No it's my fault, to check if I copied the address to which I want to send correctly, I put it in google and opened in the mempoolspace website, I did not notice that a completely different address was opened and later copied it from the website again and sent btc to it.
A moment of carelessness is all it takes for things to go wrong, so it is recommended to check BTC addresses several times before clicking on "send". I always do this because regardless of all precautionary measures, I keep in mind that some clipboard malware can sneak into the system and change the address.
However, it is good that this is not the case with you and that you will most likely get your BTC back, it will just take some time. Anyway, good luck and let us know when you get your coins back.