This plugin hasn’t been tested with the latest 3 major releases of WordPress. It may no longer be maintained or supported and may have compatibility issues when used with more recent versions of WordPress.

Quaderno Checkout


Please Note: this plugin is deprecated. If you want to use the last version of Quaderno Checkout, please follow this instructions.

Quaderno Checkout takes taxes off your plate by automatically calculating tax on every sale and following up with beautiful invoices or receipts, no matter where your customer is located. Transactions and invoices processed through Quaderno always comply with ever-changing local tax rules, including in the US, Canada, Australia, New Zealand, Singapore, and the European Union.

What you get

  • Automatic invoices and receipts with every order in your site, in multiple languages and currencies.
  • Comply with local tax laws in countries around the world, including the EU VAT rules for digital goods & services.
  • 100% customizable invoices to reflect your brand or add a personal touch.
  • Manage all your invoices and revenue sources in one easy-to-use dashboard.
  • Real-time reports of your revenue. Track profits, losses, and patterns in the data to identify where your business is going strong and where it may need some TLC.

Quaderno Checkout works with Stripe and PayPal.

Setup in less than 5 minutes. Fast and easy!

Please Note: this plugin requires a Quaderno account.


  • Checkout form
  • Copy your API keys from your Quaderno account
  • Paste it on the plugin settings page
  • Example of a receipt


Please follow this instructions to use the last version of Quaderno Checkout.


Do I need to modify any code?

Nope – we take care of everything you. Just install the plugin, add your API token and you’ll be good to go!

Does Quaderno work with any themes?

Yes, Quaderno works with any theme – whether free, commercial or custom.

Does Quaderno Checkout work with cache plugins, like WP Super Cache?

No. You have to deactivate the cache on all your checkout pages. Otherwise Quaderno won’t work properly.

If you have any questions please get in touch with us at


24 Oktober 2018
Hi, I don't use to publish a lot of comments about other companies or whatever on the web. But I'm going to do an exception for Quaderno. Just because their product is great, what they share in their blog about tax, invoices and so on is so helpful, their customer service rock (yes really, try it!) and their philosophy as a working place is impressive (here you work like 5-6 hours a day). Just for all of that and because they seem to do the right thing, I'm going to do it right now. I'm myself an entrepreneur, have my own startup (, and just feel that Quadernoo is amazing. They are providing invoices to all my clients with all the configuration that I need and even the possibility without any development to pay the invoice online, a WordPress module (that I use in my front-end when people subscribe to Textografo to calculate the VAT taking in consideration EU and local rules), integrating with Stripe (which I use) and other payment platforms and so on. Let me stop here. The only thing I don't understand is why they are not growing faster! Overall I just feel that doing it RIGHT is the right way of doing it. Thanks and which you to grow fast and healthy!
3 September 2016
Quaderno Checkout is absolutely what I needed. I've connected my site with Stripe in minutes and thanks to this plugin the VAT taxes are shown on the fly to my customers so I don't have to install differente plugins to work with electronic services VAT. Thanks to Quaderno I can send my customers invoices automatically and get track of my taxes, gains and expenses. If this plugin wasn't there it would have been a nightmare. Thanks!
Read all 3 reviews

Contributors & Developers

“Quaderno Checkout” adalah perisian sumber terbuka. Orang-orang berikut telah menyumbang kepada pemalam ini.



2.0 – January 23, 2019

  • New: Checkout 3.0

1.9.0 – August 13, 218

  • New: WordPress 4.9 compatibility
  • New: Support for Stripe coupons


  • New: WordPress 4.7 compatibility
  • New: WordPress 4.8 compatibility


  • New: Support PayPal subscriptions
  • New: Add new atributes for one-off purchases
  • Fix: error in Paypal subscriptions
  • Fix: problem with payments of Braintree and Paymill


  • New: Select customer type to show/hidden business data
  • New: Add form attribute so that Rocket Loader ignore Checkout script


  • New: Add custom styles to main button


  • New: Allow change the button color


  • New: Allow tax-included payments


  • New: Set transaction type
  • New: Send description to PayPal
  • New: Hide VAT number is the customer belongs to certain country
  • Fix: error for standard transactions


  • New: Ask for the customer billing address


  • First version