Billing Apex Reference

Billing provides the ConnectApi namespace (also called Connect in Apex) that contains classes for accessing the same capabilities that are available in the Billing Business APIs.

This table lists the available Billing Apex methods with the associated Connect REST API.

Apex Method	Connect REST API
`convertNegativeInvoiceLines(ConvertNegativeInvoiceLinesInput, invoiceId)`	`Negative Invoice Lines to Credit Conversion (POST)`
`generateInvoices(inputRequest)`	`Invoices By Using Billing Schedules (POST)`
`recoverBillingSchedules(inputRequest)`	`Billing Schedule Recovery List (POST)`
`creditInvoice(CreditInvoiceInput, invoiceId)`	`Credit Memo Create and Apply (POST)`
`applyCreditMemos(CreditMemoApplyInput, creditMemoId)`	`Credit Memo Apply List(POST)`
`unapplyCreditMemos(CreditMemoUnapplyInput, creditMemoInvApplicationId)`	`Credit Memo Unapply (POST)`
`applyCreditMemoLines(CreditMemoLineApplyInput, creditMemoLineId)`	`Credit Memo Line Apply (POST)`
`unapplyCreditMemoLines(CreditMemoLineUnapplyInput, creditMemoLineInvoiceLineId)`	`Credit Memo Line Unapply (POST)`
`triggerInvoiceBatchDraftToPosted(invoiceBatchRunId)`	`Invoices Batch Draft to Posted Status (POST)`
`postDraftInvoices(inputRequest)`	`Invoice Draft to Posted Status (POST)`
`createCreditMemos(CreditMemoInputRequest)`	`Credit Memo Create and Apply (POST)`
`voidPostedInvoice(invoiceId)`	`Posted Invoice Voidance (POST)`
`calculateTax(calculateTax)`	`Tax Calculation (POST)`

Revenue Cloud Developer Guide

Billing Apex Reference