So, by controlling the number and timing of requests, rate limits prevent problems before they arise. It’s designed to prevent a backup or overflow of requests that would strain a server, or other service, that is meant to be shared and consumed by many websites and apps. While the 429 response may seem punitive, it’s actually a protective measure against users intentionally or accidentally abusing server resources (or an API, plugin, or another service). If, for example, more than 50 requests are received from an IP address within one minute, PayPal Sandbox will block that IP for the next five minutes. You might also get a 429 error if your website is using up too many resources on a shared hosting server or service. It sets a rate limit for additional requests, preventing the brute-force attacker from being successful. In the case of a brute-force login attempt, in which a hacker repeatedly tries to log into your site, the 429 error code is an important security measure. For instance, if a user is trying to access a page on your website too often in a short period of time, your server may send a 429 error.Īny website or app could experience this error, including Facebook, Etsy, Doordash, Venmo, YouTube, PayPal, Airbnb, Google Search Console, and - of course - WordPress websites (more on how to fix WordPress 429 errors below). Here are some of the potential causes: Repeated Requests to the ServerĪ 429 is often triggered by repeated requests. The client application usually refers to a website or app, but can also refer to individual users like the site admin or a site visitor or hacker.Ī 429 error may appear the following ways, with or without the phrase “too many requests”: Causes of HTTP Error 429: Too Many RequestsĪ 429 response is not technically an error - it’s a response from a server, application programming interface (API), or plugin that tells the client application to stop sending requests because they simply don’t have enough resources to accept it at this time. You know something’s wrong and you need to fix it - but you’re not exactly sure what happened or why. Troubleshooting this error is complicated because it provides few details on what it is or how to solve it. Some of these errors will be relatively simple to solve, while others will be more intricate. Typically, this code will not just tell the client to stop sending requests - it will also specify when they can send another request.Īs a website owner, you’ll run into an error message from time to time. HTTP Error 429 is an HTTP response status code that indicates the client application has surpassed its rate limit, or number of requests they can send in a given period of time.
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