Moloni ON Logo WhiteGuidesAPI ReferenceExplorer
API Reference

proFormaInvoiceNullify

mutation

Nullify pro forma invoice

Voids a finalized pro forma invoice. An optional reason can be provided.

mutation {
  proFormaInvoiceNullify(companyId: Int!, documentId: Int!, nullifiedReason: String): ProFormaInvoice!
}

Returns: ProFormaInvoice!

Arguments

NameTypeDescription
companyIdInt!
documentIdInt!
nullifiedReasonString

© 2026 Moloni ON

Tax Authority Certificate No. 3075