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Getting Started

  • Getting started overview
    • Developer portal introduction
  • Quick start
    • Requirements
    • Base URLs and environments
    • Sandbox environments
    • User roles
    • Authentication
    • Your first request
    • Making a Hello (payment) World request
    • Next tasks
  • Features
    • Prevent
    • Convert
    • Vault
    • Update
    • Route
    • Dispute
    • Recover
    • 3D Secure
    • Payout
    • Virtual
    • Form
    • Billing
  • API diagrams

Coverage

  • Connections
    • Adyen integration guide
    • Authorize.net integration guide
    • Checkout.com integration guide
    • Cybersource integration guide
    • Fortis (Zeamster) integration guide
    • KICC (via Switch) integration guide
    • NMI integration guide
    • Openpay integration guide
    • PayU Colombia/LATAM (via PaymentsOS) integration guide
    • Reach integration guide
    • USAePay integration guide
  • Payment methods
    • AliPay integration guide
    • Apple Pay integration guide
    • Google Pay integration guide
    • Klarna integration guide
    • Paynet integration guide
    • PayPal integration guide
    • PayPal (with Braintree) integration guide
    • SEPA through Adyen integration guide
    • Sofort integration guide
    • Speed integration guide
    • SPEI integration guide
    • UnionPay integration guide
    • WechatPay integration guide

Cards/ACH

  • Getting started with ecommerce
    • Creating a card checkout page with the iframe
    • Creating a card checkout page with your own form
    • Creating an echeck checkout page with the iframe
    • Creating an echeck checkout page with your own form
    • Creating a save card page with the iframe
    • Creating a save card page with your own form
    • Creating a save echeck page with the iframe
    • Creating a save echeck page with your own form
    • Saving a card token with the API
    • Saving an echeck token with the API
    • Running a card transaction with the API
    • Running an echeck transaction with the API
    • Running a card transaction using full card information
  • Getting started with retail
    • Using simple login for authentication
    • Creating a retail card page with the iframe
    • Running a keyed transaction with the iframe
    • Configuring your terminal for USAePay
    • Processing a transaction with a terminal
    • Customizing the retail iframe
  • Getting started with hospitality
    • Sending lodging data with the iframe
    • Sending lodging data with your own form
    • Sending lodging data with the API

Alternative Payment Methods

  • APM overview
    • Using the integration guides
    • Choosing an APM
    • Configuring APMs
    • Supported transaction types for APMs
    • Supported integration methods for APMs
    • Supported currencies for APMs
    • Supported webhooks for APM transactions
  • Transaction types overview
  • Run a sale transaction
    • Multi Iframe (Express APM)
    • Individual Iframe (Button URLs)
    • Custom Redirect (Redirect URLs)
    • Pay Later messaging
  • Other APM transactions
    • Run an auth only transaction
    • Run a merchant-initiated recurring transaction
    • Refund a transaction

Payouts

  • Payouts overview
  • Spendback overview

Payment Routing

  • Understanding payment routing
  • How do I keep a relationship active at a specific transaction percentage?
    • Setting up payment routing by target allocation
    • What happens after you set up target allocation?
  • How do I route all transactions with a specific item to a relationship?
    • Setting up payment routing by item
    • What happens after you set up item routing?
  • How do I set up a more complex payment routing flow?
    • How do I use both item routing and target allocation together?
    • What effect does the use of a paymentOptionTag have on payment routing?
    • How do I send a transaction to a specific MID and paymentOptionTag based on transaction currency?
    • How do I send a transaction to a specific MID based on transaction currency?

3D Secure

  • 3D Secure overview
    • 3DS requirements
    • Using 3DS to run transactions
    • Using a third-party 3DS provider to run transactions

Fraud Prevention

  • Fraud prevention overview
  • Address Verification Service (AVS)
    • Enabling the Address Verification Service
    • Understanding the AVS response
    • Testing AVS
  • Device fingerprinting
    • Using device fingerprinting in the save card flow with an iframe
    • Using device fingerprinting in the save card flow with your own form
    • Using device fingerprinting in the run transaction flow with an iframe
    • Using device fingerprinting in the run transaction flow with your own form
  • Kount verification
    • Enabling Kount verification with the iframe
    • Enabling Kount verification with your own form
    • Enabling Kount verification with the API
    • Understanding the Kount response
    • Testing Kount verification
  • Security code verification
    • Enabling security code verification with the iframe
    • Enabling security code verification with your own form
    • Enabling security code verification with the API
    • Understanding the security code verification response
    • Testing security code verification

Chargeback Management

  • Chargeback management overview

Decline Recovery

  • Decline recovery overview
    • Running API card transactions with decline recovery
    • Running subscription transactions with decline recovery
    • Retrieving transaction list from decline recovery
    • Cancel retries when using the Decline Recovery service

Account Updater

  • Account updater overview
    • Checking a card's enrollment tag
    • Tagging an existing card for sending to Account Updater provider
    • Tagging an existing card to remove from Account Updater provider
    • Tagging a new card for enrollment
    • Tagging a new card for exclusion
    • Handling a legacy webhook for Account Updater

Recurring Billing

  • Recurring billing overview
  • Getting started with subscriptions
    • Creating a Nexio-scheduled card subscription
    • Using pay later option for subscription
    • Running merchant-initiated transactions for a subscription
    • Setting up installments for a bank to handle the subscription
  • Getting started with payment plans
    • Creating a Nexio-scheduled card payment plan
    • Using pay later option for payment plan
    • Running merchant-initiated transactions for a payment plan
    • Setting up installments for a bank to handle the payment plan

Developer Tools

  • Developer tools overview
  • Customizing the iframe
    • Displaying translated or customized labels
    • Customizing iframe labels
    • Specifying your own CSS file
    • Creating your own CSS file for an iframe
    • Customizing iframe form elements
  • Working with the APIs
    • Finding a transaction
    • Filtering using query parameters
    • Requesting additional response parameters
    • What data is saved with tokens?
  • Handling errors and declines
    • Adding an event listener
    • Common errors
    • Handling gateway declines
    • Handling security code verification failures
  • Webhooks
    • Registering webhooks
    • Receiving webhooks
    • Webhook body examples
    • Legacy webhooks and event types
    • Configuring legacy webhooks
    • Receiving legacy webhooks
    • Legacy webhook body examples
  • Reference tables
    • Iframe events
    • Constant ACH transaction values
    • Constant payouts values
    • Constant transaction values
  • Test cards
  • Frequently asked questions
    • Error codes
    • Testing
    • Other
  • Glossary

Working with the APIs

The following topics provide information and tutorials about working with the Nexio APIs.

  • Finding a transaction
  • Filtering using query parameters
  • Requesting additional response parameters
  • What data is saved with tokens?

Updated 5 months ago



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