Documentation
API Reference
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Overview
Getting Started
Order and Transaction Concepts
Payment Actors and Flow
Orders
Transactions
Authorize
Identifiers
Cardholder and Merchant Initiated Payments
Choosing an Integration Method
API Reference
Accessing the API
Integration Types
<<checkout>>
Integration Steps
Establishing a Session
Implementing the <<hostedPaymentPage>>
Subsequent Operations
Interpreting the Response
Customizing the Checkout
Customizing the Payment Experience
Improving Accessibility
Customize Redirect and Retry Behavior
Integrate Apple Pay in Hosted Checkout
Integrate Google Pay in Hosted Checkout
Features
Payment Enhancements
Payment Links
Payment Plans
Non-eCommerce Integrations
Testing Steps
Go-Live Checklist
<<hostedSession>>
Integration Steps
Payment Sessions
Making a Payment
Interpret the Transaction Response
Customizing the Hosted Fields
Subsequent Operations
Features
Payment Enhancements
Accepting Multiple Cards
Testing Steps
Go-Live Checklist
<<directPayment>>
<<directPayment>> Integration Steps
Payment and Payer Data
Send a Request
Interpret the Transaction Response
Transaction Operations
Subsequent Operations
<<directPayment>> features
Payment Enhancements
Payment Options Inquiry
Using Multiple Sources of Payment Details
Testing Steps
Go-Live Checklist
Hosted <<batchIntegration>>
Implementing a <<batchIntegration>> Integration
Access the <<paymentGateway>>
Knowing Your Input Fields
Create Batch Request
Ensure Correct Character Encoding
Send Batch Request
Retrieve the Batch Status
Process Batch Response
Mobile Integration
Integration Steps
<<paymentGateway>> Android SDK
React Native Android Integration
Flutter Android Integration
<<paymentGateway>> iOS SDK
React Native iOS Integration
Flutter iOS Integration
Apple Pay and Google Pay
3D Secure Authentication
Testing Steps
Go-Live Checklist
Other Features
Payment Methods
Card Payments
Credit and Debit Cards
Credit Card Payments
Debit Card Payments
Click to Pay
Click to Pay <<hostedSession>> Integration
Click to Pay Flows for <<checkout>>
Secure Remote Commerce
SRC User Interface Guidelines
Gift Cards
Dynamic Currency Conversion
Surcharging
Payment Plans
Banorte
Cielo
Custom Payment Plans
National Bank of Greece (NBG)
Paylater Installments
Plan Amex
Plan N
Redecard
UniCredit
Mobile Wallets
Apple Pay
Google Pay
Samsung Pay
Chase Pay
Alternative Payment Methods
<<ach>>
Alipay
BancaNet Directo
Bancontact
Boleto Bancário
Giropay
iDEAL
Klarna Financing
Klarna Pay Later
Klarna Pay Now
Multibanco
OXXO
Pay by Bank App
PayPal
Direct Integration to PayPal JS SDK
POLi
SEPA
Sofortbanking
<<unionPaySecurePay>>
WeChat Pay
Implementing a Browser Payment Integration
Testing a Browser Payment Integration
Security and Fraud Prevention
Secure Your Integration with Passwords or Certificates
Authentication
3D Secure Authentication
3DS with <<checkout>>
3DS with the Payer Authentication API
3DS with the 3DS JavaScript API
Test Your Integration
Token Authentication Service
Token Authentication Framework Passthrough Processing
RuPay Payer Authentication
RuPay Authentication Implementation using Authentication API
Implementing RuPay Authentication Using RuPay JavaScript API
RuPay Guest Checkout
PSD2 SCA Compliance and Exemptions
<<checkout>> Integration for PSD2 SCA
Gateway Integration for PSD2 SCA Compliance and Exemptions
3DS JavaScript API Integration for PSD2 SCA
<<tokenization>>
Gateway <<tokenization>>
Network Tokenization
Credential on File Transactions
Risk Management
Transaction Filtering
Address Verification Service
Features
<<reportingAPI>>
Webhook Notifications
Funding and Fee Information
Cardholder Present
Transit
Known Fare
Aggregated Transit Rules
Aggregated Transit Rules in the North American Region
First Ride Risk
Reference Order Id
Update Application Transit Counter
Contactless Payment Using Mobile Devices
Payment Account Reference
Point-to-Point Encryption
Testing Your Integration
Examples of requests
Aggregator
Visa Marketplace Mandate
Additional Acceptor and Service Location Data
Supplementary Data
Account Funding Transactions
Acquirer Custom Data
Airline Data
Cruise Data
Customer Internet Data
Debt Repayment Data
Healthcare Data
High-Risk Securities and Cryptocurrency Indicator Data
Merchant Custom Data
Risk Custom Data
Statement Descriptor Data
Import Merchant Data
Order and Line Item Data
Level 2 and 3 Data
Level II/III Data for the First Data Acquirer
Level 2 and 3 Data for American Express Acquirers
API Implementation
Making a Server API Request
Authentication Options
Setting up API Credentials
Session Authentication Fields
API Error Handling
Transaction Errors
Using Multiple Payment Sources
JavaScript Libraries
Resources
Glossary
Troubleshooting & FAQs
Test Cards
Downloads
Downloads
References
WADL PDF Reference
WADL XML Schema
Postman Collection
Gateway API Postman Collection
Gateway Environment
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Resources
Downloads
Glossary
FAQs
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