Telnyx

Telnyx LLC is a carrier-owned global communications platform offering Voice AI agents, SIP trunking, programmable voice, SMS/MMS, AI inference, and related APIs and services including Voice API, Speech-to-Text API, Text-to-Speech API, SMS API, WhatsApp Business API, Global Numbers, and IoT SIM Card/data plans. Built as an agent-native, full-stack platform that owns the full stack from carrier network to AI inference, Telnyx operates a bare-metal global communications fabric with co-located edge PoPs and GPUs, a single programmable control plane for inference, voice AI, and global communications, programmatic identity & compliance, real-time compute and AI-native orchestration, enterprise security and compliance (ISO 27701:2019, GDPR, HIPAA, PCI, AICPA SOC 2 / SOC2 Type II), supports 100+ languages, delivers voice AI end-to-end latency under 500 milliseconds, covers numbering and voice resources in 140+ countries, and serves 14,000+ industry-leading companies including OpenAI, IBM, Cisco, Talkdesk, American Red Cross, Zillow, and Microsoft.

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• Send and Verify SMS One-Time Passcodes in Node.js with Telnyx
• Java Code to Start an Outbound Call With a Specific Caller ID
• Transcribe a Live Phone Call in Node.js with Telnyx
• Make an Outbound Ruby Call and Collect Keypad Digits
• Generate a Short-Lived Video Room Access Token in Python
• Send a Picture Message with Text in Node.js: Use the Telnyx MMS API
• Send an SMS With a Shortened Tracking Link in Node.js
• Answer an Inbound Call and Stream Live Audio with Node.js
• Place an Outbound PHP Call and Speak a Dynamic Text-to-Speech Message
• Add Screen Sharing to an Existing WebRTC Video Call with JavaScript
• Send Two-Way SMS in Python and Track Every Reply by Conversation Thread
• Hand Off an AI Voice Call to a Live Agent with Node.js
• Answer, Record, and Store Inbound Calls with Python and Telnyx
• Answer an Inbound Call and Play a Greeting with a Node.js Webhook
• Send a Bulk SMS Campaign to a Phone List with cURL
• Schedule a Batch of Outbound Calls in Python with a Short Delay
• Give Your AI Voice Agent Memory During Every Phone Call
• Start a Browser Video Call with JavaScript WebRTC
• Send a WhatsApp Image With a Caption in PHP Using Telnyx
• Build a Real-Time Python Voice Agent That Answers Callers Out Loud
• Python: make a call, wait for answer, and join an existing conference
• Python Menu Code for Sales and Support Call Routing