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How to invoice a customer and collect paymentHow to invoice a customer and collect payment
Payments made on the invoice’s payment page are recorded on it automatically. So are bank transfers into the invoice’s account that Slash can match to it, by the invoice number or reference in the payment details, or by amount. Each payment shows up in the invoice’s payments, and its status and amounts follow.

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Payment instructions

To deliver an invoice yourself, or to show the customer where to send money, get its payment instructions: the bank details, and any crypto addresses, printed on its PDF and payment page.

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Record a payment

When a deposit wasn’t matched, or the customer paid outside Slash, record the payment on the sent invoice:
  • transactionId links a deposit, found with List transactions. The payment is the deposit’s amount, so a smaller deposit leaves the invoice partially_paid.
  • external records money received elsewhere, such as a check, for the invoice’s total.
A recorded payment replaces any payments the invoice already has.

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Remove a payment

Remove a payment that landed on the wrong invoice. The money isn’t touched, and the invoice goes back to whatever its remaining payments cover. Slash won’t match that deposit to the invoice again on its own.

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Void an invoice

Void an invoice that should no longer be paid. Voiding a paid invoice also removes its payments; the money doesn’t move. A series’ scheduled invoice can’t be voided on its own: skip it or cancel the series.