So I am currently under the free plan. And I have exceed the free plan by mistake.
currently at 6.1k /1k M2M calls. My issue is, my tokens are still generated, but they time out now and then. Is the time out part expected behavior?
Hey there!
Might be but doesn’t need to be the only reason 
In general if certain user go above the limits of their current plan we usually reach out through the dashboard to let you know that you need to upgrade. Sooner or later as you go over the limit you should receive such message
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