October 28, 2025—5 min
LeMar GPS System
1. Go to https://system.le-mar.eu/new/
2. Log in to your account

3. Click the gear icon and then select "Settings"

4. Go to the “API keys” section

5. Click “Create API key”

6. If you want to share all vehicles: Select "All vehicles" in "Available vehicles" and go to step 8

7. If you want to share only some of your vehicles: Choose "Limited access" and select the vehicles from the list

8. In the “Available actions”, select “Limited access”

9. Check “unit/list” If you want to share additional data with CO3 (e.g. fuel level) make sure to check it on the list as well

10. Click “Save”

11. Copy API key from the list

12. Go to the "Telematics" tab on CO3 website and select "Add New GPS Connection" or click the link https://track.co3.io/#/telematic-accounts/create
13. Select your GPS provider from the list

14. Paste the generated token into the "API key" field

15. Click "Submit"
16. If the access data is correct, the account configuration will be successful
Do you have questions?
Contact us at carrier@co3.io