What should a startup include on an invoice?

Every startup invoice should include your business name and contact details, a unique invoice number, issue and due dates, itemized line items with amounts, tax where applicable, the total due, and accepted payment methods. Adding a PO number and clear payment instructions cuts back-and-forth and helps you get paid faster.

What are standard payment terms for startups?

Net 30 is the default payment term for B2B invoices in the US. Early-stage startups that need cash sooner often use Net 15 or due on receipt, and the terms you choose should always be stated on the invoice itself.

How should you handle late invoice payments?

Send a polite reminder the day after the due date, then follow up weekly until the invoice is paid. Stating a late fee policy on the invoice up front makes enforcement expected rather than adversarial.

Is this invoice generator free?

Yes, the invoice generator is free to use. Fill in your company details, add line items, and download the finished invoice as a PDF.

What is the fastest way for a startup to get paid?

The fastest way to get paid is to make paying easy: send the invoice promptly, accept ACH, and state clear payment terms. Invoicing from the same platform your business account lives on, like Rho Invoicing, also means payments match to invoices automatically instead of waiting on manual reconciliation.

Create your invoice

Work down the steps — everything updates in the preview.

Company name

Email address

Country

Address

City

State

ZIP code

Phone

Brand color — themes your invoice, not ours

Custom

Shows as the header bar and total on your PDF.

Logo (optional)

PNG or JPG, up to 2 MB

Preview

Updates as you type

Invoice

ISSUED

Aug 24, 2026

DUE

Sep 23, 2026

CURRENCY

USD

FROM

Your company

BILL TO

Your client

DESCRIPTIONQTYRATEAMOUNT

Your first line item

Subtotal$0.00

Total due$0.00

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How to use this free invoice generator

Fill in your company details and your client's information, add line items with quantities and rates, and set your payment terms. The generator builds a professional invoice you can download as a PDF and send right away.

Not sure what belongs on the invoice? See our guide on how to make an invoice for a field-by-field walkthrough.

When you need more than a one-off invoice

A generator is perfect for the occasional invoice. If you send invoices every month, compare the best invoicing tools for startups to see when dedicated software pays off.

Rho customers already have that software built in. Rho Invoicing is free with your Rho account and includes a payment portal, recurring invoices, and automatic payment matching.

Frequently asked questions

Every startup invoice should include your business name and contact details, a unique invoice number, issue and due dates, itemized line items with amounts, tax where applicable, the total due, and accepted payment methods. Adding a PO number and clear payment instructions cuts back-and-forth and helps you get paid faster.
Net 30 is the default payment term for B2B invoices in the US. Early-stage startups that need cash sooner often use Net 15 or due on receipt, and the terms you choose should always be stated on the invoice itself.
Send a polite reminder the day after the due date, then follow up weekly until the invoice is paid. Stating a late fee policy on the invoice up front makes enforcement expected rather than adversarial.
Yes, the invoice generator is free to use. Fill in your company details, add line items, and download the finished invoice as a PDF.
The fastest way to get paid is to make paying easy: send the invoice promptly, accept ACH, and state clear payment terms. Invoicing from the same platform your business account lives on, like Rho Invoicing, also means payments match to invoices automatically instead of waiting on manual reconciliation.