Getting your PayPal API Credentials
support, ws.webtv, home, store, api, credentials, paypal
1. Log into PayPal.
2. In the Summary screen, under Selling Tools, click Seller Preferences.
3. In the next screen, click Change, at the right of API Access:
4. On the "API Access" page click Request API credentials (Option 2):
5. On the "Request API Credentials" page check Request API Signature and click Agree and Submit:
6. On the "View or Remove API Signature" page copy the API Username, API Password and Signature and paste them into the corresponding fields of Store > Configuration > PayPal tab (and save de configuration); then click on "Done":