A company is developing a publicly accessible single-page application. The application makes calls from a client web browser to backend services to provide a user interface to customers. The application depends on a third-party web service exposed as an HTTP API. The web client must provide an API key to the third-party web service by using the HTTP header as part of the HTTP request. The company's API key must not be exposed to the users of the web application. Which solution will meet these requirements MOST cost-effectively?

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D. Use Amazon API Gateway to create a REST API. Create an AWS Lambda proxy integration.

Answer

A. Use Amazon API Gateway to create a private REST API. Create an HTTP integration to integrate

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B. Use Amazon API Gateway to create a private REST API. Create an AWS Lambda proxy

Answer

C. Use Amazon API Gateway to create a REST API. Create an HTTP integration to integrate with

A company is developing a publicly accessible single-page application. The application makes calls from a client web browser to backend services to provide a user interface to customers. The applicati

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