This is a custom component integration for Splitwise API

• Login into https://secure.splitwise.com and login into your account
• Click on your profile and select Your Account

• In the Your Account section, select Your Apps under the Privacy and Security section

• Under the build your own app, click on Register your Application

• Fill in the following sections
  • Application name: Homeassistant
  • Application Description: Homeassistant API Integration
  • Homepage URL: http://localhost:8123
  • [Important] Callback URL: http://localhost:8123/api/splitwise/callback

If you are using a reverse proxy in front of your home assistant server, use the public address (https://home.<your-domain>.com>/api/splitwise/callback) as the callback URL in the application settings. Otherwise the oauth authentication won't work

• Click on Register and get API key
• Copy the Consumer Key and Consumer Secret values and store it some place safe

• Search for Splitwise Sensor in HACS console and install it.

• Copy the contents of the folder custom_components/splitwise into <hass-config-directory>/custom_components/splitwise

• Add the following lines to the configuration.yaml

sensor:
  - platform: splitwise
    client_id: '<consumer-id>'
    client_secret: '<consumer-secret>'

• Restart Homeassistant
• Once you login to Homeassistant again, you should see a persistent notification with an authorization URL link in it:

• You will be redirected to the Oauth confirmation page from Splitwise to authorize Homeassistant to pull the data on your behalf.

• Once you accept the Splitwise Oauth Callback, then sensor pulls the data from Splitwise API

This component will fire events:

The event types are defined in the API documentation