You want API Gateway to forward the full client request (headers, query, body) to your Lambda function and receive the Lambda response directly. Which integration type and setup should you use?

hard📝 Application Q15 of 15

AWS - API Gateway

AUse AWS integration type with manual mapping templates

BUse MOCK integration type and configure static responses

CUse HTTP integration type pointing to Lambda's REST endpoint

DUse AWS_PROXY integration type with Lambda and grant invoke permissions

Step-by-Step Solution

Solution:

Step 1: Identify integration type for full request forwarding
AWS_PROXY integration forwards the entire client request to Lambda and returns Lambda's response directly.
Step 2: Confirm permissions and setup
Granting API Gateway permission to invoke Lambda is required for this integration to work.
Final Answer:
Use AWS_PROXY integration type with Lambda and grant invoke permissions -> Option D
Quick Check:
AWS_PROXY + invoke permission = full request forwarding [OK]

Quick Trick: AWS_PROXY forwards full request and response [OK]

Common Mistakes:

Using MOCK for dynamic Lambda calls
Using HTTP integration which doesn't call Lambda directly
Using AWS integration without proxy causing manual mapping

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You want API Gateway to forward the full client request (headers, query, body) to your Lambda function and receive the Lambda response directly. Which integration type and setup should you use?

Step 1: Identify integration type for full request forwarding

Step 2: Confirm permissions and setup

Final Answer:

Quick Check:

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