Beispiel für RESTful Sensor in Home Assistant zur Abfrage des luftdaten.info API

configuration.yaml

sensor:
  - platform: rest
    resource: http://api.luftdaten.info/v1/sensor/1777
    value_template: >
      {% if value_json is sequence %}
        {% set sensor = value_json | last %}
      {% else %}
        {% set sensor = value_json %}
      {% endif %}
      {% for sdv in sensor.sensordatavalues %}
        {% if sdv.value_type == "P1" %}
          {{ sdv.value | int }}
        {% endif %}
      {% endfor %}
    unit_of_measurement: "µg/m³"
    name: "PM10"