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Evidence sheet Focus
Communication APIs
Communication APIs
Product
Agora provides real-time voice and video communication APIs used by developers to build interactive live streaming, video calling, and messaging features into applications.
Stream provides APIs for building scalable chat messaging and activity feeds in applications, powering real-time communication for millions of end users.
Headquarters
Santa Clara, California
Amsterdam, Netherlands
Company size
201-500 employees
51-200 employees
Free options
Free plan, Free trial
Source updated
Nov 2, 2026
Nov 2, 2026
Capabilities
Plan capabilities
Integrations
Buyer fit
Best for
Company size
Security and switching
Security reviews
Security and migration
Case studies and sources
Case studies
Customer evidence
Open the full comparison Plan limits, integrations, security reviews and case studies for every product you compare.
Communication APIs Product Category Price Offer
Agora Agora provides real-time voice and video communication APIs used by developers to build interac… Communication APIs In comparison Twilio Twilio is a cloud communications platform that provides APIs for SMS, voice, video, email, and… Communication APIs Usage-based Usage-based Vonage Vonage, an Ericsson company, provides cloud communications APIs and unified communications solu… Communication APIs Smore Newsletters Digital newsletter platform for K-12 educators with templates, analytics, and translation. Communication APIs $8+ / month $8+ / month Socket.IO Library enabling real-time bidirectional event-based communication between browser clients and… Communication APIs Free Free Nylas Email, calendar, and contacts API platform for embedding communication features into applicatio… Communication APIs $5+ / month $5+ / month Daily Daily is a WebRTC-based video and audio API platform for developers building real-time communic… Communication APIs Usage-based Usage-based Telnyx Real-time communications API platform for voice, messaging, video, wireless, and AI application… Communication APIs Usage-based Usage-based Plivo Plivo provides cloud voice and messaging APIs for building IVR, call center, and communications… Communication APIs Nexmo Communications APIs platform from Vonage for voice, messaging, and verify Communication APIs Stream Stream provides APIs for building scalable chat messaging and activity feeds in applications, p… Communication APIs In comparison ClickSend Multi-channel communication platform offering SMS, MMS, email, voice, fax, and direct mail APIs… Communication APIs Agora alternatives Stream alternatives 
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