Vehicle signals
The data you need, from the vehicles you support
Access a wide range of vehicle signals — from battery level and fuel status to tire pressure and odometer. Request only what matters, with full transparency and control.

What are vehicle signals?
Vehicle signals are real-time data points that describe the state of a connected car. Signals include values such as a vehicle's odometer, location, and battery level, as well as information like DTC codes, charge events, and service records.
With Smartcar, you can access everything from high-level stats to granular insights — all with customer permission, no hardware required. Once your users have granted your system access to their vehicles, you'll be able to subscribe to any changes in the signals you need and have that data delivered when and where you need it.
How you use signals







How you use signals
You choose the data you need
Select from a broad range of signals the ones you need to power your application.
Users grant your app access to their vehicle data
Share your Smartcar Connect URL with your users and they sign in securely with their connected services account.
You receive that data when and how you need it
Configure Webhooks to send the data to you automatically or request data through the Smartcar API.
Reliable data for a range of use cases
With a vast range of vehicle data signals to choose from, you can retrieve the information you need to build the best solutions for your customers.
Verify vehicle mileage accurately
Use odometer readings and location signals to power accurate, usage-based policies or verify driving behavior.
Retrieve DTCs and monitor vehicle health
Get notified of diagnostic trouble codes (DTCs), tire pressure warnings, and other safety indicators to proactively reach out to drivers.
Monitor granular battery and charging data
Get battery percentage, range estimates, and charge status — enabling smart charging schedules and customer alerts.
Compatibility made simple
Not every signal is available on every vehicle — that’s why we offer a detailed compatibility matrix. Check brand and model support at a glance, filter by country, make, engine type, and more, and use this information to set user expectations before onboarding.
Secure by design
Every signal is only shared with user consent, through the Smartcar Connect flow. You’re in control of what you request, and your customers are always informed.
- OAuth2-based permissions
- Clear, user-friendly consent screens
- Signal-specific access scopes
Get signals delivered automatically
Use Webhooks to stream selected signals to your backend the moment they change.
Delivered as soon as available
Fine-tuned payload configuration
Lightweight, scalable delivery
Explore more
Dive deeper into each feature available with Smartcar.
Vehicle commands
Send commands to a vehicle.
Compatible brands
Check compatibility by brand, model, and year.
Connect
Onboard your users in a few simple steps.
Integrations
Configure when and where you receive vehicle data.
Vehicle management
Track and manage your connected vehicles.
Teams
Collaborate directly within the Smartcar dashboard.