Does StealthEX require sign-up or KYC?

No account is needed to swap through SwapGun. StealthEX may ask for identity verification in specific cases, under its own terms.

Is StealthEX's rate on SwapGun the same as on its website?

We haven't compared it yet. SwapGun shows the rate StealthEX's API returns for your amount.

[PV] Provider

StealthEX is one of the instant-exchange providers SwapGun compares. These are the facts SwapGun sees through its integration.

Only for the swap itself: you send coins to a deposit address StealthEX creates and it sends the new coins to your wallet. SwapGun never holds them.