Poprawione

- platform: rest
  method: GET
  resource_template: http://mojdomek.eu/api/api2.php?id=TUTAJ_ID
  value_template: "{{ value_json.locations[0].measurement.percent }}"
  name: 'Poziom szamba'
  scan_interval: 1800
  unit_of_measurement: '%'

- platform: rest
  method: GET
  resource_template: http://mojdomek.eu/api/api2.php?id=TUTAJ_ID
  value_template: "{{ value_json.locations[0].measurement.batt_level }}"
  name: 'Stan baterii'
  scan_interval: 1800
  unit_of_measurement: '%'

- platform: rest
  method: GET
  resource_template: http://mojdomek.eu/api/api2.php?id=TUTAJ_ID
  value_template: "{{ value_json.locations[0].measurement.cm }}"
  name: 'Poziom szamba w cm'
  scan_interval: 1800
  unit_of_measurement: 'cm'

- platform: rest
  method: GET
  resource_template: http://mojdomek.eu/api/api2.php?id=TUTAJ_ID
  value_template: "{{ value_json.locations[0].measurement.nextfull }}"
  name: 'Następne opróżnienie'
  scan_interval: 1800

- platform: rest
  method: GET
  resource_template: http://mojdomek.eu/api/api2.php?id=TUTAJ_ID
  value_template: "{{ value_json.locations[0].measurement.lastempty }}"
  name: 'Ostatnie opróżnienie'
  scan_interval: 1800