Enabling the PayPal APIs for Yahoo
In order to use PayPal as a payment method from your site, Yahoo needs to be able to communicate with PayPal on your behalf. This communication happens by using several PayPal APIs (application programming interface) which allow the two separate systems to communicate securely using an agreed upon format. Each set of actions either performed by a buyer (logging in to PayPal from a link on a merchant's site) or a merchant (capturing funds for an order) requires the use of PayPal APIs.
As part of the process of setting up PayPal, you must log in to PayPal and enable the PayPal APIs that are specific to the Yahoo integration.
To enable API access with PayPal:
- From the Store Manager, click the "Payment Center" link appearing in the Order Settings column.
- Choose your PayPal payment processing method (PayPal Express Checkout or PayPal Payments Pro).
- Sign into your PayPal account.
- You will be asked to agree to give Yahoo Merchant Solutions permission to contact PayPal and process payments on your behalf. Click "I Agree." This will give permission to Yahoo to make calls on your behalf to PayPal for performing various functions (refunds, sales, voids, authorizations, etc.).
If you enable API access with PayPal and later change your email address with PayPal, this will cause a communication error between the systems. Customers using PayPal as a payment method may not be able to complete their order with this payment method. Merchants should not change their email address with PayPal once the PayPal APIs are enabled.If you've changed your email address with PayPal and are experiencing problems, please do the following:
- In your Payment Center, delete PayPal as a payment option.
- Next, click on the "Add New Processor" button.
- Re-add PayPal as a payment method for your store.
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