curl --request POST \
  --url https://api.hyperline.co/v1/oauth/tokens \
  --header 'Content-Type: application/json' \
  --data '{
  "client_id": "<string>",
  "client_secret": "<string>",
  "grant_type": "authorization_code",
  "code": "<string>",
  "redirect_uri": "<string>"
}'

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