PayPal Developer Blog

The latest PayPal Developer releases, resources, and community updates

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News

Technology

PayPal Begins Rollout of MCP Servers to Accelerate Agentic Commerce

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Prakhar Mehrotra

Apr 02, 2025

4 min read

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Technology

Learning

Improved Integration Experience with Advanced Server-Side SDKs

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Todd Hashimoto

Mar 25, 2025

3 min read

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News

PayPal Dev Days 2025: Building Smarter Commerce

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Dibyani Das

Mar 20, 2025

5 min read

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PayPal Begins Rollout of MCP Servers to Accelerate Agentic Commerce

At PayPal, we strive to make it easier for developers to access our services. Today, we are taking the first step to allow developers to embrace…

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Prakhar Mehrotra

2 weeks ago

4 min read

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Improved Integration Experience with Advanced Server-Side SDKs

We are thrilled to launch our next generation of PayPal Server-Side Software Development Kits (SDKs), which will vastly improve the integration …

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Todd Hashimoto

3 weeks ago

3 min read

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PayPal Dev Days 2025: Building Smarter Commerce

We are thrilled to host our next Dev Days. PayPal hosted its inaugural developer conference last year and it was a tremendous experience for all…

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Dibyani Das

3 weeks ago

5 min read

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Building the Future of Stablecoin Interoperability: PYUSD and LayerZero

Moving stablecoins cross-chain using bridges is expensive, risky, and slow. With PYUSD’s new LayerZero integration, you can now programmatically…

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PayPal Tech Blog Team

3 weeks ago

6 min read

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Breaking New Ground: Winning Solutions from the PYUSD Portal Hackathon on Solana

The first-ever Global PYUSD Portal Hackathon brought together over 250 developers from around the world to explore innovations using PayPal USD …

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PayPal Tech Blog Team

4 weeks ago

5 min read

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How converting and accepting multiple currencies works with PayPal

With over 160 currencies in circulation globally, the ability to manage currency conversion and accept multiple currencies has become vital for …

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Dibyani Das

2 months ago

5 min read

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Enhancing your Shopify Experience with PayPal Checkout

PayPal Checkout [https://developer.paypal.com/docs/checkout/] with Shopify is a smart way to make the shopping experience smoother for both you …

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Dibyani Das

2 months ago

4 min read

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Testing Your PayPal Integration: Best Practices

Integrating PayPal into your website or app is a powerful way to offer customers a seamless and secure payment experience. Whether you're adding…

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Dibyani Das

3 months ago

4 min read

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Modernize Your WordPress Payments with PayPal's Advanced Checkout

In ecommerce, secure and seamless payments are essential for a great customer experience. WordPress makes website creation easy with its flexibi…

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PayPal Tech Blog Team

4 months ago

7 min read

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Master QuickBooks Online Integration with PayPal for Seamless Payment Processing

QuickBooks Online is a leading accounting software developed by Intuit that allows businesses to track income, manage expenses, and stay tax-rea…

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PayPal Tech Blog Team

4 months ago

7 min read

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Breaking New Ground: Winning Solutions from the PYUSD Portal Hackathon on Solana

The first-ever Global PYUSD Portal Hackathon brought together over 250 developers from around the world to explore innovations using PayPalUSD (…

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Mehak Jethmalani

4 months ago

5 min read

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How to use ENS Names for Easy PYUSD Payments

Sending crypto payments to Web3 wallet addresses can be cumbersome and prone to errors. However, using simpler ENS names over PayPal and Venmo m…

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Mehak Jethmalani

5 months ago

7 min read

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Understanding the PayPal API Error: PERMISSION_DENIED

For merchants integrating PayPal's robust platform into their e-commerce operations, understanding and troubleshooting API errors is crucial. On…

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PayPal Tech Blog Team

5 months ago

3 min read

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Understanding the INVALID_RESOURCE_ID Error in PayPal APIs

When working with PayPal APIs, you might encounter various error messages that can be both perplexing and frustrating. One common error is the '…

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PayPal Tech Blog Team

5 months ago

5 min read

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Understanding the ‘INVALID_REQUEST’ Error in PayPal REST APIs

When working with PayPal REST APIs, you might encounter various errors that can disrupt your operations. One such error is the "INVALID_REQUEST"…

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PayPal Tech Blog Team

5 months ago

2 min read

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Understanding and Resolving PayPal API Error: INVALID_CART_TOTAL

As an online merchant, encountering API errors can be a frustrating experience, especially when they disrupt the smooth flow of transactions for…

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PayPal Tech Blog Team

5 months ago

3 min read

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Understanding and resolving the PayPal AUTHORIZATION_ERROR

In the world of online transactions, ensuring secure and seamless payment processes is crucial for both merchants and customers. PayPal, a leadi…

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PayPal Tech Blog Team

5 months ago

2 min read

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Introducing the PayPal Developer Referral Program

We’re thrilled to introduce the PayPal Developer Referral Program. This program offers developers the opportunity to earn commission for each me…

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Jean-Marc Touch

6 months ago

1 min read

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Pay by Bank for E-Commerce | Using Bank Accounts to Make Purchases with SMBs [SEPA]

Starting in early 2025, PayPal will offer SEPA payments on the PayPal Complete Payments platform along with other payments options such as Apple…

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PayPal Tech Blog Team

7 months ago

5 min read

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Fastlane Integration Paths for PayPal Complete Payments

In today’s digital economy, having streamlined payment processes is crucial for maintaining competitiveness and meeting customer expectations. E…

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PayPal Tech Blog Team

7 months ago

7 min read

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Introduction to GraphQL

Software developers constantly explore innovative methods to enhance client-server interactions as web and mobile applications evolve. One of th…

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PayPal Tech Blog Team

7 months ago

7 min read

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Pay by Bank for E-Commerce | Using Bank Accounts to Make Purchases with SMBs [ACH]

Starting early 2025, PayPal will begin offering ACH payments on PayPal Complete Payments (PPCP). With this launch, small and medium sized busine…

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PayPal Tech Blog Team

8 months ago

5 min read

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Exploring the Growth of Real Time Payment Systems

Real-time payments (RTP) are transforming the financial landscape, setting a new standard for how money moves between consumers and businesses. …

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PayPal Tech Blog Team

8 months ago

5 min read

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Effortless Integration with Fastlane by PayPal: How Developers Accelerate Merchant Success

Introduction In the fast-paced digital era where every second counts, a seamless integration experience is not just a convenience—it's a necess…

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PayPal Tech Blog Team

8 months ago

5 min read

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A Faster Guest Checkout: How to Integrate Fastlane by PayPal

Welcome to our comprehensive integration guide for Fastlane by PayPal, the accelerated guest checkout solution on the PayPal Complete Payments p…

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Dibyani Das

8 months ago

8 min read

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Build with PYUSD on Solana - Announcing the inaugural Global PYUSD Portal Hackathon with Solana — and 40,000 PYUSD in prizes.

This past May, PayPal announced that PYUSD was live on Solana [https://pyusd.mirror.xyz/TpEwPNybrwzPSSQenLtO4kggy98KH4oQRc06ggVnA0k], marking a …

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PayPal Tech Blog Team

9 months ago

3 min read

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Developer Day for Fastlane by PayPal: A Masterclass of Innovation

Get ready for an exclusive, transformative experience at PayPal's Developer Day in San Jose on August 20th 2024. Earlier this year, PayPal intro…

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PayPal Tech Blog Team

9 months ago

5 min read

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Integration Upgrades Made Easy with PayPal API Transformer

As technology improves, so must PayPal. REST and JSON have become the standard for web and mobile development because of their flexibility, perf…

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PayPal Tech Blog Team

10 months ago

5 min read

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Simplifying PayPal USD Cross-Chain Transfers Between Ethereum and Solana with PayPal or Venmo

As the cryptocurrency landscape evolves, seamlessly moving PayPal USD (PYUSD) between blockchains becomes increasingly important. Now that PYUSD…

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PayPal Tech Blog Team

11 months ago

3 min read

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PayPal USD on Solana Quick Start

What Is PYUSD? PayPal USD (PYUSD) is an open, fully backed, U.S. dollar-denominated stablecoin designed for payments. It was created to provide…

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PayPal Tech Blog Team

11 months ago

6 min read

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Unveiling an Interactive Integration Experience for Faster Development

We're thrilled to launch our interactive integration experience. This revamped platform tackles the key challenges developers face when integrat…

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Asish Mohanty

11 months ago

3 min read

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From clicks to cash: Embracing No-Code Checkout solution for effortless online transactions

If you're a developer working on behalf of a merchant or business owner yourself, No-Code Checkout experiences will save you time and effort int…

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PayPal Tech Blog Team

12 months ago

5 min read

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Continuing the Journey with PayPal APIs – Navigating Common Challenges and Solutions

Introduction  Welcome back to the ongoing exploration of PayPal APIs—a series dedicated to empowering developers with insights and solutions fo…

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PayPal Tech Blog Team

2 years ago

4 min read

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Be the First to Experience: AI-Powered Search on Developer Portal

If you've ever navigated PayPal's developer documentation, you might have encountered the challenge of locating that elusive piece of informa…

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PayPal Tech Blog Team

2 years ago

3 min read

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PayPal Server-side SDKs: Navigating the Transition to Private Visibility

PayPal, a pioneering force in online transactions, will be undergoing a transition regarding its server-side SDKs. This will include removing de…

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PayPal Tech Blog Team

2 years ago

3 min read

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Shift Left - A Paradigm in Software Quality Assurance

Agile methodologies emphasize iterative and collaborative approaches, requiring a shift in the way testing is integrated into the software devel…

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Karan Mehta

2 years ago

6 min read

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Using the PayPal Stablecoin, PayPal USD for Commerce

In August 2023, PayPal announced the launch of PayPal USD (PYUSD), a U.S. dollar denominated stablecoin designed for payments. PYUSD is 100% bac…

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PayPal Tech Blog Team

2 years ago

6 min read

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Embracing the Future: Get Ready for New PayPal Innovations

Earlier today, PayPal revealed several product innovations [https://www.paypal.com/us/whats-new/first-look] set to revolutionize commerce, again…

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PayPal Tech Blog Team

2 years ago

2 min read

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Unveiling the Power of PayPal APIs: A Developer's Guide to Seamless Transactions

In today's digital ecosystem, the integration of seamless and secure payment solutions stands as a cornerstone for developers navigating the fas…

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PayPal Tech Blog Team

2 years ago

3 min read

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Streamline Integration with PayPal VS Code Extension

In the ever-evolving landscape of software development, productivity and efficiency have become paramount to success. Developers are constantly …

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Asish Mohanty

2 years ago

3 min read

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Welcome to the PayPal Developer Community

At PayPal, we deeply understand that developers are the cornerstone of groundbreaking solutions. In recognition of this, we are thrilled to unve…

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PayPal Tech Blog Team

2 years ago

3 min read

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Building a Customizable Messaging Platform

Communication is an important part of human life. It helps resolve issues quickly, get answers to our questions and simply exchange ideas. In t…

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PayPal Tech Blog Team

2 years ago

10 min read

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Developer Updates - December Edition

Our goal is to empower developers and we've undertaken initiatives in the past year to equip you with the essential tools and resources, streaml…

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Farshad Tavakoli

2 years ago

3 min read

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Declarative Feature Engineering at PayPal

PayPal supports over 400 million active consumers and merchants worldwide. Every minute there are several thousand payment transactions. To prev…

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Marina Lyan

2 years ago

4 min read

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Developer Updates – November Edition

RECENT UPDATES PayPal VS Code Extensions Meet the PayPal VS Code Extension [https://marketplace.visualstudio.com/items?itemName=PayPal.vscode-paypal…

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Farshad Tavakoli

2 years ago

3 min read

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Managing Recurring Payments with Apple Pay Using PayPal

Recurring payments have become an integral part of the modern digital economy, offering convenience and predictability for both consumers and bu…

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PayPal Tech Blog Team

2 years ago

4 min read

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Developer Updates – October Edition

RECENT UPDATES PayPal with GitHub Codespaces PayPal is making integration a breeze with the GitHub Codespaces. Simplify configuration, tackle …

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Farshad Tavakoli

2 years ago

3 min read

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Accept E-Commerce Payments Easily with PayPal’s Buttons Component

Accepting online payments is now a universal must-have, catering to everyone from solo entrepreneurs to massive global corporations. PayPal Che…

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Arit Amana

2 years ago

9 min read

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Why You Should Attend PayPal’s Developer Meetup at Money20/20

The world of technology is constantly evolving, and developers are at the forefront of this dynamic landscape. Staying updated on the latest tre…

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PayPal Tech Blog Team

2 years ago

4 min read

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PayPal Streamlines Checkout Integration Workflows with GitHub Codespaces

In the fast-paced digital payment world, seamless integration is essential for developers aiming to embed PayPal into their applications. This i…

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Nikema Prophet

2 years ago

3 min read

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Developer Updates – September Edition

RECENT UPDATES Checkout Integration Workflows with GitHub Codespaces GitHub Codespaces with PayPal solutions allows for seamless integrated, c…

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Farshad Tavakoli

2 years ago

3 min read

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Graph Usage in Combating ATO Fraud Risk

INTRODUCING ATO AND GRAPH Account takeover is a fraud risk in online payments that PayPal takes seriously and works actively to preempt to prot…

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Xinyu Zhang

2 years ago

6 min read

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Scaling Kafka to Support PayPal’s Data Growth

Apache Kafka is an open-source distributed event streaming platform that is used for data streaming pipelines, integration, and ingestion at Pay…

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Monish Koppa

2 years ago

16 min read

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Developer Updates – August Edition

RECENT UPDATES Introducing PayPal’s OpenAPI Specifications We are excited to announce the public release of PayPal APIs in OpenAPI 3.0 format.…

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Farshad Tavakoli

2 years ago

2 min read

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The next generation of Data Platforms is the Data Mesh

Here’s why. As enterprises become more agile, centralization appears more and more as a thing of the past world, a waterfall world. The same ap…

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Jean-Georges Perrin

2 years ago

14 min read

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Developer Updates – July Edition

RECENT UPDATES Get a quick start with PayPal APIs Looking to start your API integration journey with PayPal? Checkout the new “Get started” pa…

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Farshad Tavakoli

2 years ago

2 min read

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Developer Updates – June Edition

RECENT UPDATES Expanding PayPal’s API footprint to partners We’ve made a big step in expanding PayPal's Public Postman Collection to include P…

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Farshad Tavakoli

2 years ago

3 min read

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Intro To JavaScript Service Workers

If you have been working with web applications and used progressive web applications most likely you have heard the term Service Worker. If you …

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Patricio Vargas

2 years ago

6 min read

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PayPal No-Code Estimates: Get on the Same Page!

There is a useful precursor to sending a client an invoice, and that is sending an estimate. Estimates allow you to establish a full agreement w…

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Arit Amana

2 years ago

4 min read

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PayPal Has Updated Its Webhook Verification Endpoint

TL;DR;PayPal requires that all the webhook notification messages it sends be verified by the webhook listener receiving these messages. This re…

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Arit Amana

2 years ago

3 min read

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Developer Updates – May Edition

RECENT UPDATES Unblocking the Power of JunoDB We are excited to release JunoDB as open source! JunoDB is a key-value store that provides highl…

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Farshad Tavakoli

2 years ago

3 min read

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Words All the Way Down — Conversational Sentiment Analysis

At PayPal, as customer champions, we believe in leaving no stone unturned to delight our customers. Even when millions of contacts are establish…

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Bineet Ranjan

2 years ago

10 min read

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Developer Updates - April Edition

PayPal Developer is here to make integrating PayPal into mobile and web applications faster and easier for developers of all experience levels b…

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Farshad Tavakoli

2 years ago

3 min read

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Apple Pay Integration Options with PayPal

Apple Pay® is a popular, fast and secure way for customers to check out in stores, within apps and on websites. We are excited to let you kn…

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Farshad Tavakoli

2 years ago

4 min read

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PayPal Dev Dashboard Improvements, Round Three

From the desk of Colin Walker... Continuing in our series of Dev Dashboard improvements, we're excited to deliver even more good news about exp…

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Christina Monti

2 years ago

3 min read

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Developer Updates - March Edition

As our developer community experiences greater demands and tighter timelines, PayPal Developer is here to make integrating PayPal into mobile…

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Farshad Tavakoli

3 years ago

3 min read

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How to add PayPal checkout payments to your React app

Have you always wondered how to monetize your web applications 🤑? Time to start making those benjamins 💸💸. In this how-to guide, you will lea…

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Patricio Vargas

3 years ago

9 min read

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Dev Dashboard Improvements, Round Two

If you happened to catch the last post [https://developer.paypal.com/community/blog/dev-dashboard-improvements-abound] about our efforts to make…

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PayPal Tech Blog Team

3 years ago

3 min read

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PayPal No-code Invoicing to Simplify Your Life! 😮‍💨

Every developer I know (ok, most developers 😅) seeks ways to accomplish tasks more efficiently. The rise of no- and low-code tooling is empower…

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Arit Amana

3 years ago

4 min read

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Dev Dashboard Improvements Abound!

If you’re a developer or engineer that’s integrated any PayPal functionality in your work, you’re likely already familiar with our developer das…

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Christina Monti

3 years ago

5 min read

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How to add donations to your website with PayPal's Donate SDK

LOW-CODE DONATION INTEGRATION USING PAYPAL'S DONATE SDK Follow step-by-step instructions to create a Donate button and donation page that’s fun…

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Nikema Prophet

3 years ago

6 min read

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Start Selling Subscriptions From Your Website FAST!

In this guide, we will show you how to get subscriptions to your products and services up and running fast! PayPal provides a straightforward wa…

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Arit Amana

3 years ago

4 min read

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GraphQL: A Success Story for PayPal Checkout

At PayPal, we recently introduced GraphQL to our technology stack. If you haven’t heard of GraphQL, it’s a wildly popular alternative to REST A…

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PayPal Tech Blog Team

7 years ago

7 min read

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