502 Bad Gateway in testnet.binance.vision

Hi, this endpoint testnet.binance.vision started returning a 502 error. It used to work a couple of hours ago.

Has something gone wrong all of a sudden with my keys? Maybe expired? Maybe Cloudflare issue?

Thanks for your help!

same here seeing 502 error

monthly scheduled maintenance. Will be back soon.

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THanks, is there a way to know about the maintenances ahead of time?