[Solved] Consider this response mapping template:{ "status": "$input.path('$.statusCode')", "message": "$input.path('$.body.message')" }Given the backend response:{"statusCode": 200, "body": {"message":... | AWS

AWS - API Gateway

Consider this response mapping template:

{
  "status": "$input.path('$.statusCode')",
  "message": "$input.path('$.body.message')"
}

Given the backend response:

{"statusCode": 200, "body": {"message": "Success"}}

What will the client receive?

A{"status": 200, "message": "Success"}

B{"status": "$.statusCode", "message": "$.body.message"}

C{"status": "200", "message": "Success"}

D{"status": null, "message": "Success"}

Step-by-Step Solution

Solution:

Step 1: Extract fields using JSONPath
$input.path('$.statusCode') extracts 200, converted to string "200"; $input.path('$.body.message') extracts "Success".
Step 2: Form response JSON
Values are inserted as strings, resulting in {"status": "200", "message": "Success"}.
Final Answer:
{"status": "200", "message": "Success"} -> Option C
Quick Check:
Response mapping converts backend data to strings [OK]

Quick Trick: Mapping templates convert all values to strings by default [OK]

Common Mistakes:

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Consider this response mapping template: