What is the maximum usage limit per API key for the cloud API?

Hi, we generated a key for Zephyr Squad (secret key and access key)

And we need to know what is the maximum usage limit per key.

Is there a place where I can see the limits?

I found this Zephyr Squad REST API rate limits an how can I inc... - SmartBear Community 

but I am wondering if the information in the thread above is updated.

Thank you.