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What is a recurring invoice?

A recurring invoice is generated automatically on a schedule — weekly, monthly, quarterly — for ongoing services. Retainers, subscriptions, and maintenance contracts run on them. Set it once and the billing happens; the only job left is watching for failed payments.

In practice

A web host bills 200 clients $29/month via recurring invoices on the 1st. One setup, $5,800 of predictable monthly revenue, zero manual invoicing.

Related terms

  • Invoice — A formal bill requesting payment for work done or goods delivered.
  • Invoice number — The unique sequential identifier on each invoice.
  • Retainer — Advance payment reserving a professional's future availability.

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Frequently asked questions

What businesses use recurring invoices?

Any ongoing service: retainers, maintenance plans, subscriptions, rent, hosting. If you bill the same client the same amount regularly, automate it.

Do recurring invoices need new numbers each time?

Yes — every invoice needs a unique sequential number, even automated ones. Gaps or duplicates will haunt your books.

What if the amount changes month to month?

Use a recurring template with variable line items, or review before each send. Fully fixed amounts can go fully automatic; variable ones need a glance.