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Invoice Payment → Update
AI-generatedSummary
Updates an existing invoice payment in Fortnox by its payment number.
Inputs
- Number (required) — The payment number to update.
- Update Fields — Collection of fields to modify on the payment. Any subset may be provided; omitted fields retain their current values.
Output shape
Updated invoice payment object returned by the Fortnox API (or error details if the request fails).
The exact return shape follows Fortnox’s Invoice Payment response format, containing at least the payment number and the updated field values.
Examples
Example 1: Change the payment amount and date
Set Number = 12345, Update Fields → Amount = 1500, PaymentDate = '2024-04-30'.