curl --request POST \
  --url https://api.sandbox.monite.com/v1/auth/token \
  --header 'Content-Type: application/json' \
  --header 'x-monite-version: <x-monite-version>' \
  --data '
{
  "client_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "client_secret": "<string>",
  "grant_type": "client_credentials",
  "entity_user_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
}
'

{
  "access_token": "<string>",
  "expires_in": 123,
  "token_type": "<string>"
}