PayPal iOS SDK
Important: PayPal Mobile SDKs are now Deprecated and only existing integrations are supported. For all new integrations, use Braintree Direct or Express Checkout.
Please refer to Mobile SDKs Overview for information on PayPal's native mobile SDKs.
The PayPal iOS SDK, sample app, and README (with integration instructions) can all be found in the PayPal iOS SDK repository on GitHub.