curl --request PATCH \
  --url https://api.pathstack.io/connection/{connection_id}/credentials \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "credentials": {}
}
'

{
  "data": {
    "connection_id": "<string>",
    "credentials": {}
  }
}