curl --request POST \
  --url https://api.aimtell.com/prod/pixel/{id} \
  --header 'Content-Type: application/json' \
  --header 'X-Authorization-Api-Key: <api-key>' \
  --data '
{
  "name": "<string>",
  "value": {
    "event_category": "<string>",
    "event_action": "<string>",
    "event_label": "<string>",
    "event_value": 123
  }
}
'

{
  "result": "success",
  "message": "Succesfully updated pixel."
}