Understanding API Keys API Keys, or Application Programming Interface Key, provides access to an API in the same way that safe key allows you access to whatever is in the safe. It is a unique combination of letters and numbers that allows legitimate use of the API while avoiding malicious or extraneous queries, and in that sense, you can think of it as a digital key that unlocks access to the features and data of the application the API connects to. How does an API Key work? The API key allows various applications or processes to access an API and use the features or data capabilities of the software it interfaces with. If you are using fleet management software, for instance, and query the location of a specific vehicle, the request to the vehicle management system API must be accompanied by a valid API Key before the data can be released. The reason for this security step is self-evident, without it anyone could locate the vehicle very easily. Apply that to situations where financial data or critical business information is accessed, and the need for APIs becomes clearer. With each request, the API Key is also sent, and the server checks for a valid key before returning with the requested response. Without a key, no response is provided. Each key is unique to the user and the application requesting the data, feature or whatever, so a record of who accessed what is also made for additional security. API Keys must be kept confidential at all times to avoid security breaches. Using an API Key in Practice AutoPI API is a system that allows developers to connect with various automotive technology through their apps. To function properly, those apps must implement the API key correctly. As a developer, setting your application of for API key use is as easy as following the steps below: Register for an AutoPi Account: Create a developer account on the AutoPi website. Generate Your AutoPi API Key: You can generate a key from within your account on the API page. This key will authorize your application’s access to the various AutoPi services. Integrate the API Key into Your Application: To use the key, you must embed the key into your application’s code so that every request made to the AutoPi platform is accompanied by the API key. Use the API Features: With he key embedded into each request, you can now access the data and features you need through your application. Track API Usage: For security, you can limit your API key usage. It really is that easy to set up, use and maintain your API Key. Securing your API Key API Keys must be kept secure by avoiding keeping them in any publicly accessible form. You may also want to add usage restrictions to your API Key, so if it is compromised in some way, you will be alerted through unusual use patterns. Conclusion API Keys are the key to keeping API use secure, even for valuable data. They prevent malicious use of resources and allow you to access the features you need without having to enter passwords or other systems that slow down operations. Once you get to grips with how API Keys work, it is easier to see how the API platform itself can help disparate systems communicate so effectively.