curl --request PATCH \
  --url https://{organization}.rescueconsole.com/api/animals/application-stages/{key} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "label": "Waiting on landlord",
  "color": null
}
'

const options = {
  method: 'PATCH',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({label: 'Waiting on landlord', color: null})
};

fetch('https://{organization}.rescueconsole.com/api/animals/application-stages/{key}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://{organization}.rescueconsole.com/api/animals/application-stages/{key}"

payload = {
    "label": "Waiting on landlord",
    "color": None
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

{
  "results": [
    {
      "key": "<string>",
      "label": "<string>",
      "kind": "adoption",
      "color": "<string>",
      "sort_order": 123,
      "is_system": true,
      "is_enabled": true,
      "status": "draft"
    }
  ],
  "usage": {}
}

{
  "error": "house_trained must be 1, 0 or null (not assessed)"
}

{
  "error": "house_trained must be 1, 0 or null (not assessed)"
}

{
  "error": "house_trained must be 1, 0 or null (not assessed)"
}

{
  "error": "house_trained must be 1, 0 or null (not assessed)"
}

{
  "error": "house_trained must be 1, 0 or null (not assessed)"
}