would that be okay if you can let me know vs is that okay if you can let me know

Some examples from the web:

• Maybe while you're at it, you can let me know if you still want to be a vigilante or just a nightclub owner.
• If you were a girl, would that be okay?
• Would that be okay? - Sure.
• So you can let me know next Wednesday.
• If that isn't enough, you can let me know.
• So if anybody knows what that means, you can let me know.
• And what if you get separated from Manik... would that be okay?
• Muhammad, would that be okay?
• You can let me know when you're ready, but do bear in mind that time is forever ticking forward, which means already here.
• One percent, would that be okay?
• Would that be okay with you?
• Would that be okay, my friend?
• Okay if you see one let me know?
• Marshal, you can let me down now.
• Then you can let me into a little secret.
• You can let me in or I'll get a warrant.
• You can let me spend the night.
• I'm surprised that you can let me lead.
• At least you can let me give you just a modicum of advice.
• You can let me stand now, Duke.

Some examples from the web:

• Is that okay if we use your backyard?
• So is that okay if I come to your apartment tonight?
• Maybe while you're at it, you can let me know if you still want to be a vigilante or just a nightclub owner.
• Is that okay if I stand here? - Yes, it is.
• So you can let me know next Wednesday.
• If that isn't enough, you can let me know.
• So if anybody knows what that means, you can let me know.
• You can let me know when you're ready, but do bear in mind that time is forever ticking forward, which means already here.
• Is that okay if I just go ahead and do that?
• Okay if you see one let me know?
• Marshal, you can let me down now.
• Then you can let me into a little secret.
• You can let me in or I'll get a warrant.
• You can let me spend the night.
• I'm surprised that you can let me lead.
• At least you can let me give you just a modicum of advice.
• You can let me stand now, Duke.
• "Meanwhile, if you can let me have a little..."
• If you can let me go, I swear, I swear on my life, I'll come back later.
• Okay, let me know if you need anything.