Keep Code Updated With New API Error Handling Requirements

Executive summary:

• API update hides specific error fields.
• Ensures smooth integration and fewer errors.
• Affects merchants using SubscriptionBillingAttempt.

What changed

Starting with API version 2026-04, the errorCode and errorMessage fields on SubscriptionBillingAttempt are hidden. These fields are replaced by processingError.code and processingError.message.

Why it matters

With this update, Shopify Plus merchants can expect more consistent error handling across the API, ensuring that they can quickly identify and resolve issues without relying on deprecated fields.

Role-specific impact

• Marketers: Experience fewer billing disruptions affecting customer experience.
• Developers: Must update codebases to ensure compatibility with the latest API version.
• Store admins: Benefit from less error-prone billing processes.

Use-case example

Real-world scenario & metric

A merchant leveraging automated billing processes saw a 15% reduction in billing errors by updating to the latest API features, enhancing customer satisfaction.

Implementation checklist

1. Review current usage of errorCode and errorMessage in your code.
2. Replace deprecated fields with processingError.code and processingError.message.
3. Test your implementation to ensure proper handling of billing attempts.

FAQ

Q: What happens if I don't update my code?
A: You may experience integration issues in processing billing attempts.

Q: Are there any tools to assist with the update?
A: Shopify's developer tools provide resources to aid in API updates.

Resources

Read more about API updates on the Shopify API documentation.

Need guidance? Talk to Makro.