Recall & Review
beginner
What is the purpose of an error response structure in REST APIs?
It provides a clear, consistent way to inform clients about what went wrong during a request, helping them understand and handle errors properly.
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beginner
Name three common fields found in a REST API error response.
Common fields include status (HTTP status code), error (short error name), and message (human-readable explanation).
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beginner
Why should error messages be clear and user-friendly?
Clear messages help developers quickly identify the problem and fix it, improving the user experience and reducing confusion.
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beginner
What HTTP status code is commonly used for 'Not Found' errors?
The HTTP status code 404 is used to indicate that the requested resource was not found.
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beginner
Show a simple JSON example of an error response for a missing resource.
{
"status": 404,
"error": "Not Found",
"message": "The requested item does not exist."
}
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Which field in an error response usually contains a human-readable explanation?
✗ Incorrect
The 'message' field explains the error in a way humans can understand.
What HTTP status code indicates a successful request?
✗ Incorrect
Status code 200 means the request was successful.
Which status code is best for indicating a server error?
✗ Incorrect
500 indicates an internal server error.
Why include an error code or status in the response?
✗ Incorrect
Error codes help clients decide what to do next.
Which of these is NOT typically part of an error response?
✗ Incorrect
'data' is usually for successful responses, not errors.
Describe the key parts of a good error response structure in a REST API.
Think about what helps clients understand and fix problems.
You got /4 concepts.
Explain why consistent error responses improve API usability.
Imagine you are a developer using the API.
You got /4 concepts.