Jump to Content

Home Guides Recipes API Reference Changelog ☷ Blog 🖧 API Status 💬 Contact Us

Guides

Home Guides Recipes API Reference Changelog ☷ Blog 🖧 API Status 💬 Contact Us

Getting Started

Getting started overview
- Developer portal introduction
Quick start
Features
API diagrams

Coverage

Connections
Payment methods

Cards:ACH

Getting started with ecommerce
Getting started with retail
Getting started with hospitality

Alternative Payment Methods

APM overview
Transaction types overview
Run a sale transaction
Other APM transactions

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?

3D Secure

3D Secure overview

Fraud Prevention

Fraud prevention overview
Address Verification Service (AVS)
Device fingerprinting
Kount verification
Security code verification

Chargeback Management

Chargeback management overview

Decline Recovery

Decline recovery overview

Account Updater

Account updater overview

Recurring Billing

Recurring billing overview
Getting started with subscriptions
Getting started with payment plans

Developer Tools

Developer tools overview
Customizing the iframe
Working with the APIs
Handling errors and declines
Webhooks
Reference tables
Test cards
Frequently asked questions
Glossary

PayPal integration guide

Updated 8 months ago

Paynet integration guide

PayPal (with Braintree) integration guide

Tester app (sandbox)

Dashboard (sandbox)

Copyright © 2026 Nexio