[Solved] Identify the error in this HAL JSON snippet: { "_links": { "self": "/users/5" } } — Ans: The 'self' link should be an object with an href property | Rest API

Rest API - HATEOAS and Linking

Identify the error in this HAL JSON snippet:

{
  "_links": {
    "self": "/users/5"
  }
}

AThe _links key should be named _embedded

BThe 'self' link should be an object with an href property

CThe URL should be an array, not a string

DThe JSON is missing a _meta section

Step-by-Step Solution

Solution:

Step 1: Check the structure of the 'self' link
In HAL, links must be objects with an href property, not just strings.
Step 2: Verify other options
_links is correctly named, URLs are strings not arrays, and _meta is optional.
Final Answer:
The 'self' link should be an object with an href property -> Option B
Quick Check:
Links require href objects, not strings [OK]

Quick Trick: Always wrap link URLs in an object with href [OK]

Common Mistakes:

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