How to Build Your Own PayPal
Replace PayPal with a custom build. Pay, send, and save smarter
Build Difficulty: 4/5
A few focused days to build a solid replacement
Estimated Timeline
Based on 66 features at Few Days difficulty, expect about 3-5 days with AI-assisted development.
Recommended Tech Stack
Full-stack React framework with API routes and server components
PostgreSQL database, auth, and real-time subscriptions
Utility-first styling for rapid UI development
Key Features to Replicate
Top features across 8 categories. See all 66 features
API(7 features)
Get transaction details via transaction ID at the time of payment or later
Get real-time purchase confirmation via server-to-server communications
Enables sending of one or more payments at a time with a fast, flexible, and automated method to pay out multiple payments
Receive notification and details of successful transactions as they are made
Automates the refund process by accepting parameters for a refund and performing the refund
+2 more in this category
Reporting(6 features)
Easily find a particular transaction or subset of transactions
Download transaction history into various file formats for financial settlements, reconciliation, and fulfillment
View a secure and detailed online record of PayPal transactions
View or download a summary of all credits and debits that affect account balance each month
Automatically schedule regular times to download daily log of transactional activity for fulfillment purposes
+1 more in this category
Credit Products(5 features)
Earn rewards to pay seller fees when using the eBay Mastercard
Credit card offering 3% cash back when checking out with PayPal and 1.5% on all other Mastercard purchases
Travel credit card with special financing on qualifying travel purchases and pay over time options
Earn rewards when using a PayPal Extras Mastercard
Apply and instantly find out if approved for PayPal Smart Connect to get increased PayPal protection on purchases and financing options for high-ticket items
Money Transfer(5 features)
Make instant electronic payments to a large number of recipients at once
Pool money up front for group gifts and other shared expenses
Easily request money from anyone with an email address
Securely send money to anyone with an email address in seconds
Simply split the bill with friends and family
Payment Processing(4 features)
Easily accept credit card and bank account donations with a payment button or email link
Get paid faster by putting payment buttons in Outlook or Outlook Express email messages
Conveniently send a full or partial refund to buyer for up to 60 days after receiving a payment
Accept recurring payments with flexible, automated billing
Checkout(3 features)
Bring buyers back to your site immediately after they pay to get more upsell opportunities
Make signing up for a PayPal account optional for buyers to increase customer satisfaction and completed sales
Customize your payment page with your colors and images for a seamless checkout experience
Developer Tools(3 features)
Find all the latest technical information about developing ecommerce applications and websites with PayPal
Provides technical information and resources for an online community of PayPal developers and designers
Try out payment applications including Website Payments, IPN, and APIs in a self-contained testing environment
Ecommerce Tools(3 features)
Enable ecommerce on your website by letting customers buy single items quickly
Let customers browse selections and buy multiple items off your website
Enable subscribers to access members-only content on your site
Cost Calculator
Pricing data not available for PayPal. Check their website for current pricing.