apikey: "01234deb70424befb1f4ef6a23456789"
```
- The url must be the root url of Lidarr, Radarr or Sonarr application.
- The Lidarr, Radarr or Sonarr API key can be found in Settings > General. It is needed to access the API.
+ The url must be the root url of Lidarr, Prowlarr, Radarr or Sonarr application.
+ The Lidarr, Prowlarr, Radarr or Sonarr API key can be found in Settings > General. It is needed to access the API.
+If you are using an older version of Radarr or Sonarr which don't support the new V3 api endpoints, add the following line to your service config "legacyApi: true", example:
+
+```yaml
+- name: "Radarr"
+ type: "Radarr"
+ url: "http://localhost:7878/"
+ apikey: "MY-SUPER-SECRET-API-KEY"
+ target: "_blank"
+ legacyApi: true
+```
## PaperlessNG