API Error Code Generator Tool
Create standardized error responses for your REST APIs
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Start Free TrialHow to Use the API Error Code Generator Tool
This tool creates standardized error responses for REST APIs. Select an HTTP status code, provide error details, and specify any field-level validation errors to generate a properly formatted error response in JSON or XML format.
Why Standardized API Error Messages Matter
Consistent error responses improve API usability for developers by providing clear, actionable feedback when problems occur. They also help meet API documentation standards and improve debugging workflows.
Best Practices for API Error Design
- Use standard HTTP status codes for the general error category
- Include a unique error reference for logging and support
- Provide human-readable messages that explain the problem
- Add field-level validation details when appropriate
- Keep a consistent format across your entire API
Connection to Cloud Application Development
APIs are the backbone of modern cloud applications. Kloudbean's hosting services are optimized for REST API deployments, ensuring your API-first applications run smoothly with reliable performance and scalability.
Frequently Asked Questions
Q: What is the difference between error reference and error domain?
The error reference is a unique identifier for the specific error type (e.g., "ERR_INVALID_INPUT"), while the error domain indicates which area of your API generated the error (e.g., "user.authentication").
Q: Should I include stack traces in API error responses?
No, stack traces should never be exposed to API consumers as they can reveal implementation details and potential security vulnerabilities. Keep them in your internal logs instead.
Q: How do I handle internationalization (i18n) for error messages?
Consider including an error code that client applications can use to look up localized messages, or accept a language preference header to return translated error messages directly.
Q: What's the best practice for validation errors with multiple fields?
Include an array of field-specific errors, each with the field name, error code, and message. This makes it easy for client applications to display errors next to the appropriate form fields.
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