Create one-off invoice

amount_due is the total amount that needs to be paid for this invoice

amount_paid is the amount that has been paid towards this invoice

billing_period is the period this invoice covers (e.g., "monthly", "yearly")

currency is the three-letter ISO currency code (e.g., USD, EUR) for the invoice

customer_id is the unique identifier of the customer this invoice belongs to

description is an optional text description of the invoice

due_date is the date by which payment is expected

idempotency_key is an optional key used to prevent duplicate invoice creation

invoice_number is an optional human-readable identifier for the invoice

invoice_pdf_url is the URL where customers can download the PDF version of this invoice

issue_date overrides the user-facing date of the invoice. Defaults to created_at if not provided.

period_end is the end date of the billing period

period_start is the start date of the billing period

subscription_id is the optional unique identifier of the subscription associated with this invoice

subtotal is the amount before taxes and discounts are applied

total is the total amount of the invoice including taxes and discounts

total_prepaid_applied is the total amount of prepaid applied to this invoice.

adjustment_amount is the total sum of credit notes of type "adjustment". These are non-cash reductions applied to the invoice (e.g. goodwill credit, billing correction).

amount_due is the total amount that needs to be paid for this invoice

amount_paid is the amount that has already been paid towards this invoice

amount_remaining is the outstanding amount still owed on this invoice (calculated as amount_due minus amount_paid)

billing_period describes the billing period this invoice covers (e.g., "January 2024", "Q1 2024")

billing_reason indicates why this invoice was generated (e.g., "subscription_billing", "manual_charge")

billing_sequence is the sequential number indicating the billing cycle for subscription invoices

currency is the three-letter ISO currency code (e.g., USD, EUR, GBP) that applies to all monetary amounts on this invoice

customer_id is the ID of the customer who will receive this invoice

description is an optional description or notes about this invoice

due_date is the date when payment for this invoice is due

environment_id is the ID of the environment this invoice belongs to (for multi-environment setups)

finalized_at is the timestamp when this invoice was finalized and made ready for payment

id is the unique identifier for this invoice

idempotency_key is a unique key used to prevent duplicate invoice creation when retrying API calls

invoice_number is the human-readable invoice number displayed to customers (e.g., INV-2024-001)

invoice_pdf_url is the URL where customers can download the PDF version of this invoice

issue_date is the user-facing date of the invoice. Defaults to created_at if not set.

last_computed_at is the timestamp when this invoice was last computed by ComputeInvoice

overpaid_amount is the amount overpaid if payment_status is OVERPAID (amount_paid - total)

paid_at is the timestamp when this invoice was fully paid

period_end is the end date of the billing period covered by this invoice

period_start is the start date of the billing period covered by this invoice

recalculated_invoice_id is the ID of the replacement invoice created when this invoice was voided and recalculated. When set, it forms a parent→child link from this (voided) invoice to the new replacement invoice.

refunded_amount is the total sum of credit notes of type "refund". These are actual refunds issued to the customer.

subscription_customer_id is the subscription owner's customer ID (Subscription.CustomerID). It may differ from customer_id when the subscription uses an invoicing customer. Set internally; nullable in DB.

subscription_id is the ID of the subscription this invoice is associated with (only present for subscription-based invoices)

subtotal is the sum of all line items before any taxes, discounts, or additional fees

total is the final amount including taxes, fees, and discounts

total_discount is the sum of all coupon discounts applied to the invoice

total_prepaid_credits_applied is the total amount of prepaid credits applied to this invoice.

total_tax is the sum of all taxes combined at the invoice level.

version is the version number for tracking changes to this invoice

voided_at is the timestamp when this invoice was voided or cancelled