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There are numerous types of APIs, making it difficult for new developers to differentiate between each kind. 
API authentication is the process of verifying the identity of a user who is making an API request, and it is a crucial pillar of API security.
API access is the ability to interact with an API, and it enables clients to request data, create or update resources, and execute specific operations.
What is API testing?
A monolith is an application that is developed and deployed as a single unit. 
API versioning is the process of managing and tracking changes to an API. 
API latency is the amount of time it takes for an API to respond to a request.
API authentication is the process of verifying the identity of a user who is making an API request, and it is a crucial pillar of API security.
An API, which stands for application programming interface, is a set of protocols that enable different software components to communicate and transfer data.
API documentation is a set of human-readable instructions for using and integrating with an API.
There are numerous types of APIs, making it difficult for new developers to differentiate between each kind. 
API security is the practice of preventing and mitigating attacks that originate at the API level, and it is a crucial pillar of any organization's overall security strategy.
There are many different types of APIs and ways to categorize them. For instance, you can categorize APIs according to their architectural style. 
OAuth is an open standard authorization protocol that enables third-party applications to obtain limited access to user accounts on an HTTP service, without compromising the user's password.
An API definition is a human- and machine-readable document that describes the structure and behavior of an API, including its available endpoints, methods, parameters, data formats, and expected responses.
gRPC is an open source, high-performance remote procedure call (RPC) framework that can run in many environments.
APIs are the building blocks of modern applications, which makes them appealing targets for security attacks. 
Representational State Transfer (REST) is a software architectural style that developers apply to web APIs.
1⃣What is REST? 
3. JSON Schema
CORS, which stands for Cross-Origin Resource Sharing, is an HTTP header-based security feature that allows web pages to make requests to a different origin (i.e., a domain, protocol, or port) than the one from which the page originated.