Guys is it ok to message if you haven't been responding?

There is a boy I have been talking to he used to message me. We would talk a little bit. He would message me every morning on his own. He would flirt a bit. Every time I responded to him, he always read my message then waited a bit like at least 20 minutes to 3 hours to respond... Now he has left me on read for 2 days, the first day I thought maybe he was busy. Then the 2nd I sent a message apologizing for if I said something. Now today, I posted on my story and he has looked at it and my profile.. yet continues to not respond. Guys do you think It would be ok if I sent him a message asking him If I did something or said something that caused him to not want to chat anymore? How should I ask him why he isn't responding

Guys is it ok to message if you haven't been responding?
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