JUMP TOBillie Direct APIIntegration ChecklistAuthenticationRequest OAuth TokenpostValidate OAuth TokengetRevoke OAuth TokenpostFront-end Order CreationCheckout Session ConfirmputCheckout ClientCheckout Session CreatepostHpp Checkout Session CreatepostGet AuthorizationgetBack-end Order CreationCreate OrderpostGet Legal FormsgetOrder States & Decline ReasonsOrder ManagementCancel OrderpostGet Order DetailsgetUpdate OrderpostInvoice StatesCapturesGet InvoicegetConfirm Invoice PaymentpostCreate InvoicepostUpdate InvoicepostRefundsCancel InvoicedeleteCreate Credit NotepostWebhooksPlugins & SDKOverviewShopware IntegrationJTL IntegrationWooCommerce IntegrationSDK IntegrationIntegration via PartnersKlarnaKlarna Payments via APIKlarna Payments via ComputopKlarna Checkout IntegrationMollieGo-Live via Direct IntegrationGo-Live ChecklistMaterial for GermanyCheckout Design GuideModel Clauses for T&CsBillie Shipping Policy (delivery and return)Invoice DescriptionGo-Live via PartnerGo-Live ChecklistsIntegration via KlarnaIntegration via MollieMaterial for GermanyCheckout Design GuideLegal NoteInvoice DescriptionMaterial for SwedenModel Clauses for T&CsInvoice DescriptionSDK Integration Integrate Billie quick and easy into an existing codebase using our Billie PHP SDK. Browse SDK
](https://files.readme.io/065cec6-icn-sdk.svg)
