Rate Limit Override Request Ineligible

My domain is: ascend.io

I submitted a request for an increased rate limit on Let's Encrypt and had my request deemed ineligible. I'm a bit confused, I read through the documentation and I'm pretty confident I submitted the right information, so I'm scratching my head a bit as to why it would have been denied. The use case that we have is we produce dynamic single-tenant environments, each of which has its own hostname. Due to the nature of our business we have limited predictability and control over how many new certs may be requested at any given time, and as a result we sought a rate limit increase in order to handle spikes in load.

Does anyone have insight into what sort of requests are eligible or ineligible for rate limit increases? I understand there are limits to the service, but the lack of any specific details in the response leaves me without much to go on as far as next steps.


Our rate limit adjustment request form requires careful reading. We're always trying to make it clearer, but it's been challenging because there are so many possible paths and pieces of information.

For example, if you're requesting an adjustment for the rate limit on certificates per registered domain, you must specify an account ID or up to 3 domains. This is an exclusive "or;" the form notes that you cannot specify both.


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