Is Jotform down now? My forms suddenly stop functioning during these few hours?

Is Jotform down now or under maintenance? My forms suddenly stop functioning during these few hours. I didn't change my website at all but the forms didn't show up as usually. 

We're sorry for any inconvenience, could you please double check and let us know if the issue persists, I couldn't replicate any issue at this time.

We'll wait for your response.

Thank you!