What are the Amazon EC2 API tools?
A.
They don’t exist. The Amazon EC2 AMI tools, instead, are used to manage permissions.
B.
Command-line tools to the Amazon EC2 web service.
C.
They are a set of graphical tools to manage EC2 instances.
D.
They don’t exist. The Amazon API tools are a client interface to Amazon Web Services.
B
https://www.aiotestking.com/amazon/what-are-the-amazon-ec2-api-tools/
B although that is not entirely correct. The API is a set of HTTPS REST calls that the command line tools call in order to function. The command line tools are not API’s.