curl --location --request PUT 'https://api.conexteo.com/models/1234' \
--header 'X-APP-ID: <api-key>' \
--header 'X-API-KEY: <api-key>' \
--header 'Content-Type: application/json' \
--data-raw '{
"name": "Mon Modèle",
"content": "Ceci est mon premier modèle",
"sender": "TEST"
}'
{
"id": 0,
"name": "string",
"content": "string",
"sender": "string"
}