How do I successfully complete an Express Checkout API call?
For complete examples and details for your finalized Express Checkout call, go to PayPal Express Checkout Integration.
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Why did I get API error code 10411?Issue PayPal returned API error code 10411 - This Express Checkout session has expired. Token value is no longer valid. Cause The default lifetime of your Express Checkout token is three hours, and your payment wasn't completed within that time. Solution Check that you're performing a proper Express Why did I get API error code 10423?Issue PayPal returned API error code 10423 - This transaction cannot be completed with PaymentAction of Authorization. Causes The following errors can produce error code 10423: You set PaymentAction to "Sale" with SetExpressCheckout at the first API call. If you receive this error at the DoExpressCheckout API call, Why did I get API error code 10443?Issue PayPal returned API error code 10443 - Transaction refused because of an invalid argument. See additional error messages for details. Causes The following errors can produce error code 10443: You set PaymentAction to "Sale" with SetExpressCheckout at the first API call. If you receive this error at How do I integrate Express Checkout with PrestaShop?Here's how: Log in to your PrestaShop admin panel. Select Modules > Modules and Services. Click Installed modules. Click Configure next to PayPal USA, Canada (under Recommended Payment Gateways). Note: If you do not have the PayPal USA module installed, it is available at: https://addons.prestashop.com/en/payment-card-wallet/8277-.html Select Enabled for Why did I get API error code 10485?Issue PayPal returned API error code 10485 - User did not authorize the payment. Cause The payer wasn't redirected to PayPal, so the user didn't authorize the payment. Solution Redirect the payer to PayPal after calling the SetExpressCheckout API command to complete the payment. To learn more about How do I get started with PayPal APIs and SDKs?An Application Programming Interface (API) is a safe gateway to use a company’s code or tool to accomplish a task. Using an API, you can get the local weather, check incoming flights with a certain airline, create a Google Map, or create a payment with PayPal. Requests How do I integrate Express Checkout with osCommerce?When you integrate Express Checkout with osCommerce, customers are transferred to PayPal, where they enter their payment information. All credit card and PayPal transactions take place on a PayPal checkout page. Here's how to integrate osCommerce with Express Checkout: Log in to your osCommerce admin panel. Click Modules. How do I integrate Express Checkout with Zen Cart?Here's how: Log in to your Zen Cart admin panel. Select Modules > Payment. Select the PayPal Express Checkout module, then click Install if it's not currently installed. Configure the following settings: Enable Express Checkout Module - Set to True. Payment Zone - Select the zone you prefer, How do I integrate PayPal Express Checkout with WooCommerce Express Checkout?WooCommerce support for PayPal Express Checkout requires an additional plugin for integration. You can use your preferred plugin to integrate. Here's how to perform the integration using WooCommerce Express Checkout: Download the plugin from the WordPress page: WooCommerce PayPal Express Checkout Payment Gateway. Log in to your WordPress How do I integrate Express Checkout with Yahoo Merchant Solutions?Here's how: Log in to your Yahoo admin panel. Click Store Control Panel. Click Payment Center under Order Settings. Click Add New Processor. Select Sign Up For PayPal Express Checkout. Click Sign Up for PayPal Express Checkout. Log in with your email address and the password of your How do I integrate PayPal Express Checkout with VirtueMart?Here's how: Log into your VirtueMart admin panel. Click VirtueMart > Payment Methods. Click New. Configure the following settings: Payment Name - Enter a Payment Name. Published - Select Yes. Select VM Payment - Select PayPal for the payment method. Currency - Select your preferred Currency for PayPal Why did I get API error code 10417?Issue PayPal returned API error code 10417 - Transaction cannot complete - "Instruct the customer to retry the transaction using an alternative payment method from the customer's PayPal wallet" or "The transaction did not complete with the customer's selected payment method." Causes The customer's credit card failed bank How do I integrate PayPal Express Checkout with Magento 2.0?Here's how: Log in to your Magento admin panel. Click Stores. Click Configuration. Click Sales. Click Payment Methods. Click Configure for PayPal Express Checkout. Configure the following settings to complete your PayPal Express Checkout integration: Email Associated with PayPal Merchant Account - Enter your PayPal email address. Authentication How do I integrate Payflow Pro (API Edition) with Volusion?When you integrate Payflow Pro (API Edition) with Volusion, your customers pay with their credit card while still on your site. Here's how to integrate Payflow Pro (API Edition) with Volusion: Log in to your Volusion admin panel. Select Settings > Payment. Fill out the following fields on the How do I integrate Express Checkout with 3dcart?Before you begin, configure your PayPal account settings. Set up PayPal To set up Express Checkout, you must set up PayPal Payments Standard first. Here's how: Log in to your PayPal account. Set the Contact Telephone Number as the cart requires: Select Profile > Profile and settings. Click How do I integrate Payflow Pro (API Edition) with Volusion v2?When you integrate Payflow Pro (API Edition) with Volusion, your customers pay with their credit card while still on your site. Here's how: Log in to your Volusion admin panel. Select Settings > Payment. Fill out the following fields on the Payment Gateway tab: Gateway Country - Select How do I create a one-time payment with Express Checkout?This article describes how to complete an Express Checkout transaction using the Set-Get-Do series of API operations. For demonstration purposes, this article makes requests using the PayPal Sandbox. For information on making calls using the NVP/SOAP APIs, including obtaining the needed API credentials and how to make test How do I integrate Payments Pro with Angell EYE for WooCommerce?Disclaimer: This integration requires you to download and install a payment module before proceeding. You should also back up your site to ensure a safe recovery path in case installation issues arise. PayPal strongly recommends that a qualified network or systems admin install the module, to protect against Where can I find a glossary of PayPal technical terms?The following sections describe the most commonly used PayPal technical terms. A API (Application Programming Interface) A SOAP or REST Web Service that operates in a request-response format over HTTPS. API Certificate See Creating and managing NVP/SOAP API credentials. API profile See Going live with your application.
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