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Tax API 3.0Real-time reporting, fully automatic

Invoice in 30 seconds.
We handle the tax authority.

Billcircle is online invoicing for freelancers, LLCs and partnerships. You issue the invoice, we submit it to the tax authority, and we match the payment to your bank account.

4.9/5 · 12,000+ small business owners invoice with us
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From bakeries to software companies: they already invoice with Billcircle

Features

Everything invoicing needs. And nothing it doesn't.

We built Billcircle for small businesses: it does as much as you need, and you don't need an accounting degree to use it.

Issued14:02:11
Submitted14:02:12
Accepted14:02:13
14:02:13BC-2026-0148CREATE · $508DONE
11:47:30BC-2026-0147CREATE · $175DONE
09:15:02BC-2026-0146VOID · −$35DONE

Automatic tax authority reporting

Every invoice reaches the tax authority's online invoice system within seconds. If it rejects an invoice, we tell you right away and show you what to fix.

Business account Synced · 2 min ago
KC
Kovacs & Co. LLPBC-0148 matched
+508
AB
Almond Beauty LLCBC-0145 matched
+133
TW
Tisza Wine House LLCMatching…
+595
SB
Summit Builders Inc.BC-0139 matched
+2,800
BS
Bridgeend StudioBC-0137 matched
+210
Received this week$4,246

Bank sync, no manual bookkeeping

Connect your bank account and we automatically assign incoming transfers to invoices based on the reference and the amount. You see who paid and who didn't.

JULAUGSEPOCTNOVDEC
On the 1st of every month

Recurring invoices

Your monthly-fee clients get their invoice automatically, by email, together with the payment request.

Outstanding · 30 days$1,140
−38%
3 reminders sent this week

Receivables monitor

Polite, automatic payment reminders so you don't have to write awkward emails.

ET
Esther TothAccountant · invite accepted
read-only
vat-analytics_2026Q3.xlsx invoices_sept.zip tax-export.xml

Accountant access

Invite your accountant in one click. They download what they need, and you don't have to send PDFs at the end of the month.

Web shop order Billcircle Invoice to the customer
POST /v1/invoices "customer": "Ben Nagy"

Web shop plugins and API

Ready-made plugins for popular web shop platforms and an open REST API for everything else. After a paid order, the invoice is created by itself.

Why we built this

You didn't become an entrepreneur to do invoicing. That's why Billcircle asks for ten minutes a month at most and gives the rest of the time back to your work.

12,000+

active businesses invoice with us every day

4.2 M

invoices submitted to the tax authority last year

99.98%

of tax authority submissions accepted on the first try

6 days

sooner customers pay, on average

How it works

Three steps, and you're invoicing.

Nothing to install and no course to take. If you have a tax ID, you can issue your first invoice in five minutes.

01 / SIGN-UP

Enter your tax ID and we'll fill in the rest.

We fetch your company details from the tax authority. We guide you step by step through setting up the technical user.

  • Sole proprietor, LLC, partnership, VAT-exempt
  • Move over from your previous invoicing tool in 1 click
Company details
28471936-2-41
Bridgeend Studio LLC from tax authority
48 Lajos St., 1036 Budapest from tax authority
Tax authority technical user connected
02 / ISSUE

Issue the invoice, even from your phone.

We remember customers and products, calculate the VAT and number the invoice. One tap and the invoice is on its way.

  • Invoices in multiple languages, USD, EUR, GBP
  • Pro forma, advance and correction invoices
Tax ✓
03 / MONITOR

We watch for the money to arrive.

Billcircle matches transfers, sends reminders to late payers and tells you when everything is fine. Meanwhile you can work on the next job.

  • Push notification for every payment
  • Monthly summary for your accountant, automatically
Testimonials

Written by business owners, not the marketing department.

“It used to take the last Sunday of every month. Now it's done while the coffee brews.”
AK
Anna KovacsKovacs Bakery, Kecskemet
“I switched because of the bank sync. Finally I can see who paid, and I don't have to hunt through Excel.”
BN
Ben NagyWeb developer, freelancer
“I have twenty-four clients in Billcircle. I've never had such a clean export from any invoicing tool.”
ET
Esther TothCertified accountant
“Thanks to recurring invoices, I don't even have to think about my monthly-fee clients any more.”
LH
Lilly HorvathBridgeend Studio, Budapest
“The tax authority once rejected an invoice because I mistyped the tax ID. Billcircle told me within 10 seconds and showed me the mistake.”
GS
Gregory SzaboSummit Builders Inc.
“Our web shop gets 80-120 orders a day. We don't have to issue a single invoice by hand.”
RM
Rebecca MolnarAlmond Beauty, web shop
“I invoice from my phone on site. By the time I'm back at the car, the PDF is already with the customer.”
DF
Daniel FarkasElectrician, sole proprietor
“Moving from the old invoicing tool really took one afternoon, customer list included.”
KV
Kate VargaTisza Wine House LLC
“I'm VAT-exempt, and finally I don't have to type the legal text onto every invoice by hand.”
EB
Eve BaloghYoga instructor
“Thanks to the reminders, our outstanding balance was cut in half in three months.”
ZP
Zoltan PappBalaton Car Rental
“Support where a real human answers, within 15 minutes.”
ML
Mark LakatosCobblestone Dev
“Simple, fast, and I've never had to call the tax authority because of it.”
IO
Ildiko OlahLight&Shadow photo studio
Pricing

Transparent pricing, no hidden fees.

Every plan includes tax authority reporting and 8-year archiving. You can cancel anytime.

Starter

For new businesses that issue a few invoices a month.

$0/mo
free forever
Free account
  • 10 invoices a month
  • Automatic tax authority submission
  • PDF invoice by email
  • 1 user

Team

For companies with multiple locations, a web shop or several employees.

$15/mo
$180 billed annually
30 days free
  • Everything in Business
  • Up to 10 users, with permission management
  • Web shop plugins and REST API
  • Multiple invoice series and bank accounts
  • Priority phone support

Prices exclude VAT. You can try it without a credit card.

FAQ

Got a question? Here's the answer.

If you can't find what you're looking for, email us at hello@billcircle.com. On business days we reply within 15 minutes.

Yes. Billcircle communicates with the tax authority's online invoice system (API 3.0) and submits invoices automatically the moment they're issued. Our software is registered with the tax authority, and we track every regulatory change at no extra charge.

With a technical user, Billcircle can submit invoices to the tax authority on your behalf. It has to be created in the Online Invoice portal. After sign-up we walk you through it with screenshots, and it usually takes 3-4 minutes.

Yes. You can set your VAT exemption and the required text is added to every invoice automatically. If you cross the threshold, Billcircle warns you and helps you switch to invoicing with VAT.

Yes. You can import your customers, products and previous invoices from CSV or from the tax authority. We continue invoice numbering where you left off.

Data is stored encrypted in the European Union with daily backups. In line with accounting law, we archive invoices for at least 8 years, even if you cancel your subscription in the meantime.

Yes, with no lock-in. On the monthly plan you can use the paid features until the end of the month, on the annual plan until the end of the year you started, after which your account automatically switches to the Starter plan.

Start today

Your first invoice can be ready in five minutes.

Create your free account, connect it to the tax authority and issue your first invoice before your coffee gets cold.

No credit card needed · every feature for 30 days · human support