Payment Gateways

Airwallex

Connect Airwallex to PayLexer to accept multi-currency payments across Asia Pacific, Europe, North America, and beyond.

Airwallex is a global payments and financial platform headquartered in Singapore. It operates across APAC, Europe, the UK, and the US, providing multi-currency wallets and a comprehensive suite of financial services to support global business operations.

Supported Regions (Merchant Accounts): Asia Pacific, Europe & UK, North America, Middle East & Africa, and other regions - view full list
Supported Currencies: 130+ currencies for payment acceptance, 90+ currencies for local payouts - view full list

Supported Features

One-time payments
Refunds
Real-time payment status updates
Multi-currency support

Before You Start

Make sure you have:

Airwallex Account – Don't have one? Sign up for Airwallex →
PayLexer Account – Required to configure the integration. Create your account →
A website where you want to integrate

Looking for a different payment processor? View all supported gateways →

Configuring Airwallex

You need an API Key and Client ID from Airwallex for this integration.

Getting API Credentials

Navigate to API Keys

Go to Settings → Developers → API Keys and click + New scoped API key.

Create and copy your key

Enter an API key name, select account-level permission and the relevant account(s), then click Create. Copy the API Key and Client ID.

Airwallex provides separate credentials for Test and Live modes. Make sure to copy the correct credentials for your environment.

Adding Credentials to PayLexer

Open PayLexer Dashboard

Enter your credentials

Paste the API Key and Client ID you copied from Airwallex.

Understanding Live/Production and Sandbox Settings:

Environment	Purpose
Live / Production (Mandatory)	Used for real transactions. Cannot be empty, even when testing.
Test / Sandbox (Optional)	Used for testing only. No real money is processed.

How PayLexer selects credentials:

Debug/Test mode ON → Test credentials are used
Debug/Test mode OFF → Live credentials are used

Test and save

Click Test Connection to verify your credentials, then click Save Configuration.

Configuring Webhooks (Mandatory)

Webhooks enable real-time payment updates and significantly improve reliability.

Benefits of Webhooks:

Instant payment status updates
Automatic refund processing
Dispute notifications

Open Airwallex Webhooks

Configure the webhook

Enter a Webhook name, select account-level permissions, then copy the Webhook URL from PayLexer and paste it into the Notification URL field. Click Create.