You are in general unable to use AWS services without an account since you would always need authentication for using an AWS service, alongside billing for whatever usage or expense. But, again, here's a small way one can work or interact with an AWS service either indirectly or almost without a created account directly.
1. Utilizing Third-Party Platforms Some third-party platforms offer services built on top of AWS infrastructure, which allows you to use AWS-powered functionalities without requiring direct access to AWS. Some examples include:
Heroku: A PaaS provider that uses AWS behind the scenes. You can deploy and manage applications without directly interfacing with AWS. Zapier: Automates workflows using AWS services indirectly, such as triggering an S3 event or integrating AWS functionalities with other apps. Example: You deploy a web app to Heroku, and Heroku is hosting it in AWS EC2. You don't have to go out and open an AWS account for this because Heroku handles AWS interaction.
2. Using AWS Free Services No Login Needed AWS periodically has free tools or trials that do not require an AWS account. For instance:
AWS Pricing Calculator: It's used when you want to estimate AWS costs. Public Datasets on AWS: Public datasets hosted in AWS can be accessed without an account. This might be done via an HTTP/HTTPS link. Example: Downloading a public dataset stored on Amazon S3 via a public link does not require an AWS account.
3. Collaboration via Shared Accounts If you're part of a team or organization, they can give you access to AWS services through their AWS account. They can create IAM users, roles, or federated access for you.
Example: A company is using AWS and gives you temporary credentials to access resources, like a DynamoDB table or an S3 bucket, via AWS Cognito or IAM roles.
4. AWS Lambda via API Gateways Some companies expose APIs hosted on AWS Lambda or API Gateway. You interact with AWS indirectly by calling these APIs.
Example: Using an API endpoint exposed by a developer that triggers an AWS Lambda function. You access it without needing an AWS account.
While these methods let you interact with AWS-powered features, direct access to AWS services generally requires an account due to security, billing, and resource management protocols.