# Telnyx

> Telnyx is an Austin-based global communications and AI infrastructure company. A licensed carrier operating its own private IP network, it sells programmable voice, messaging, phone numbers, wireless connectivity, storage and inference through APIs and a customer portal. Its voice AI strategy combines telephony, speech processing, model serving and orchestration on the same platform.

- **Founded:** 2009
- **Headquarters:** Austin, United States
- **Founders:** David Casem (Co-founder and CEO), Ian Reither (Co-founder and COO)
- **Products:** Voice API, Mission Control Portal and APIs, SMS API, SIP Trunking, Voice AI Agents
- **Notable:** Evolved from a 2009 call center consultancy into a licensed telecommunications carrier., Graduated from Techstars Chicago in 2014 and closed approximately $2.1 million in seed financing that year., Launched Mission Control and REST APIs in 2016, Programmable SMS in 2018 and Call Control in 2019.

## Products & services

- **Voice API** — Programmable calling, call routing, recording and media control for applications.
- **Mission Control Portal and APIs** — Configure and monitor communications through a web portal and REST APIs.
- **SMS API** — Programmable business text messaging; associated carrier and registration requirements apply.
- **SIP Trunking** — Connect business phone systems to the public telephone network using SIP.
- **Voice AI Agents** — Voice orchestration, speech recognition, speech synthesis, tools and human handoffs.
- **Global Numbers** — Provision and manage local and toll-free telephone numbers across supported markets.
- **IoT SIM and eSIM** — Cellular connectivity and SIM management for connected devices.
- **Inference API** — Serverless and dedicated model serving on Telnyx GPU infrastructure.
- **Cloud Storage** — S3-compatible distributed object storage for application data and AI workflows.
- **Programmable Networking** — Private connectivity, virtual cross-connects and cloud VPN services.

## Achievements

- Evolved from a 2009 call center consultancy into a licensed telecommunications carrier.
- Graduated from Techstars Chicago in 2014 and closed approximately $2.1 million in seed financing that year.
- Launched Mission Control and REST APIs in 2016, Programmable SMS in 2018 and Call Control in 2019.
- Current website reports 14,000+ companies using Telnyx; this is a company-reported figure.
- Reinvent Telecom reports its first MyCloud AI Receptionist order on launch day.

## Latest updates

- **2026-08** — Published customer stories on Helia’s production PBX integration and Reinvent Telecom’s MyCloud AI Receptionist.
- **2026-06** — Published a YouTube demonstration of building an inbound AI voice assistant with Codex.
- **2025-04** — Announced FCC support for reinstatement as an Industry Traceback Group supporting partner; the announcement did not state that the proposed penalty was finally resolved.
- **2025-02** — FCC proposed a $4,492,500 penalty relating to illegal calls on the network. Telnyx denied the allegations and contested the proposal.

## Links

- Website: https://telnyx.com/
- LinkedIn: https://www.linkedin.com/company/telnyx
- Twitter/X: https://x.com/telnyx
- GitHub: https://github.com/team-telnyx
- YouTube: https://www.youtube.com/@Telnyx
- Facebook: https://www.facebook.com/Telnyx/

---

Profile page: https://yespress.io/telnyx
Published by YesPress — https://yespress.io
Last updated: 2026-10-26