Customer portal and proofs of payment
On an invoice, create the customer link (Customer portal card). It is added automatically to your reminders.
Your customer opens it without an account, in their language: they see the invoice and balance, can announce a payment date (it becomes a payment promise), upload a proof of payment (PDF or photo) or ask a question. A “Pay online” button appears if you set a payment link in Settings › Payment & sending.
You get a notification. Approve a proof to pre-fill the payment form, then record the payment.
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