curl --request POST \
  --url https://loveandpay.io/api/v1/invoices \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <x-api-key>' \
  --data '
{
  "amount": 123,
  "currency": "<string>",
  "description": "<string>",
  "metadata": {},
  "expiresAt": "<string>",
  "redirectUrl": "<string>"
}
'

{
  "id": "<string>",
  "amount": 123,
  "currency": "<string>",
  "status": "<string>",
  "paymentUrl": "<string>",
  "createdAt": "<string>",
  "expiresAt": "<string>"
}