[Solved] A PATCH request to update a user's phone number fails with a 400 Bad Request error. The JSON body is:{"phone": 1234567890}What is the likely issue? | Rest API

Rest API - HTTP Methods

A PATCH request to update a user's phone number fails with a 400 Bad Request error. The JSON body is:

{"phone": 1234567890}

What is the likely issue?

AThe URL is missing the user ID.

BPATCH requests cannot update phone numbers.

CThe server does not support PATCH method.

DThe phone number should be a string, not a number.

Step-by-Step Solution

Solution:

Step 1: Analyze JSON data type
Phone numbers are often expected as strings to preserve formatting.
Step 2: Check server validation
Sending phone as number may cause validation error, leading to 400 Bad Request.
Final Answer:
The phone number should be a string, not a number. -> Option D
Quick Check:
Data type mismatch causes 400 error [OK]

Quick Trick: Send phone numbers as strings in JSON [OK]

Common Mistakes:

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