I chose Telnyx for their voice infrastructure while building an AI-powered phone system. From a technical standpoint, the platform itself seems strong, which makes this experience even more... See more
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Telnyx is a global connectivity platform delivering carrier-grade communications and advanced Voice AI on a private, cloud-agnostic IP network. Its Voice, Voice AI, Messaging, Numbering, Video, Wireless, Fax, and Identity solutions are powered by intuitive RESTful APIs and its award-winning Mission Control Portal. From AI-driven virtual agents and automated call workflows to feature-rich contact centers and in-app communications, Telnyx tackles real-time interaction needs at every scale—with 24/7 in-house engineering support. As an internationally licensed carrier, Telnyx provides secure, high-fidelity connectivity while democratizing access to next-generation voice automation and global communications. Telnyx Voice AI gives businesses the power to deploy natural, responsive, and cost-efficient voice automation at global scale. Built on top of Telnyx’s private IP network, our Voice AI stack delivers ultra-low latency audio streaming, real-time speech recognition, dynamic conversational logic, and lifelike text-to-speech—without the fragility of public internet routing. Whether you’re replacing IVRs, building AI agents for sales and support, or routing calls with intelligent self-service, Telnyx provides the tooling, reliability, and global carrier footprint needed for production-grade voice automation. Direct cloud integrations, flexible APIs, and 24/7 engineering support make it easy to launch, optimize, and scale AI-driven voice experiences anywhere. Telnyx’s Voice API powers crystal-clear calling and advanced call control for modern applications. Developers get granular programmability—from SIP trunking and number management to intelligent call routing, recording, conferencing, and real-time media streaming. Because it all runs on Telnyx’s private IP network, customers benefit from enterprise-level quality, security, and uptime without carrier complexity. Whether you’re building a feature-rich contact center, enabling in-app calling, or standing up global voice infrastructure, the Voice API gives you low-latency connectivity, transparent pricing, and the operational stability needed for mission-critical voice workloads. Telnyx SIMs provide secure, multi-carrier, global wireless connectivity designed for IoT, mobile applications, and enterprise mobility. With a single Telnyx SIM, devices automatically connect to the best available network in 180+ countries, backed by intelligent steering and real-time monitoring through the Mission Control Portal. Developers can activate, manage, and scale fleets with straightforward APIs—no carrier lock-in, no hidden fees. From eSIM provisioning and private LTE/5G roaming to failover-ready IoT deployments, Telnyx wireless solutions deliver predictable performance, transparent costs, and the hands-on engineering support needed to keep critical devices online anywhere in the world. Telnyx provides instant access to a worldwide inventory of local, national, mobile, and toll-free phone numbers—backed by our own international carrier licenses and private IP backbone. Customers can search, purchase, and configure numbers in seconds through intuitive APIs or the Mission Control Portal, with transparent pricing and no long-term contracts. Every number comes with built-in features like call routing, CNAM, emergency services support (where available), and advanced compliance tooling to simplify global deployments. Whether you’re expanding into new markets, powering high-volume contact centers, or supporting localized customer experiences, Telnyx delivers reliable, regulatory-compliant numbering in 140+ countries with 24/7 engineering expertise. Founded in 2009 with offices in Chicago, Dublin, Amsterdam, Warsaw, and São Paulo, Telnyx delivers mission-critical services to customers including Cisco, Philips, the Red Cross, and more.
600 Congress Avenue 14th Floor, 78701, Austin, United States
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I’ve had a very bad experience with Telnyx. The biggest issue is that they can suddenly suspend your account, leaving your business and services disrupted, without providing a clear or reasonable explanation.
If there are restrictions or eligibility requirements that may prevent you from using their services, these should be clearly communicated at the time of signup, rather than allowing customers to spend time setting everything up and then suspending the account later.
Honestly, if Telnyx cannot provide services to a customer, they should simply make that clear from the beginning instead of letting customers waste their time and resources.
Very disappointing experience. I would strongly recommend understanding their policies and account requirements carefully before relying on Telnyx for business-critical services.
The customer service is very good. I didn't have to wait for several hours to get my answers.
The telephony service is good. In one click you can purchase US, Canada DIDs and start using them
Telnyx Team is AHHHMAZING!!!! They are always going above and beyond helping you and in a timely manner! I absolutely love working with you All!
Best in class customer support.
Responsive, professional, quick.
Extremely dishonest pricing tactics. They advertise pay as you go, but by the time you can actually use a single phone number for outbound messages, you've already had to pay them 35+ dollars. These fees surface as you use the service, and are not known beforehand. It's not reasonable either, because you need double in your account compared to what is actually being used. Bad model for low volume sole proprietorship. Would not have chosen if I knew this beforehand.

Reply from Telnyx
I contacted Telnyx support with questions about our outbound concurrency limits, and their team responded almost immediately. They quickly approved my increase after a quick review of my account and use case. They also answered a couple of follow up questions. Great support and a very positive experience overall!
I arrived at Telnyx with a frustration that was borderline madness. I had been trying to find a service for my Quickdiary.co.uk service and Twilio were not hospitable to a young company like mine. After a lot of searching I stubled upon Telnyx and things just went smoothly. Even when I had a support query the support agent was supportive and helpful. I am genuinely thankful that I did stumble upon Telnyx because I'm now rolling out my services and happy to have the support of Telnyx in the background.
Telnyx has fantastic customer service. Their team responds quickly, provides clear and helpful support, and follows up to make sure you’re completely taken care of. It’s refreshing to work with a company that doesn’t just respond to an issue, but actually makes sure it gets resolved. I’ve been very impressed with the level of service and would highly recommend Telnyx.
Telnyx is anti-business and they have nothing but contempt for their customer base. I foolishly went with telnyx as they were priced lower but you really do get what you pay for. For the verification process I needed a response asap for an issue on their end, as this was affecting my customer relationships, they stated they usually get back within 24 hours, they did not even respond after two weeks, any responses I did receive after that were repetitive and seemingly auto-generated. I am convinced the entire site including their so called "customer service" is just ai chatbots and so they cannot offer any kind of bespoke solution. It is completely pointless to use a service provider that has decided to make it impossible to use even their basic service. At this point, they only serve as an advert for other providers. If you decide to go with them then good luck to you but I guarantee, you are going to get the same outcome.

Reply from Telnyx
Porting was easy and they provided appropriate updates during the porting process. Also buying and setting up routing for new numbers was equally painless. So far I'm liking the experience with Telnyx.
Absolutely horrible company, if you buy from them that's fine but they allow people to buy phone numbers that do not need to be in the area and the people that use those numbers start spam calling people. How do I know this? I keep blocking the same number over and over again and its coming from this company. If my review gets deleted for speaking the truth then you know I'm not lying. Going to screen cap my review after I post it and I'm going to set a remind to com back and check. Hope everyone knows that your company is in compliance will allowing spammers to get new numbers.

Reply from Telnyx
As soon as my call credit is used I am going to leave. It's like pulling teeth to get any customer service or support. Their AI tech support is somewhat helpful but often gives the wrong answers.

Reply from Telnyx
I had a great experience with telnyx support. What was even amazing is that it was from Day one . My account was live for only 2 days
I've done many integrations, and it seems good support is harder and harder to come by. Telnyx support has been very quick to respond, and very helpful.
Thought the company was different then all the others, but unfortunately they are not. Customer service takes more then 2 weeks to respond.
Here on Trustpilot they respond in 2 days, if they did that with their constumer service, I would still have been a customer.

Reply from Telnyx
I had an issue with my Google Authenticator app, and the authentication code for my Telnyx account disappeared, preventing me from logging in. I reached out to the support team, and they helped me regain access within 24 hours. They were fast, professional, and very helpful throughout the process. Thank you for the excellent support!
Communication is so important for IT in 2026 that you really can't avoid it, and Telnyx makes it really easy for our accounts to be verified and working, with clear, actionable lists, after that, all their documentation examples works, making it a breeze to get going, I went in production the day after my account was approved, which itself took maybe a day. This is two aspects I struggled with competitors while Telnyx never left me wondering what I was supposed to do to integrate their services, most competitors make this a complete hassle.
They will ignore your support requests for a month and stop responding to messages. If they would at least respond to me, I would give them 2 stars. Not sure how a company can possibly operate like this and not be bankrupt within a year.

Reply from Telnyx
Our experience with Telnyx has always been great. Every time we’ve needed something, the support team has been quick to answer and resolve all of our requests.
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