Build voice applications with Telnyx Voice AI - IVR menus, call recording, conferencing, WebRTC, and AI-powered call routing.

| Example | Language | Description | |---------|----------|-------------| | ai-assistant-client-side-tools-nextjs | Node.js | Build a browser-based Next.js dashboard where a Telnyx AI Assistant invokes client-side JavaScript tools to navigate the UI, change theme, open a modal, and update React form state. | | ai-assistant-multiparticipant-calling-nodejs | Node.js | Build a Telnyx Voice AI assistant that answers an inbound call, uses a backend tool to dial a second participant, and joins them into the same live AI conversation with ai_assistant_join. | | ai-call-campaign-orchestrator | Python | Durable outbound call campaign with rate limiting, SQL tracking, and SMS summary using Telnyx Agent SDK, Call Control, and SMS. | | ai-powered-call-router | Typescript | Route inbound calls by analyzing caller intent with the Telnyx AI Inference binding and a Telnyx KV route table. One StatefulActor per call leg; zero-credential LLM classification + global KV lookup on the Edge Runtime. | | branded-caller-id-manager-python | Python | Branded Caller ID Manager - register, manage, and verify branded calling profiles with STIR/SHAKEN attestation for higher answer rates. | | build-conference-calling-go | Go | --- | | build-conference-calling-nodejs | Node.js | --- | | build-conference-calling-php | PHP | --- | | build-conference-calling-python | Python | Create multi-party conference calls. | | build-conference-calling-ruby | Ruby | --- | | build-conversational-workflow-nodejs | Node.js | Build a Telnyx Conversational Workflow for inbound auto insurance claim intake with structured branches, backend tools, and priority follow-up. | | build-ivr-phone-menu-csharp | C# | --- | | build-ivr-phone-menu-go | Go | --- | | build-ivr-phone-menu-nodejs | Node.js | Production-ready IVR system using the Telnyx Voice API and Express.js. Answers inbound calls, plays a menu via TTS, collects DTMF input, and routes callers to sales or support. | | build-ivr-phone-menu-php | PHP | --- | | build-ivr-phone-menu-python | Python | Build an interactive voice response menu with DTMF input. | | build-ivr-phone-menu-ruby | Ruby | --- | | bulk-number-validation-cleaner-python | Python | Bulk Number Validation & Cleaner - validate and clean phone number lists via Telnyx Number Lookup API. | | call-analytics-dashboard-api-python | Python | Pull call detail records from the Telnyx API and expose call usage analytics through a dashboard API. | | call-compliance-go | Go | --- | | call-compliance-python | Python | --- | | call-compliance-ruby | Ruby | --- | | call-forwarding-csharp | C# | --- | | call-forwarding-go | Go | --- | | call-forwarding-java | Java | --- | | call-forwarding-nodejs | Node.js | --- | | call-forwarding-php | PHP | --- | | call-forwarding-python | Python | Forward incoming calls to another destination. | | call-forwarding-ruby | Ruby | --- | | call-queue-with-hold-music-python | Python | Call Queue with Hold Music - queue callers with position announcements and hold music, route to agents. | | call-sentiment-live-escalation-python | Python | Call Sentiment Live Escalation - monitor call transcripts in real-time. When negative sentiment or distress is detected, auto-escalate to a supervisor. | | call-whisper-monitoring-csharp | C# | --- | | call-whisper-monitoring-go | Go | --- | | call-whisper-monitoring-java | Java | --- | | call-whisper-monitoring-nodejs | Node.js | --- | | call-whisper-monitoring-php | PHP | --- | | call-whisper-monitoring-python | Python | Monitor calls with whisper prompts for agents. | | call-whisper-monitoring-ruby | Ruby | --- | | call-whisper-screen-pop-python | Python | Call Whisper & Screen Pop - whisper caller info to agent before connecting the call. | | cloud-storage-call-archive-python | Python | Cloud Storage Call Archive - archive call recordings to Telnyx Cloud Storage (S3-compatible) with searchable metadata. | | cnam-caller-id-lookup-enrichment-python | Python | CNAM Caller ID Lookup Enrichment - look up CNAM for inbound callers, enrich CRM records with caller identity. | | commercial-voiceover-generator-python | Python | Provide product name, target audience, and tone. AI writes 3 script variations with timing marks, TTS renders each in multiple voices, delivers top picks via SMS for client approval. | | conference-agent-mediator | Typescript | An AI meeting facilitator on Telnyx Edge that joins conference calls, transcribes participants in real time, mediates turn-taking, and sends post-call summaries via SMS. | | conference-live-poll-dtmf-python | Python | Conference Live Poll via DTMF - host asks a question, all conference participants vote by pressing 1-4, results tallied instantly. | | conversation-relay-voice-bot-python | Python | Forward live phone calls to any existing text-in/text-out AI chatbot using Telnyx Conversation Relay — no changes to the bot. | | deepfake-voice-detector-python | Python | Real-time synthetic speech detection on live phone calls. Captures audio via media streaming, extracts acoustic features, scores deepfake probability with AI Inference, alerts security team via Slack. | | edge-ai-assistant-backend-go | Go | Use a Telnyx Edge Compute function as the backend for AI Assistant dynamic variables and webhook tool calls — no separate server required. | | edge-call-transcription-agent | Node.js | Live call transcription agent on Telnyx Edge Compute + Agent SDK — answers an inbound call, streams STT into durable agent state, and on hangup summarizes the transcript via LLM, persists it to actor-local SQL, and texts the summary via SMS. Zero-credential inference and messaging via the [telnyx] binding. | | edge-compliance-monitor-python | Python | Real-time compliance checking for regulated call centers using Telnyx Voice, AI Inference, and Edge Compute. | | edge-customer-agent-typescript | Node.js | A durable Entity Agent on Telnyx Edge Compute. One actor per customer phone number, surviving across days, calls, SMS messages, and actor evictions. The AI Assistant is the reasoning harness inside; the agent owns the durable state. | | edge-fraud-firewall-python | Python | Screen every inbound call at the edge with Telnyx Voice, Number Lookup, and AI Inference. | | edge-geo-smart-router-python | Python | Route calls by geography at the edge using Telnyx Voice, AI Inference, and Edge Compute. | | edge-ivr-ab-tester-python | Python | A/B test different IVR flows at the edge. | | edge-merge-ai-receptionist-python | Python | Edge worker answers every call using Telnyx Voice, AI Inference, and Edge Compute with Merge HRIS. | | edge-merge-reference-checker-python | Python | Automate reference checks when an ATS application advances using Telnyx Voice and AI Inference with Merge ATS. | | edge-merge-shift-coverage-python | Python | Manager texts need a closer tonight using Telnyx Messaging and Edge Compute with Merge HRIS. | | edge-number-masking-python | Python | Marketplace-style proxy number pool at the edge. | | edge-voice-agent-holds-call | Node.js | Voice agent on Telnyx Edge Compute + Agent SDK — answers an inbound call and runs an STT → LLM → TTS conversation loop, all in the same PoP. Zero-credential inference via the [telnyx] binding. | | edge-voicemail-to-action-python | Python | AI-powered voicemail triage at the edge. | | edge-webhook-aggregator-python | Python | Multi-tenant webhook consolidation at the edge. | | fax-to-structured-data-pipeline-python | Python | Fax-to-Structured-Data Pipeline - receive faxes, AI extracts structured data (invoices, orders, prescriptions) into JSON. | | geo-distributed-call-logger | Node.js | --- | | hold-music-csharp | C# | --- | | hold-music-go | Go | --- | | hold-music-java | Java | --- | | hold-music-nodejs | Node.js | --- | | hold-music-php | PHP | --- | | hold-music-python | Python | --- | | hold-music-ruby | Ruby | --- | | hotel-guest-services-python | Python | Inbound voice and SMS guest services for hotels. Voice calls are handled by a Telnyx AI Assistant, while SMS requests are categorized and tracked by the Flask app. | | kv-backed-rate-limiter | Node.js | --- | | live-podcast-call-in-python | Python | Hosts on a conference call, listeners call in. AI screens callers via STT, queues approved ones, generates real-time fact-checks for the host, TTS announces topics. | | make-outbound-phone-call-csharp | C# | Place an outbound phone call with the Telnyx Call Control API using C# and ASP.NET. | | make-outbound-phone-call-go | Go | --- | | make-outbound-phone-call-java | Java | Place an outbound phone call with the Telnyx Call Control API using Java. | | make-outbound-phone-call-nodejs | Node.js | Initiate an outbound phone call using the Telnyx Call Control API. Exposes an Express endpoint that dials a number and returns the call control ID. | | make-outbound-phone-call-php | PHP | Place an outbound phone call with the Telnyx Call Control API using PHP. | | make-outbound-phone-call-python | Python | Programmatically place an outbound phone call using Telnyx Call Control and handle the call lifecycle. | | make-outbound-phone-call-ruby | Ruby | Place an outbound phone call using the Telnyx Call Control API and the Telnyx Ruby SDK, exposed through a Sinatra endpoint. | | media-stream-voice-cloak-python | Python | Media Stream Voice Cloak - real-time voice modification via media streaming API. Apply pitch shift, echo, or anonymization. | | merge-deal-desk-alerts-python | Python | CRM webhook fires when a deal moves to negotiation, triggering Telnyx Voice and AI Inference alerts with Merge CRM. | | merge-employee-hotline-python | Python | Employees call and authenticate via caller ID using Telnyx Voice and AI Inference with Merge HRIS. | | merge-expense-by-phone-python | Python | Salesperson calls and dictates an expense using Telnyx Voice and AI Inference with Merge Accounting. | | merge-interview-pipeline-python | Python | ATS webhook fires when a new application arrives, triggering Telnyx Voice, AI Inference, and Messaging with Merge ATS. | | merge-invoice-collector-python | Python | Pulls overdue invoices from Merge Accounting and collects payments using Telnyx Voice, AI Inference, and Messaging. | | merge-pipeline-briefing-python | Python | Morning pipeline briefing delivered by Telnyx Voice and AI Inference with Merge CRM. | | merge-recruitment-hotline-python | Python | Job seekers call a recruitment hotline powered by Telnyx Voice, AI Inference, and Messaging with Merge ATS. | | merge-ticket-escalation-python | Python | Critical ticket fires a webhook from Merge Ticketing, escalating via Telnyx Voice and AI Inference. | | multi-number-identity-router-python | Python | Multi-Number Identity Router - route calls based on which number was dialed. Each number maps to a different business identity, greeting, and routing destination. | | multilingual-voiceover-kit-python | Python | Submit a script in one language, AI translates to multiple targets preserving tone and timing, TTS renders each language with native-sounding voices. Batch localization for 15 languages. | | number-lookup-fraud-screener-python | Python | Number Lookup Fraud Screener - screen inbound calls/messages for fraud indicators using number lookup before connecting. | | number-lookup-lead-enrichment-python | Python | Number Lookup Lead Enrichment - CNAM and carrier lookup to qualify and enrich sales leads. | | number-porting-status-tracker-python | Python | Number Porting Status Tracker - track porting orders with status webhooks and SMS alerts. | | number-reputation-monitor-auto-rotate-python | Python | Number Reputation Monitor - track outbound number reputation, auto-rotate flagged numbers. | | number-search-and-purchase-api-python | Python | Number Search and Purchase API - search, filter, and buy phone numbers programmatically. | | number-warmup-reputation-builder-python | Python | Number Warmup & Reputation Builder - gradually ramp SMS volume on new numbers to build carrier reputation and avoid spam flags. | | omni-channel-inbox-agent | Node.js | Build a Telnyx Edge Compute agent that runs a lab-results intake workflow across fax, voice, email, and SMS — one durable StatefulActor per patient with a human-in-the-loop inbox and live engagement analytics. | | omni-channel-lab-inbox-agent | Node.js | Lab-result fax intake with a human-in-the-loop inbox: fax received, operator reviews and accepts (fax deleted, only reference kept), AI drafts confirmation email, SMS appointment flow, and a voice agent that answers status questions without touching lab content. | | porting-loa-automation-python | Python | Porting LOA Automation - automate Letter of Authorization generation and porting order submission. | | porting-order-tracker-dashboard-python | Python | Submit, track, and manage number porting orders with SLA monitoring, timeline visualization, and bulk operations. | | real-time-call-intelligence-dashboard-python | Python | Real-Time Call Intelligence Dashboard - live transcription, sentiment analysis, and competitor detection. | | record-phone-calls-csharp | C# | --- | | record-phone-calls-go | Go | --- | | record-phone-calls-java | Java | --- | | record-phone-calls-nodejs | Node.js | Initiate outbound calls and control call recording using the Telnyx Voice API with Express. Handles call lifecycle webhooks and recording start/stop. | | record-phone-calls-php | PHP | --- | | record-phone-calls-python | Python | Record calls and receive recording webhooks. | | record-phone-calls-ruby | Ruby | --- | | route-phone-calls-to-ai-agent-csharp | C# | --- | | route-phone-calls-to-ai-agent-go | Go | Receive inbound call webhooks from the Telnyx Voice API and answer calls programmatically with a Go + Gin server. | | route-phone-calls-to-ai-agent-java | Java | --- | | route-phone-calls-to-ai-agent-nodejs | Node.js | Receive inbound call webhooks from the Telnyx Voice API and answer calls programmatically with an Express server using Call Control. | | route-phone-calls-to-ai-agent-php | PHP | --- | | route-phone-calls-to-ai-agent-python | Python | Handle inbound calls with webhook-driven AI routing. | | route-phone-calls-to-ai-agent-ruby | Ruby | Handle inbound calls with webhook-driven AI routing using Ruby and Sinatra. | | smart-number-geo-assignment-python | Python | Smart Number Geo-Assignment - automatically purchase and assign local numbers based on caller geography to maximize answer rates. | | telnyx-voice-api-agents-nodejs | Node.js | Start one reusable Telnyx AI Assistant on Telnyx Voice API calls with runtime business instructions selected by the called phone number. | | texml-dynamic-call-router-python | Python | TeXML Dynamic Call Router - time-of-day and caller-based routing with TeXML responses. | | text-to-speech-phone-call-csharp | C# | --- | | text-to-speech-phone-call-go | Go | --- | | text-to-speech-phone-call-java | Java | --- | | text-to-speech-phone-call-nodejs | Node.js | Initiate an outbound voice call and play a text-to-speech message on answer using the Telnyx Call Control API. | | text-to-speech-phone-call-php | PHP | --- | | text-to-speech-phone-call-python | Python | Play text-to-speech audio during a phone call. | | text-to-speech-phone-call-ruby | Ruby | --- | | transfer-live-phone-calls-csharp | C# | --- | | transfer-live-phone-calls-go | Go | --- | | transfer-live-phone-calls-java | Java | --- | | transfer-live-phone-calls-nodejs | Node.js | --- | | transfer-live-phone-calls-php | PHP | --- | | transfer-live-phone-calls-python | Python | Transfer active calls to another number or agent. | | transfer-live-phone-calls-ruby | Ruby | --- | | video-voiceover-replacement-python | Python | Upload audio with existing voice-over. STT extracts the script, AI rewrites/improves it (5 modes: polish, professional, simplify, energize, shorten), TTS re-records with studio quality. | | video-webinar-recording-manager-python | Python | Video Webinar Recording Manager - manage video room webinars with automatic recording, transcription, and clip extraction. | | voice-call-analytics-go | Go | --- | | voice-call-analytics-nodejs | Node.js | --- | | voice-call-analytics-php | PHP | --- | | voice-call-analytics-python | Python | --- | | voice-call-analytics-ruby | Ruby | --- | | voice-ivr-with-agent-backend | Python | A natural language IVR system where the Telnyx Agent handles backend logic and an LLM powers dynamic menu options. | | voice-to-slack-bridge-python | Python | Voice-to-Slack Bridge - call a phone number, speak a message, AI transcribes and posts to Slack with urgency tagging. | | voice-verified-identity-2fa-python | Python | Voice-Verified Identity + 2FA - Number Lookup, SMS OTP, and AI-assisted secure transactions. | | voicemail-csharp | C# | --- | | voicemail-go | Go | --- | | voicemail-java | Java | --- | | voicemail-nodejs | Node.js | --- | | voicemail-php | PHP | --- | | voicemail-python | Python | --- | | voicemail-ruby | Ruby | --- | | voicemail-to-sms-agent | Node.js | An Edge-based agent that transcribes, summarizes, and texts voicemail summaries to the mailbox owner. | | voiceover-audition-generator-python | Python | Submit a script, hear it read by every available TTS voice. AI scores and ranks best-fit voices based on content, tone, and audience. SMS delivers top picks to decision-makers. | | warm-transfer-csharp | C# | --- | | warm-transfer-go | Go | --- | | warm-transfer-java | Java | --- | | warm-transfer-nodejs | Node.js | --- | | warm-transfer-php | PHP | --- | | warm-transfer-python | Python | --- | | warm-transfer-ruby | Ruby | --- | | webrtc-browser-calling-python | Python | Enable browser-based calling with WebRTC. | | wireguard-private-voice-network-python | Python | WireGuard Private Voice Network - create WireGuard mesh network for private SIP trunking with encrypted voice traffic. |

Send and receive text messages with the Telnyx SMS API - build autoresponders, implement 2FA, and manage bulk messaging campaigns.

| Example | Language | Description | |---------|----------|-------------| | abandoned-cart-recovery-python | Python | SMS 1h after abandon with incentive, AI voice call 24h later if no purchase. Integrates with Shopify webhooks and Stripe for discount codes. | | accounting-tax-season-line-python | Python | Handles scheduling, document checklist reminders, status updates. AI texts clients with missing doc reminders. CPA reviews readiness before appointments. | | after-hours-nurse-triage-python | Python | AI screens symptoms using clinical decision tree, routes urgent to on-call nurse via PagerDuty, queues non-urgent for AM callback. Nurse reviews and overrides AI severity scores. | | agent-sms-triage-bot | Node.js | SMS triage bot on Telnyx Edge Compute + Agent SDK — classifies inbound customer SMS by topic (billing/support/sales) via LLM and routes to the right queue using a durable route table. Zero-credential SMS and inference. | | ai-appointment-booking-sms-flow-python | Python | AI Appointment Booking SMS Flow - guided SMS booking with available slot selection. | | ai-appointment-reminder-sms-voice-python | Python | AI Appointment Reminder - SMS first, voice call for non-responders, AI handles rescheduling. | | ai-email-agent-python | Python | AI Email Agent — autonomous inbound email reply bot on the Telnyx Email API. A customer emails in, the AI drafts a reply, the Email API sends it back. One platform, one API key, one agent. | | alphanumeric-sender-id-sms-python | Python | Send SMS messages with a branded alphanumeric sender ID using the Telnyx Messaging API. Validates sender IDs and enforces regional restrictions. | | audio-transcribe-summarize-sms | Node.js | Upload a voicemail audio file → transcribe via STT → summarize with LLM → text the summary via SMS. Agent SDK pipeline on Telnyx Edge Compute with zero-credential inference and messaging. | | autonomous-outbound-sales-agent-python | Python | Autonomous Outbound Sales Agent - AI-driven lead qualification, objection handling, and meeting booking. | | billing-anomaly-detector-python | Python | Billing Anomaly Detector - monitor usage and billing for anomalies, alert on cost spikes and unusual patterns. | | cdr-usage-analytics-dashboard-python | Python | Pull Call Detail Records, build usage analytics with cost breakdowns, peak-hour analysis, and AI-powered insights. | | cloud-storage-media-cdn-python | Python | Cloud Storage Media CDN - use Telnyx Cloud Storage (S3-compatible) as a CDN for IVR prompts, hold music, and voice assets. | | e911-address-validator-python | Python | Validate and register emergency (E911) addresses for phone numbers via the Telnyx API. | | ecommerce-order-status-bot-python | Python | Customers call or text order number, get real-time Shopify tracking. AI detects delivery exceptions and proactively texts customers before they call support. | | edge-agri-crop-advisory | Node.js | Agriculture crop advisory on Telnyx Edge Compute Stateful Actors — classify crop issues (disease, pest, nutrient, water, weather) and recommend treatment via AI Inference. Escalates critical cases. | | edge-cache-invalidation-agent | Node.js | --- | | edge-compute-webhook-proxy-python | Python | Receive Telnyx voice and SMS webhooks at the edge with minimal latency. Validates, enriches with timestamps, HMAC-signs, and forwards to your backend. | | edge-mcp-server-deploy-python | Python | Deploy an MCP server to Telnyx Edge Compute exposing Telnyx APIs as tools for AI agents. Send SMS, search numbers, run inference. | | edge-prompt-ab-tester | Node.js | Prompt A/B tester on Telnyx Edge Compute Stateful Actors — run two prompt variants against the same task, collect user votes, and track which prompt wins. | | edge-url-summarizer | Node.js | URL summarizer on Telnyx Edge Compute Stateful Actors — fetch a URL, summarize via AI Inference, cache the result for instant repeat requests. | | elearning-course-narrator-python | Python | Upload course content, AI structures into audio modules with pacing cues and quiz prompts, TTS narrates each module, stores in Cloud Storage with a JSON manifest. | | emergency-mass-notification-system-python | Python | Emergency Mass Notification System - SMS + voice calls with delivery tracking and escalation. | | fraud-alert-verification-python | Python | Suspicious transaction triggers voice call to customer, verifies via DTMF, blocks or approves in real-time. Fraud team reviews edge cases via Slack. | | global-lead-response-engine-python | Python | Global Lead Response Engine - multi-language AI qualification with live transfer and omnichannel follow-up. | | hosted-messaging-campaign-manager-python | Python | Hosted Messaging Campaign Manager - manage hosted messaging campaigns with subscriber opt-in/out tracking and delivery analytics. | | interview-screen-scheduler-python | Python | Candidate applies, AI calls for 5-min phone screen, scores answers, books qualified candidates on hiring manager's calendar. Integrates with Greenhouse ATS and Google Calendar. | | isv-notification-engine-python | Python | SaaS platform sends alerts via SMS/voice/WhatsApp based on customer preference and urgency. Multi-channel with fallback cascade and delivery tracking. | | ivr-prompt-generator-python | Python | Generate professional IVR/phone system prompts. AI writes caller-friendly scripts from business descriptions, TTS renders in multiple voices, test via live Telnyx call playback. | | law-firm-client-intake-python | Python | AI answers after-hours calls, screens case type, collects facts, runs conflict check, books consultation via Calendly, collects retainer deposit via Stripe. | | long-code-sms-python | Python | Send A2P SMS over a long code with a rate-limited queue, delivery tracking, and signed inbound webhooks using the Telnyx Messaging API. | | marketplace-comms-bridge-python | Python | Buyer texts about a listing, AI responds with details, facilitates anonymous buyer-seller connection via masked numbers, handles scheduling. Ops reviews flagged conversations. | | media-stream-custom-audio-mixer-python | Python | Media Stream Custom Audio Mixer - mix custom audio into live calls via WebSocket-based media streaming. | | media-stream-live-transcription-python | Python | Media Stream Live Transcription - fork call audio to WebSocket for real-time transcription display. | | merge-employee-onboarding-python | Python | New employee webhook from Merge HRIS triggers full provisioning: Telnyx phone number, AI voicemail greeting, welcome SMS with IT setup instructions, and IT ticket via Merge Ticketing. | | messaging-campaign-ab-test-optimizer-python | Python | Messaging Campaign A/B Test Optimizer - test SMS copy variants, AI picks winners, auto-scales. | | migrate-from-elevenlabs-python | Python | Migrate from ElevenLabs - import ElevenLabs voice configurations to Telnyx TTS with voice mapping and cost comparison. | | migrate-from-twilio-python | Python | Migrate from Twilio - complete Twilio-to-Telnyx migration tool: numbers, messaging profiles, voice apps, and webhook configs. | | migrate-from-vapi-python | Python | Migrate from Vapi - import Vapi voice agents to Telnyx AI Assistants with voice, prompt, and tool configuration mapping. | | missions-workflow-orchestrator-python | Python | Missions Workflow Orchestrator - create and manage multi-step mission workflows using the Telnyx Missions API. | | mms-photo-inventory-tracker-python | Python | MMS Photo Inventory Tracker - text a photo of inventory items with MMS, AI identifies and catalogs them automatically. | | mms-receipt-scanner-expense-tracker-python