Creating an external feed

import requests

url = "https://api.buttondown.com/v1/external_feeds"
headers = {
  "Authorization": "Token $BUTTONDOWN_API_KEY"
}
data = {
  "url": "http://lorem-rss.herokuapp.com/feed",
  "behavior": "draft",
  "cadence": "daily",
  "metadata": {
    "foo": "bar"
  }
}

response = requests.request("POST", url, headers=headers, json=data)
print(response.text)

{
    "id": "rss_0k28edc3fw896bp4mrhc535z5k",
    "creation_date": "2020-09-29T00:00:00+00:00",
    "last_checked_date": null,
    "status": "active",
    "behavior": "draft",
    "cadence": "daily",
    "cadence_metadata": {},
    "filters": {
        "filters": [],
        "groups": [],
        "predicate": "and"
    },
    "url": "https://example.com/feed",
    "subject": "New post: {{ item.title }}",
    "body": "I just published a new post: {{ item.url }}",
    "label": "Basic external feed",
    "metadata": {},
    "skip_old_items": true
}