curl --request GET \
  --url https://api.neynar.com/v2/farcaster/cast/composer_actions/list/ \
  --header 'x-api-key: <api-key>'

{
  "actions": [
    {
      "name": "<string>",
      "icon": "<string>",
      "description": "<string>",
      "about_url": "<string>",
      "image_url": "<string>",
      "action_url": "<string>",
      "action": {
        "action_type": "<string>",
        "post_url": "<string>"
      },
      "octicon": "<string>",
      "added_count": 123,
      "app_name": "<string>",
      "author_fid": 123,
      "category": "<string>",
      "object": "<string>"
    }
  ],
  "next": {
    "cursor": "<string>"
  }
}