API Design · question
Question 6 of 110
How do you handle validation errors in APIs?
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Re-explain
Return 422 Unprocessable Entity with detailed field-level errors:
{
"error": {
"code": "VALIDATION_ERROR",
"message": "Validation failed",
"details": [
{
"field": "email",
"code": "INVALID_FORMAT",
"message": "Email must be valid format"
},
{
"field": "password",
"code": "TOO_SHORT",
"message": "Password must be at least 8 characters"
}
]
}
}
This helps clients understand exactly what needs to be fixed.
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