adyen-examples/adyen-golang-online-payments

Accept payments on your Golang/Gin-based website with cards, wallets, and key local payment methods

Adyen online payment integration demos

Run this integration in seconds using Gitpod

• Open your Adyen Test Account and create a set of API keys.
• Go to gitpod account variables.
• Set the ADYEN_API_KEY, ADYEN_CLIENT_KEY, ADYEN_HMAC_KEY and ADYEN_MERCHANT_ACCOUNT variables.
• Click the button below!

NOTE: To allow the Adyen Drop-In and Components to load, you have to add https://*.gitpod.io as allowed origin for your chosen set of API Credentials

 First time with Gitpod?

Details

This repository showcases a PCI-compliant integration of the Sessions Flow, the default integration that we recommend for merchants. Explore this simplified e-commerce demo to discover the code, libraries and configuration you need to enable various payment options in your checkout experience.

The demo leverages Adyen's API Library for Golang (GitHub | Docs).

Requirements

Golang 1.19+

Installation

1. Clone this repo:

git clone https://github.com/adyen-examples/adyen-golang-online-payments.git

2. Create a ./.env file with all required configuration

   • PORT (default 8080)
   • API key
   • Client Key
   • Merchant Account
   • HMAC Key

Remember to include http://localhost:8080 in the list of Allowed Origins

PORT=8080
ADYEN_API_KEY="your_API_key_here"
ADYEN_MERCHANT_ACCOUNT="your_merchant_account_here"
ADYEN_CLIENT_KEY="your_client_key_here"
ADYEN_HMAC_KEY="your_hmac_key_here"

Usage

1. Start the server:

go run -v .

2. Visit http://localhost:8080/ and select an integration type.

To try out integrations with test card numbers and payment method details, see Test card numbers.

Webhooks

Webhooks deliver asynchronous notifications about the payment status and other events that are important to receive and process. You can find more information about webhooks in this blog post.

Webhook setup

In the Customer Area under the Developers → Webhooks section, create a new Standard webhook.

A good practice is to set up basic authentication, copy the generated HMAC Key and set it as an environment variable. The application will use this to verify the HMAC signatures.

Make sure the webhook is enabled, so it can receive notifications.

Expose an endpoint

This demo provides a simple webhook implementation exposed at /api/webhooks/notifications that shows you how to receive, validate and consume the webhook payload.

Test your webhook

The following webhooks events should be enabled:

• AUTHORISATION

To make sure that the Adyen platform can reach your application, we have written a Webhooks Testing Guide that explores several options on how you can easily achieve this (e.g. running on localhost or cloud).