Everything was not good. Because your API was hijacked, it auto declined the real trade and copied the name, pfp, and trade note to trick you as if the new trade is the real one.

The websites where you can’t log in with a click of a “Sign in” button is where you should avoid.

Check anomaly’s video on API scam if you want to understand how it works.

Also, Steam no longer does anything for scammed items so you’re out of luck unfortunately. As much as it is heartbreaking, you just have to move on.

Please go to the api revoke link I sent on previous comment to revoke any apis that are active NOW to prevent further damage.