curl --request POST \
  --url https://app.hookie.ai/admin/api/billing/subscribe \
  --header 'Content-Type: application/json' \
  --cookie hookie_session= \
  --data '
{
  "plan": "standard"
}
'

const options = {
  method: 'POST',
  headers: {cookie: 'hookie_session=', 'Content-Type': 'application/json'},
  body: JSON.stringify({plan: 'standard'})
};

fetch('https://app.hookie.ai/admin/api/billing/subscribe', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://app.hookie.ai/admin/api/billing/subscribe"

payload = { "plan": "standard" }
headers = {
    "cookie": "hookie_session=",
    "Content-Type": "application/json"
}

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

print(response.text)

{
  "session_id": "<string>",
  "checkout_url": "<string>"
}

{
  "error": "<string>",
  "retry_after": 123,
  "upgrade_url": "<string>"
}

{
  "error": "<string>",
  "retry_after": 123,
  "upgrade_url": "<string>"
}

{
  "error": "<string>",
  "retry_after": 123,
  "upgrade_url": "<string>"
}

{
  "error": "<string>",
  "retry_after": 123,
  "upgrade_url": "<string>"
}

{
  "error": "<string>",
  "retry_after": 123,
  "upgrade_url": "<string>"
}

{
  "error": "<string>",
  "retry_after": 123,
  "upgrade_url": "<string>"
}

{
  "error": "<string>",
  "retry_after": 123,
  "upgrade_url": "<string>"
}