--- title: "Mastering Webhook Retry: What Is Recurring Billing and Why It Matters" canonical: "https://www.useaxra.com/blog/mastering-webhook-retry-what-is-recurring-billing-and-why-it-matters" updated: "2026-07-07T15:00:20.356Z" type: "blog_post" --- # Mastering Webhook Retry: What Is Recurring Billing and Why It Matters > Explore how webhook retry and recurring billing can transform payment processing. Learn practical implementation with Axra for enhanced reliability. ## Key facts - **Topic:** Webhook retry - **Published:** 2026-07-07 - **Reading time:** 4 min - **Article sections:** 6 - **Covers:** webhook retry, recurring billing, payment processing, Axra and API integration ## Understanding Recurring Billing Recurring billing is a payment model where customers are charged a subscription fee at regular intervals. This model is prevalent in industries such as SaaS, streaming services, and membership sites. By automating billing, businesses can improve cash flow and customer retention. ### Why Recurring Billing Matters The rise of subscription-based services has made recurring billing a critical component of modern payment solutions. It ensures predictable revenue streams and enhances customer experience by minimizing the hassle of manual payments. According to a 2023 survey, over 80% of consumers prefer automated billing for ongoing services. However, recurring billing comes with challenges, such as failed transactions. This is where **webhook retry** becomes crucial, ensuring that communication between systems remains seamless, even when initial attempts fail. ## What is Webhook Retry? Webhook retry is a mechanism that attempts to resend failed webhook notifications. In payment processing, webhooks are essential for sending real-time notifications about payment events, such as successful transactions or failed charges. ### How Webhook Retry Works When a webhook fails to deliver, a retry strategy helps ensure that the notification is eventually received. This is particularly important in recurring billing, where missing a notification might lead to service disruption. ### Retry Strategies Different strategies can be employed for webhook retries, including: - **Exponential Backoff**: Increasing the time between retries dynamically. - **Fixed Interval**: Retrying at consistent intervals until success. ## Implementing Webhook Retry in Your Payment System Implementing retry logic involves setting up your webhook listener correctly and ensuring your system can handle retries gracefully. Let's explore how you can do this using Axra, a modern, developer-friendly payment platform. ### JavaScript/Node.js Example Here's a Node.js example to set up a webhook listener with retry logic: ```javascript const express = require('express'); const bodyParser = require('body-parser'); const app = express(); app.use(bodyParser.json()); const MAX_RETRIES = 5; app.post('/webhook', async (req, res) => { const event = req.body; let attempt = 0; let success = false; while (attempt < MAX_RETRIES && !success) { try { // Process the webhook event // Replace with actual logic console.log('Processing event:', event); success = true; res.status(200).send('Success'); } catch (error) { attempt++; console.error('Error processing event:', error); // Implement a delay before retrying await new Promise(resolve => setTimeout(resolve, 1000 * attempt)); } } if (!success) { res.status(500).send('Failed to process event'); } }); app.listen(3000, () => console.log('Webhook listener running on port 3000')); ``` ### Testing with cURL You can test your webhook listener using cURL: ```bash curl -X POST http://localhost:3000/webhook \ -H "Content-Type: application/json" \ -d '{"eventType": "payment_succeeded", "data": {"amount": 1000}}' ``` ### HTML Example for Frontend Integration For a frontend setup, you might want to trigger a webhook event manually: ```html