Create API Gateway RESTFul

Description:
We need to set up an AWS API Gateway REST API that serves as an interface to invoke an AWS Lambda function. The API should handle HTTP requests and route them to the Lambda function for processing. The setup should ensure proper request validation, authentication, and logging.

Acceptance Criteria:

Create API Gateway REST API:

Set up a REST API in API Gateway.
Define at least one resource and method (e.g., POST /process). Integrate with AWS Lambda:

Connect the API Gateway method to an existing or new AWS Lambda function.
Ensure the integration request forwards the request payload properly.
Enable Request Validation & Security:

Configure request validation (e.g., required parameters, request schema validation).
Implement IAM authentication or API key-based access.

Logging & Monitoring:

Enable CloudWatch logs for API Gateway requests and responses.
Ensure logging for Lambda execution results.

Testing & Deployment:

Deploy the API to at least one stage (e.g., dev).
Perform tests using Postman or AWS API Gateway console to validate responses.

Technical Details:

AWS Services:
API Gateway (REST), Lambda, CloudWatch
Authentication: IAM or API Key
Expected Response Format: JSON
Error Handling: Standard HTTP error codes with descriptive messages