The API sometimes stays unresponsive throughout a 24 hour window (Starting 12:00 AM and ending 12:00 Am the next day)

We’ve implemented Zoom OAuth API calls to create meetings for our customer. The API sometimes stays unresponsive throughout a 24 hour window (Starting 12:00 AM and ending 12:00 Am the next day).

We get a “Handshake Refused” Error during the 24 hour window - no matter how many times we run the job. The Code is frozen, we do not modify the code. And when we wait out the 24 window I described, and run it at 12:01 AM the next day, the API works just fine. We are unable to provide a reasonable explanation for why this is happening.

Has anyone else experienced this?

Hmm this is quite bizarre. This is the message you’re seeing after making an API call attempt? Are you making the calls through a 3rd party? Please describe your configuration.

We use a tool named Talend (ETL). It is Java based.

If you control the device that’s making these API calls, I’d look into narrowing down whether it’s a TCP handshake or an SSL handshake problem. Your operating system or a packet sniffer can offer some insight into the TCP handshake, OpenSSL has an s_client command that can provide detailed technical information on the SSL negotiation.

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