This is multi module Java SDK for eBay APIs. Currently, only core and order module are developed, any contribution on other modules will be very welcomed.
In this module, you can perform calls to Order APIs described here
In order to call initiate checkout endpoint, you need to get an auth token first. Please refer here for details.
EbayOrder ebayOrder = new EbayOrderClient("<your_auth_token>");
InitiateCheckoutSessionRequest initiateCheckoutSessionRequest = new InitiateCheckoutSessionRequest();
Address shippingAddress = new Address();
shippingAddress.setAddressLine1("Barbaros Mh. Cigdem Sk. 1/14");
shippingAddress.setCity("Istanbul");
shippingAddress.setStateOrProvince("Atasehir");
shippingAddress.setPostalCode("34000");
shippingAddress.setCountry("TR");
shippingAddress.setRecipient("GG Technology");
shippingAddress.setPhoneNumber("111 222 33 44");
List<LineItemInput> lineItemInputs = new ArrayList<>();
LineItemInput lineItemInput = new LineItemInput();
lineItemInput.setQuantity(1);
lineItemInput.setItemId("v1|112086208159|411034601062");
lineItemInputs.add(lineItemInput);
initiateCheckoutSessionRequest.setShippingAddress(shippingAddress);
initiateCheckoutSessionRequest.setLineItemInputs(lineItemInputs);
CheckoutSessionResponse checkoutSessionResponse = ebayOrder.initiateCheckoutSession(initiateCheckoutSessionRequest);