Nowadays, there is lots of confusion regarding the typical cryptographic architecture. Today in this review, we are going to clarify the key identifier main characteristics. Generally speaking, a key identifier is a value that identifies your application and your request. If an API requires a key, you must first be accepted as a user of the service and retrieve your identifiers for your API key. Learn more about API key identifiers in our latest review.
What is API key and what is it for?
Once an API key with unique value has been assigned to you as a user of the API service, you will be able to use the API in your code. When you call the API in your program, the API key will be part of the request you made to the service. With the API key as a part of that request, the service can identify you, log which services you are using at the moment and accept your offer. If the API key is valid it will ultimately send you the appropriate data in the response. Therefore an API key exists for identification and authorisation.It means that with the help of API key the system can identify your applications request and check whether you have been granted an access to send you the appropriate data.
Features and algorithms of the API services
The API service is responsible for maintaining all of the keys and checking them as each request comes in. If the API is invalid and not mapped to a user the API will send back an error response. If the API key is matching to a user, who has made too many requests within a small amount of time, the API will send back an error. For the system it might look like the user is attempting to overload it or commit a cyber attack.
Our final thoughts on API keyH2:
All in all, API keys do not identify the user who is making the API request. They are only a unique value associated with your application. It means that API service cannot restrict access to specific users. It can only limit particular requests with a specific API key itself. APIs and API keys can be confusing. We hope that this review helped you to understand them a little bit better.