# PaymentService
This service is used for registering payments on invoices in the 24SevenOffice system. By sending a request to RegisterInvoicePayment (opens new window) or RegisterInvoicePayments (opens new window) you can register a new payment.
Mandatory fields are Date, Amount and InvoiceId.
PaymentService (opens new window)
PaymentService WSDL (opens new window)
# Methods
| Method | Input type | Return type | Description |
|---|---|---|---|
| RegisterInvoicePayment (opens new window) | Payment | Payment | Sets/registers a single invoice as paid |
| RegisterInvoicePayments (opens new window) | Payment[] | Payment[] | Registers a list of payments. Method will return a list of payments that failed in the saving process. |