/flutterflow-integrations

FlutterFlow and Adyen integration: Step-by-Step Guide 2024

Learn how to integrate FlutterFlow with Adyen in this step-by-step guide. Simplify your payment process and enhance your app with our comprehensive tutorial.

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What is Adyen?

Adyen is a global payment company that allows businesses to accept online and point-of-sale payments. It supports all key payment methods across online, mobile and in-store, including credit and debit cards, mobile wallets, and local payment methods. Adyen's platform is designed to streamline the payment process and improve customer experience, giving businesses insights into their customers' preferences and behaviors. It serves industries such as retail, travel, gaming, and digital services among others.

Matt Graham, CEO of Rapid Developers

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How to integrate FlutterFlow with Adyen?

Step-by-Step Guide on Integrating FlutterFlow with Adyen

 

Step 1: Create an Adyen Account

  Sign Up:
  • Visit the Adyen website and sign up for an account.
  • Follow the necessary steps to verify your email and complete the registration process.
Get API Credentials:
  • Log in to your Adyen Customer Area.
  • Navigate to Developers > API Credentials.
  • Create a new API key and note down the key, as you'll need it later.
 

Step 2: Configure Adyen Webhooks (For Push Notifications)

  Navigate to Webhook Settings:
  • Go to Developers > Webhooks in your Adyen Customer Area.
Set Up a New Webhook:
  • Click on Add a webhook.
  • Provide a name for your webhook.
Webhook URL:
  • Enter a URL where Adyen will send notifications (this will be your backend server).
Webhook Events:
  • Select the events you want Adyen to notify you about, such as payment authorization or cancellations.
Security:
  • Configure HMAC signature and basic authentication for added security.
  • Save the webhook settings and take note of the HMAC key.
 

Step 3: Initialize a FlutterFlow Project

  Create a New Project:
  • Log in to your FlutterFlow account.
  • Click on Create New and provide the project details.
Add Required Packages:
  • Ensure that your FlutterFlow project has the necessary packages installed by navigating to the project's Pubspec.yaml.
  • You will specifically need `http`, `flutter_webview_plugin`, and possibly other packages for handling payments.
 

Step 4: Build Your UI in FlutterFlow

  Design Payment Page:
  • Use FlutterFlow's visual editor to design your payment page.
  • Add input fields for customer information and payment details.
Add a Button:
  • Add a button for users to submit their payment information.
 

Step 5: Set Up the Backend

  Server-Side Script:
  • Develop a server-side script to handle payment processing.
  • Implement endpoints for initiating payment sessions, handling callbacks, and confirming payments.
Using Adyen’s APIs:
  • Use the Adyen Checkout API for initiating payments.
Example endpoint to start a new payment session: 

import requests

def initiate\_payment():
    url = "https://checkout-test.adyen.com/v49/payments"
    headers = {
        "X-API-Key": "Your_Adyen_API\_Key",
        "Content-Type": "application/json"
    }
    payload = {
        "amount": {
            "currency": "EUR",
            "value": 1000
        },
        "reference": "Your\_OrderID",
        "paymentMethod": {
            "type": "scheme",
            "number": "4111111111111111",
            "expiryMonth": "03",
            "expiryYear": "2030",
            "holderName": "John Doe",
            "cvc": "737"
        },
        "returnUrl": "https://your-return-url.com",
        "merchantAccount": "Your_Merchant_Account"
    }
    response = requests.post(url, headers=headers, json=payload)
    return response.json()
Handle Webhooks:
  • Create endpoints to handle Adyen webhook notifications.
  • Validate the HMAC signature to ensure the notification is from Adyen.
 

Step 6: Connect FlutterFlow to Your Backend

  API Calls:
  • Use FlutterFlow's API integration feature to set up API calls to your backend endpoints.
  • Add an API call for initiating payments and another for handling webhook responses.
Configure Actions:
  • Tie the submit button on your payment page to these API calls.
  • Ensure that the error handling and response management are properly configured.
 

Step 7: Testing and Debugging

  Test in Development:
  • Fully test your integration using Adyen's test environment.
  • Ensure all payment flows work as expected and that notifications are properly handled.
Move to Production:
  • Once confirmed that everything works in the test environment, switch endpoints and API keys to Adyen's live environment.
  • Perform a few live transactions to ensure that the integration is working as expected.
By following these detailed steps, you should be able to integrate FlutterFlow with Adyen efficiently. This setup ensures seamless communication between your Flutter application and Adyen's payment infrastructure.

FlutterFlow and Adyen integration usecase

Scenario:

An e-commerce startup wants to enhance its mobile shopping experience by integrating a seamless payment gateway for its customers. They use FlutterFlow to create a custom mobile app where users can browse and purchase products. To facilitate secure and efficient payment processing, they decide to integrate the Adyen payment gateway.

Solution: Integrating FlutterFlow with Adyen

Mobile App Creation:

  • The startup uses FlutterFlow to design a user-friendly mobile app that includes product browsing, cart management, and checkout features.
  • The app incorporates an intuitive UI/UX to ensure a smooth shopping experience for the users.

Setting Up the Integration:

  • The startup installs the Adyen API integration within FlutterFlow and configures it with their Adyen API key and merchant account details.
  • They set up workflows in FlutterFlow that trigger when a user initiates the checkout process.

Payment Workflow:

  • Once the user proceeds to checkout, they are prompted to enter their payment details securely within the app.
  • The app triggers a FlutterFlow workflow that sends the payment information to Adyen using the configured Adyen API action.
  • Adyen processes the payment, and the workflow captures the transaction result (success or failure) from Adyen.

Transaction Handling in the Mobile App:

  • If the payment is successful, the workflow updates the user's order status and provides a confirmation message containing order details and transaction ID.
  • If the payment fails, the app notifies the user and prompts them to re-enter their payment details or try a different payment method.

Order Management:

  • The startup's backend system receives the order details and updates inventory levels accordingly.
  • Order confirmation and shipping details are communicated to the user via email or in-app notifications, leveraging FlutterFlow's backend and notification features.

Monitoring and Analytics:

  • The Adyen dashboard provides real-time insights into transaction volumes, payment methods used, and success rates.
  • The startup's team can monitor these metrics to understand user behavior and payment performance, allowing for data-driven decisions to optimize the checkout process.

Benefits:

Seamless Checkout Experience:

  • The integration with Adyen provides a swift and secure payment process, enhancing the overall shopping experience for the users.

Security:

  • Adyen handles sensitive payment information securely, ensuring that the user's data is protected at all times.

Efficiency:

  • Automating the payment processing reduces manual intervention, minimizing the risk of errors and ensuring faster transaction handling.

Centralized Data:

  • All transaction data is stored in Adyen, offering a single source of truth for the startup's financial records.

Data Insights:

  • The startup can leverage Adyen's analytics tools to gain insights into payment trends, helping them to refine their payment strategy and improve conversion rates.

Conclusion:

By integrating FlutterFlow with Adyen, the e-commerce startup can offer a secure, efficient, and seamless payment experience within their mobile app, thereby enhancing user satisfaction and driving higher sales.

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