Validation Error Response JSON Example

A structured validation error payload with field-level details and a stable machine code.

Real-world use case: Use this for form APIs, SDK docs, and frontend validation handling.

2 "error": {

3 "code": "VALIDATION_FAILED",

4 "message": "Your request contains invalid fields.",

5 "details": [

6 {

7 "field": "email",

8 "issue": "Email is required."

9 },

10 {

11 "field": "password",

12 "issue": "Password must be at least 12 characters."

13 }

Where this shape shows up in production

Form APIs

Frontend validation

Support debugging

Use this for REST endpoints that return a single record plus request metadata.

Use this for GraphQL docs, client error handling, and schema debugging examples.

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