Updating a subscriber

import requests

url = "https://api.buttondown.com/v1/subscribers/{id_or_email}"

payload = {
    "email_address": "telemachus@buttondown.email",
    "notes": "One of our first subscribers!"
}
headers = {
    "accept": "application/json",
    "authorization": "Token $BUTTONDOWN_API_KEY",
    "content-type": "application/json"
}

response = requests.patch(url, json=payload, headers=headers)

print(response.text)

{
    "id": "13121cd6-0dfc-424c-bb12-988b0a32fcb3",
    "creation_date": "2020-09-29T00:00:00+00:00",
    "email_address": "telemachus@buttondown.email",
    "notes": "",
    "metadata": {
        "name": "Telemachus"
    },
    "tags": [],
    "referrer_url": "",
    "secondary_id": 1,
    "type": "unactivated",
    "source": "organic",
    "utm_campaign": "",
    "utm_medium": "",
    "utm_source": "",
    "referral_code": "",
    "avatar_url": "",
    "stripe_coupon": null,
    "unsubscription_date": null,
    "churn_date": null,
    "upgrade_date": null,
    "unsubscription_reason": "",
    "transitions": [],
    "ip_address": null,
    "last_open_date": null,
    "last_click_date": null,
    "stripe_customer_id": null,
    "subscriber_import_id": null,
    "stripe_customer": null
}