curl --request POST \
  --url https://{organization}.rescueconsole.com/api/shifts/bookings/bulk \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "action": "sign_off",
  "ids": [
    "a8d3f6b1-2c9e-4d7a-8e1b-6f4c3a9d2e85",
    "f3b7e1c9-5a2d-4f8b-9c6e-2d8a4b1f7e39"
  ]
}
'

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    action: 'sign_off',
    ids: ['a8d3f6b1-2c9e-4d7a-8e1b-6f4c3a9d2e85', 'f3b7e1c9-5a2d-4f8b-9c6e-2d8a4b1f7e39']
  })
};

fetch('https://{organization}.rescueconsole.com/api/shifts/bookings/bulk', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://{organization}.rescueconsole.com/api/shifts/bookings/bulk"

payload = {
    "action": "sign_off",
    "ids": ["a8d3f6b1-2c9e-4d7a-8e1b-6f4c3a9d2e85", "f3b7e1c9-5a2d-4f8b-9c6e-2d8a4b1f7e39"]
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

{
  "action": "sign_off",
  "signed": 123,
  "already_signed": 123
}

{
  "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)"
}