Which tool/service will help you access AWS services using programming language-specific APIs?

The tool/service that will help you access AWS services using programming language-specific APIs is AWS SDKs (Software Development Kits). AWS provides SDKs for several programming languages such as Java, Python, PHP, .NET, Ruby, and Node.js. These SDKs provide an interface to AWS services, allowing you to interact with the services using your preferred programming language.

Here are the steps to use AWS SDK:

1. Choose the AWS SDK that matches your preferred programming language.

2. Download and install the SDK on your local machine.

3. Set up your AWS credentials. You can do this by creating an IAM user in your AWS account, then assigning the necessary permissions to that user.

4. Use the SDK's APIs to interact with AWS services. For example, you can use the Amazon S3 API to upload a file to an S3 bucket.

5. Test your code to ensure it's working as expected.

6. Deploy your application.

By using AWS SDKs, you can leverage the power of AWS services directly from your application's code.