curl --request PATCH \
  --url https://{projectID}.texterchat.com/server/api/v2/labels/{labelId} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "name": "Message failed to send",
  "color": "#a769ff"
}
'

const options = {
  method: 'PATCH',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({name: 'Message failed to send', color: '#a769ff'})
};

fetch('https://{projectID}.texterchat.com/server/api/v2/labels/{labelId}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://{projectID}.texterchat.com/server/api/v2/labels/{labelId}"

payload = {
    "name": "Message failed to send",
    "color": "#a769ff"
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

"OK"

{
  "error": "Invalid name length - Should be between 1 and 100 characters"
}

{
  "error": "<string>"
}