Invoicing

Invoices that chase themselves.

Create and send invoices, let customers pay by card, bank or wallet, and match every payment to its invoice automatically.

Send one and follow it through.

Send the invoice below and watch it get viewed, reminded, paid and matched to a payout.

Invoice

INV-2026-0142

Fieldwork Studio

Issued Sep 27, 2026

Due Oct 27 · Net 30

Bill to

Northwind Labs

ap@northwind.io

ItemAmount
Implementation services20 hours × $150.00$3,000.00
Pro planAnnual · Oct 2026 – Sep 2027$588.00
Subtotal
$3,588.00
Sales tax · NY 8.875%
$318.44
Amount due
$3,906.44
pandabase.link/fieldwork/inv-0142Card, bank or wallet

Activity

  1. DraftDraft saved
  2. SentEmailed to ap@northwind.io
  3. ViewedOpened by Dana Lee
  4. RemindedReminder sent 3 days before due
  5. PaidPaid $3,906.44 by card
  6. MatchedMatched to payout po_8f2k

Reminders

Automatic payment reminders

Set a reminder schedule once. Each email gets a little firmer, and they stop the moment the invoice is paid.

Due

4 of 4 reminders on. None are sent once the invoice is paid.

Email preview

Sends Nov 3

From Fieldwork Studio <billing@fieldwork.studio>

To ap@northwind.io

Invoice INV-2026-0142 is 7 days overdue

Hi Dana,

We haven't received payment for invoice INV-2026-0142 ($3,906.44), which was due on October 27.

Please pay using the link below, or reply if something's holding it up.

Pay $3,906.44pandabase.link/fieldwork/inv-0142

Invoice page

What your customer sees

Every invoice links to a page where customers can pay in their currency, with the methods they use at home, and download a PDF for their records.

Try it as a customer in each country.

pandabase.link/fieldwork/inv-0142

Fieldwork Studio

Invoice INV-2026-0142

€3.593,92

Shown in EUR · invoiced as $3,906.44

Billed to
Northwind Labs
Due
Oct 27, 2026
Items
Implementation, Pro plan
Pay with

Developers

The Invoicing API

Create, send and adjust invoices with the API, with SDKs for Node.js, Python and Go.

  • Net terms or due on receipt
  • Tax added for the customer's location
  • Sent from your own email address
Explore the docs
const invoice = await pandabase.invoices.create({  customer: "cus_Nw81",  items: [    { description: "Implementation services", quantity: 20, unit_amount: 15000 },    { price: "price_pro_yearly" },  ],  days_until_due: 30,  reminders: ["-3d", "0d", "7d", "14d"],});await pandabase.invoices.send(invoice.id);

Create and send an invoice

Add line items, set payment terms and send it. The customer gets an email with a link to pay and a PDF.

FAQ

Frequently asked questions

Answers about sending, paying and matching invoices. Ask us anything else.

  • Every invoice has a payment link. Customers pay by card, Apple Pay or Google Pay, or with local methods like iDEAL, Pay by Bank or Cash App Pay, depending on where they are.