Mastodon Follower Count.yaml

# First get your user id by entering your full @user@domain into
# https://prouser123.me/mastodon-userid-lookup/

# Add the rest sensor into your configuration.yaml, replacing bracketed values as appropriate

sensor:
    ...
  - platform: rest
    resource: https://[YOUR MASTODON SERVER]/api/v1/accounts/[YOUR USER ID]
    name: "[YOUR NAME] follower count"
    value_template: '{{ value_json.followers_count }}'
    state_class: total
    scan_interval: 3600