What are some strategies to reduce the frequency of API calls even when a webpage is reloaded?

Imagine I'm utilizing a complimentary API service that has a restriction of c calls per m minutes.

My website consists of a simple HTML file with some JavaScript code like the one below:

$(function () { 

//some code

    function getSomething() {
        return $.ajax({
           type: 'GET',
           url: targetURL,
           data: dataObject,
        });
    }

    getSomething().done(function (returnedStuff){
        //process returnedStuff
    });

//more code

});

I have a couple of inquiries:

  • Will an API call be made each time the page is refreshed?
  • If the answer to the previous question is YES, then how can one prevent/limit users or other events from exceeding the API limit by continuously refreshing the page.

Appreciate your assistance.

Answer №1

In summary: After analyzing your broad example, here are some key points to consider:

  • Will a new api call occur every time the page is reloaded? Yes
  • If the answer to the above question is YES, how can one prevent or limit the risk of exceeding the api limit due to repeated page reloads by users or other events? See below

Further insight: The outcome depends on whether your sample code interacts with your own server-side code that then communicates with the API, or if the API is directly called from the client side. If you trigger the function on reload (such as when the document is ready), it will run each time. Otherwise, it only executes when the method is invoked (e.g., through a button click).

Remember, client-side code is visible to clients - making your architecture vulnerable to potential exploitation, like unauthorized repetitive API calls.

I assume that data does not require constant refreshing during each reload. In this case, I recommend the following approach:

Proposed method for limiting API calls: Utilize an ajax call to your own server. On the server end, retain data through caching mechanisms and implement logic to determine when data refresh is necessary (first call, expiration time, etc).

This strategy safeguards API details from being exposed to client-side scripts, and grants you control over the frequency of API requests.

Additionally, for efficiency purposes, consider storing cached data on the client side while maintaining the core logic and API interaction on the server side.

Hope these insights prove helpful!

ps. To better assist you, kindly specify the coding platform you're using, and I'll gladly craft a quick example for you!

pps. While you could cache data on the client side and make API calls from there with integrated testing logic, bear in mind that this method still leaves the API vulnerable to external access.

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