Scenario: A developer needs to create a webhook that responds to HTTP requests by executing specific code. Which Google Cloud service should they use for this purpose, considering scalability and minimal operational overhead?

Cloud Functions is the recommended choice for creating webhooks that respond to HTTP requests with specific code execution due to its serverless nature, scalability, and ease of integration with other Google Cloud services. Understanding the appropriate use cases for different serverless services helps developers choose the right tool for the job.