Tankerkoenig
The tankerkoenig platform allows you to monitor the fuel prices with tankerkoenig.de from within Home Assistant and setup automations based on the information.
To use this sensor you need an API key from tankerkoenig. Go to tankerkoenig API and click on API-KEY in the top right, fill out the form and request a key. The API is free, but requests should be limited to less than once every 5 minutes.
Configuration
To add the Tankerkoenig integration to your Home Assistant instance, use this My button:
If the above My button doesn’t work, you can also perform the following steps manually:
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Browse to your Home Assistant instance.
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In the bottom right corner, select the Add Integration button.
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From the list, select Tankerkoenig.
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Follow the instructions on screen to complete the setup.