Binance.us allOrders endpoint providing empty list

I used to use the allOrders endpoint in the binance.us API to retrieve user trade info several months ago but looking today the end point returns back HTTP 200 response ‘OK’ but an empty list. So the code is no longer working. I’ve tried to decompose the REST request and use several parameter values to see what could possibly causing the issue but I haven’t been able to narrow it down. Each attempt results in an empty list return.

Other endpoints work (e.g., the balances endpoint provides balance for each coin as expected). So the API keys work.

Does anyone know if there has been any changes in the last several months or perhaps something I am missing in my code?

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