[Solved] Consider this code snippet for an API call: fetch('https://api.example.com/data', { headers: { 'Authorization': 'Bearer abc123' } }) .... What is the main purpose of the 'Authorization' header here? | Rest API

Rest API - Authentication and Authorization

Consider this code snippet for an API call:

fetch('https://api.example.com/data', {
  headers: { 'Authorization': 'Bearer abc123' }
})
.then(response => response.json())
.then(data => console.log(data));

What is the main purpose of the 'Authorization' header here?

ATo provide a token proving the caller's identity.

BTo encrypt the data sent to the API.

CTo set the API response timeout.

DTo specify the data format expected.

Step-by-Step Solution

Solution:

Step 1: Understand the 'Authorization' header role
The 'Authorization' header carries credentials like tokens to prove who is calling the API.
Step 2: Match the header purpose with options
To provide a token proving the caller's identity. correctly states it provides a token for identity verification. Other options describe unrelated functions.
Final Answer:
To provide a token proving the caller's identity. -> Option A
Quick Check:
Authorization header = token for identity [OK]

Quick Trick: Authorization header carries tokens for access [OK]

Common Mistakes:

Confusing authorization with data format
Thinking it sets timeout
Assuming it encrypts data

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More Rest API Quizzes

Consider this code snippet for an API call:

Step 1: Understand the 'Authorization' header role

Step 2: Match the header purpose with options

Final Answer:

Quick Check:

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