IoT SIM Cards

Secure global connectivity for your IoT devices—simplified. Telnyx IoT SIM Cards offer flexible data coverage in 180+ countries and an API to manage and configure SIMs over the air.

SIM Card
Customer Logo Philips
Customer Logo Colectivo
Customer Logo Valor Paytech
Customer Logo Cisco
SIM Card

Bring smart devices online, from anywhere

As the name implies, Internet of Things (IoT) systems hinge on safe, stable internet connections. As such, IoT businesses are shifting device connectivity away from old-age WiFi and ethernet connections in favor of cellular data via IoT SIM cards.


Connect your devices on your terms

Construct and deploy a device connectivity system that suits your needs and scales with you, via one global SIM card, an intuitive management portal and flexible APIs.

  • Checkmark

    Multi-carrier SIM

    Use one SIM card to connect your devices to over 400 LTE, 3G, 2G and LTE-M networks in over 180 countries—including all 4 major incumbents in the U.S.

  • Checkmark

    Intelligent network switching

    Configure eUICC SIMs to automatically select the best available network, or pin them to a network of your choice.

  • Checkmark

    Pay-as-you-go pricing

    Only pay for the data you use, with plans starting at $0.01 / MB.

  • Checkmark

    Data limits & alerts

    Set custom thresholds for alerts & limits across one SIM card or a group of SIM cards.

  • Checkmark

    Private LTE networks

    Connect devices directly to your corporate network with Private Wireless Gateways to avoid the dangers and inefficiencies of the public internet.

  • Checkmark

    Advanced reporting

    Export bespoke reports with in-depth usage data, network registrations, device locations and more.


Wherever you need to go

No more managing local carriers and complex roaming agreements. Telnyx IoT SIM cards have global intelligent roaming on tier-1 networks.


countries with multiple carrier options

We've got you covered

Localize your connectivity today


LTE, 3G, 2G & LTE-M networks

With a single SIM

No SIM swapping, no data roaming.


EUICC Sim Card

How It Works

Start building

Our code is your code.

curl -X PATCH \
  --header "Content-Type: application/json" \
  --header "Accept: application/json" \
  --header "Authorization: Bearer YOUR_API_KEY" \
  --data '{"tags": ["region_7", "int_cards"]}' \
  • Icon Resources Docs


    Explore tutorials to activate and configure IoT SIM cards on Raspberry Pi, PepWave and other popular devices. Or, browse our in-depth API reference.

  • Icon Resources EBook

    Cellular data for Point of Sale IoT

    Does your Point of Sale IoT system leverage cellular data? Read about ways to optimize connectivity for your PoS IoT devices.

  • Icon Resources Article

    Create a private LTE network with Telnyx Wireless

    Learn why private LTE networks are essential for secure IoT, and find out how to build one with Private Wireless Gateways and IoT SIM Cards.

Only pay for what you use

Say goodbye to minimum order quantities and monthly data usage lock-ins. Pay as you go, for what you need and nothing more.

Starting at:


per MB

What will you build with global IoT connectivity?

Customer Stories
We used several different carriers before Telnyx, but it was a huge headache to manage. From data limits, to billing, to having to switch SIMs as devices moved around to different parts of the world.
Customer Quote Clair Global

Spencer Lowe

DevOps Manager, Clair Global


An IoT SIM card is a small card that can be inserted into any compatible device to give it internet connectivity. IoT SIM cards are often used in IoT sensors and devices, as well as in vehicle tracking, point-of-sale terminals, and retail IoT displays.