JUMP TOGetting StartedIntroductionUsage of Virtual IBANsOrder State TransitionsAPI DocumentationAPI IntroductionAuthenticationRequest OAuth TokenpostValidate OAuth TokengetBack-end Order CreationCreate OrderpostGet Legal FormsgetCheckout WidgetCheckout ClientCheckout Session CreatepostCheckout Session ConfirmputOrder Management APIOrder States & Decline ReasonsCancel OrderpostGet Order DetailsgetUpdate OrderpostInvoicesInvoice StatesGet InvoicegetCancel InvoicedeleteConfirm Invoice PaymentpostCreate Credit NotepostCreate InvoicepostExtend Invoice durationpostUpdate InvoicepostWebhooksSDK IntegrationPlatform SolutionsOverviewKlarna Payments IntegrationShopware IntegrationJTL IntegrationWooCommerce IntegrationAPI IntroductionThe following documentation describes our RESTFul API, which allows easy integration into your web-shop, eCommerce platform, or invoicing back-end. If you want to integrate Billie via SDK you can find our documentation here.
