API is an interface through which two applications can communicate with each other and exchange data. It's a package of methods (see Documentation) that can be used to communicate between applications. This requires knowing your unique API key to be able to send data to the business in your Billdu account and also the apiSecret (which serves as a password)

Billdu uses unidirectional (inward) communication - which means other apps can only send data to Billdu.

With our API, you can create clients and documents (invoices, orders) and send them by email. Please take a look at our Documentation to learn more.






If you have any issues or feature requests concerning the general usage of the API please use the issue section in this Github repository https://github.com/billduapp/api_documentation

Shopify, WooCommerce, OpenCart and other modules

IMPORTANT NOTE: We no longer offer support for our modules. You can still use a module, but in case of any issue we may not be able to resolve it.


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