curl --request POST \
  --url https://api.sentvia.ai/v1/inboxes \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "local_part": "<string>",
  "display_name": "<string>",
  "domain_id": "<string>"
}
'

{
  "id": "<string>",
  "local_part": "<string>",
  "display_name": "<string>",
  "address": "<string>"
}