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On August 17th, PayPal announced the Migration to DigiCert Root Certificates to address upcoming changes that major web browser and operating system providers will be making to remove trust for Symantec root certificates. As of today, we’re happy to announce that PayPal has migrated critical endpoints to the new DigiCert…

Major web browser providers have begun the process to reduce and then remove trust for Symantec root certificates. These changes will impact the Symantec root certificates currently used to sign PayPal’s TLS certificates for www.paypal.com and www.paypalobjects.com. We are working to update the certificates for these endpoints using trusted DigiCert…

In this tutorial we’re going to learn how to set up the PayPal Android SDK to process a simple payment via either a PayPal payment or a credit card purchase. …

This blog is organized as follows: Introduction to A/B Testing Next Generation PayPal Experimentation Platform Next Generation PayPal Experimentation Analytics Platform Hypothesis Testing Null Hypothesis Z-Test Z-Score Two-Sample Z-Test P-Value P-Value of a Two-Tailed Z-Test Druid Druid Post Aggregators zscore2sample pvalue2tailedztest Implementation of Druid Post Aggregator for Two-Sample Z-test Druid…

squbs (pronounced “sqewbs” and rhymes with “cubes”) has already made past headlines (details) for its great performance and scalability. squbs 0.9 is the biggest update to squbs yet. It paves the road towards squbs 1.0. The updates in squbs 0.9 covers the following areas: Full migration from Spray to Akka…

As we move forward with adopting Apache Beam for some of our streaming needs, our Beam applications need to be tested for stability. Such tests are aimed at ensuring performance does not degrade over time, and applications are capable of maintaining desired performance characteristics (e.g., latency) as they run over…

Aishwarya Natarajan and Dana Li, both Stanford University graduates, spent the summer of 2016 training with the PayPal Online Payment Product team as Product Management interns. They are coming back as full-time PayPal employees in Product Management in 2017, having successfully completed their Masters degrees in Management Science and Engineering…

Until recently, if you have been using the PayPal REST APIs to process payments, you will have seen that the money transacted is always paid to the app owner, known as the payee or receiver. …

PayPal’s Braintree is a core building block for accepting payments on the web, enabling merchants to accept PayPal, credit cards, 3D Secure, Apple Pay, Android Pay, and more. This year, we introduced a new version of our Braintree JavaScript SDK (Software Development Kit). With numerous improvements such as a smaller…