![]() ![]() As a result you should avoid hard-coding limits directly into your application.Īnother thing to keep in mind is that these time-based limits might be set based on the time of the first request, or may have a fixed timeframe, such as the start of a day. The Discord API, for example, has unique limits for each endpoint and account. These types of limits can either be API-wide, or unique for an endpoint or resource. ![]() For unauthenticated requests, the limit is 60 requests per hour. For example, GitHub's v3 REST API has a limit of 5000 requests per hour per authenticated user for authenticated requests. Normally, rate limits are defined by requests over a period of time. To learn more about an APIs rate limit threshold, it's best to check the documentation for the API you are using. Applications that directly let users interact with the third-party API are also at higher risk of hitting limits. Bots, and any application that consistently polls an API, are the most likely to run into the error. Rate limit thresholds and how are they triggeredĭepending on the type of application you are building, there are a variety of instances where you may run into rate limiting. So what can you, as a developer consuming APIs, do about it? To start, let's look at what causes the error and how to find the rate limit details for an API. Rate limiting aims to prevent this by stopping the flow of requests before a problem arises. If you've ever poured water into a funnel too quickly, you've seen it start to back up and eventually overflow. Rate limits prevent services from intentional abuse, as well as accidental abuse that may occur when developers are testing applications. While rate limiting may seem like a bad thing when you encounter it, this restriction is a protective feature of most consumable APIs. The 429 (Too Many Requests) error is an HTTP status code that often occurs when you've hit a request limitation of an API. As the name implies, you have made too many requests and your application has been rate limited. Suddenly you start to see 429 error responses from an API. ![]() □ This post originally appeared as Error 429 Too Many Requests on the Bearer Blog. ![]()
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