How do I request API Signature or Certificate credentials?

For Business accounts only

Here's how to request API Signature or Certificate credentials for your PayPal account:

  1. Go to your Account Settings.
  2. In the "API access" section, click Update.
  3. Click Manage API credentials under "NOV/SOAP API integration".
  4. Select one of the following options, then click Agree and Submit.
    • Request API Signature – Select for API Signature authentication.
    • Request API Certificate – Select for API Certificate authentication.
  5. PayPal generates your API credentials as follows:
    • API Signature credentials include an API Username, API Password, and Signature, which does not expire. These values are hidden by default for added security. Click Show/Hide to toggle them on and off. When finished, click Done.
    • API Certificate credentials include an API Username, API Password, and Certificate, which expires automatically after three years. Click Download Certificate to save the API Certificate to your desktop.
For more details about managing and using the PayPal APIs, please visit PayPal Developer website.