When using international Alipay account, in fact, the use of domestic and similar accounts. The difference is that the public key to upload different.
Alipay account domestic platform provides developers can log in, upload the public key. But international Alipay payments can only be uploaded through international technology, their PID and generated public key can email to Alipay international technology ([email protected]). After the upload process just like normal domestic same. Introducing SDK, Demo for complete reference.
* Note: If you do not upload technology through Alipay international public, but according to domestic procedures to upload, payment can be done, Alipay account can also receive payment. But the callback URL set that can not receive callback data, so the case has been in the order of payment will be submitted in the use of customs.
For generating keys, Alipay provides a secret key generator, currently recommended safer PKCS8 2048's. Once you have configured the private key of APP, and after uploading the public key, but also to the callback URL for processing.
NSString *partner = @"2088开头的PID";
NSString *seller = @"PID"