PayPal Express Checkout - 2012 Guía de usuario descargar pdf (Pagina 49)

Express Checkout Integration Guide August 7, 2012 49

Obtaining API Credentials

To use the PayPal API, you must have API credentials that identify you as a PayPal Business

or Premier account holder who is authorized to perform various API operations. Although you

can use either an API signature or a certificate for credentials, PayPal recommends you use a

signature.

IMPORTANT: Although you can have both a signature and certificate, you cannot use both at

the same time.

Creating an API Signature

An API signature consists of an API username along with an associated API password and

signature, all of which are assigned by PayPal. You need to include this information whenever

you execute a PayPal API operation.

You must have a PayPal Business account to create a signature.

To create an API signature:

1. Log in to PayPal, then click Profile under My Account.

2. Click My selling tools.

3. Click API Access.

4. Click Request API Credentials.

5. Check Request API signature and click Agree and Submit.

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PayPal Express Checkout - 2012 Guía de usuario Pagina 49