curl --request DELETE \
  --url https://{organization}.rescueconsole.com/api/people/custom-fields/{fieldId} \
  --header 'Authorization: Bearer <token>'

const options = {method: 'DELETE', headers: {Authorization: 'Bearer <token>'}};

fetch('https://{organization}.rescueconsole.com/api/people/custom-fields/{fieldId}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://{organization}.rescueconsole.com/api/people/custom-fields/{fieldId}"

headers = {"Authorization": "Bearer <token>"}

response = requests.delete(url, headers=headers)

print(response.text)

{
  "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)"
}