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.
Questions? Ask our experts

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.
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.
Intelligent network switching
Configure eUICC SIMs to automatically select the best available network, or pin them to a network of your choice.
Pay-as-you-go pricing
Only pay for the data you use, with plans starting at $0.01 / MB.
Data limits & alerts
Set custom thresholds for alerts & limits across one SIM card or a group of SIM cards.
Private LTE networks
Connect devices directly to your corporate network with Private Wireless Gateways to avoid the dangers and inefficiencies of the public internet.
Advanced reporting
Export bespoke reports with in-depth usage data, network registrations, device locations and more.
Benefits
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.
180+
countries with multiple carrier options
We've got you covered
Localize your connectivity today
400+
LTE, 3G, 2G & LTE-M networks
With a single SIM
No SIM swapping, no data roaming.
1
EUICC Sim Card
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"]}' \
https://api.telnyx.com/v2/sim_cards/6a09cdc3-8948-47f0-aa62-74ac943d6c58
Documentation
Explore tutorials to activate and configure IoT SIM cards on Raspberry Pi, PepWave and other popular devices. Or, browse our in-depth API reference.
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.
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.
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:
$0.0125
per MBWhat will you build with global IoT connectivity?
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.
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.