The PayPal Invoicing PHP SDK by PayPal allows developers to integrate the PayPal Invoicing API into their PHP projects and applications. This SDK requires PHP 5.2 or greater and the curl/openssl PHP extensions.
Google has released a Google Card Linked Offers API that allows merchants to drive customer loyalty by providing targeted offers to customers who save their loyalty card to Android Pay. Card Linked Offers are displayed to customers within the loyalty card view of Save to Android Pay.
SparrowOne has opened access to its managed payments services through its new Services API. The API allows for simple, HTTP POST access to SparrowOne's payment gateway. The API is expected to greatly reduce the time and effort needed for partner and client integration solutions.
Before you head off into your weekend, here is another edition of ProgrammableWeb's "Briefly, In other API Economy News". Today we cover new mapping developer tools from WRLD, GitHub's open source survey results, Stripe's new SQL tool and Google's collaboration with Warner Bros to get girls to code.