solutions. It provides a dedicated SMS API and SMS gateway, making it a specialized Google+ Hangouts API alternative for businesses focused on mass SMS messaging, notifications, and marketing campaigns.

Bandwidth
Bandwidth offers a Commercial, Web-based Communications API Platform that simplifies adding texting or calling to any application via HTTP API. It's a comprehensive Google+ Hangouts API alternative with features like API, Developer Tools, Marketing automation, Phone calls, SIP, SMS API, SMS from PC, SMS gateway, SMS Messaging, SMS Reminders, Transactional SMS, Twilio integration, Voice chat, Web Development, and WebRTC, providing a versatile solution for various communication needs.
Choosing the right Google+ Hangouts API alternative depends on your specific project requirements, whether it's primarily voice, video, SMS, or a combination. Each of these platforms offers unique strengths, from robust API functionalities to dedicated developer tools, enabling you to build powerful and scalable communication solutions for your application.