Integrating PayPal into SAP Hybris

Hybris is a subsidiary of German software company SAP. It is headquartered in Zug, Switzerland. This SAP Hybris is used for enterprise, e-commerce, multichannel e-commerce and product content management (PCM) software. Hybris was founded in the year of 1997 by Mr. Carsten Thoma, Moritz Zimmermann and Klaas Hermanns.

Integrating PayPal into SAP Hybris e-commerce suite

At First we have to create a PayPal extension in Hybris by using ANT extgen. After creating go through with below steps:

• Create a seller and also a buyer account in PayPal sandbox environment. “www.sandbox.paypal.com.”
• Download the certificate for the seller account for accessing the API.
• Do the transaction by using Express Checkout API.
• Express checkout API consists of three parts:
• SetExpressCheckout
• GetExpressCheckout
• DoExpressCheckout.

• Request DTO’s are created for SetExpressCheckout, GetExpressCheckout, and   DoExpressCheckout.
• Response DTO’s are created for SetExpressCheckout, GetExpressCheckout, and DoExpressCheckout.
• Service classes are created for SetExpressCheckout, GetExpressCheckout, and DoExpressCheckout.
• During the first call or during the first request to Express Checkout we pass the following parameters:

• Total amount
• Currency code
• Return URL
• Cancel URL
• Payment action.
• As an Acknowledgment, it returns a Token in the form of response.
• During the second call or request to the Express checkout, the token is appended with sandbox URL and the customer is redirected to the sandbox site.
• As response PayPal returns Token, Payer ID, and Email ID.
• During the third call or request to Express Checkout we pass the following parameters:

• Total amount
• Currency code
• Payment action
• Token
• Payer ID.
• As response PayPal returns Transaction ID, Transaction Status and Pending Reason.
• Mention the API username, API password, Certificate path and Proxy settings in local. properties.
• In order to confirm the completion of transaction, log into the PayPal buyer account and check the payment details.