No,The Batmandoesn’t have any end-credit scenes like typical superhero movies.
Unfortunately for him, there’s already more trouble brewing in Gotham as the movie ends.
“It is this sort of early iteration.”

Barry Keoghan at the world premiere of ‘The Batman’.Arturo Holmes/FilmMagic
This is what we’re doing.'
It isn’t that at all," says Reeves about the fan-baity exchange.
“I thought it was a great way to finish the Riddler story within this story.

Robert Pattinson and Paul Dano in ‘The Batman’.Jonathan Olley/DC Comics/Warner Bros.
There’s this great scene [in Arkham] between him and Batman that begins everything.
And there was such a wonderful rapport between Barry and Paul in the way the scene plays out.”
“He meets this character who is the unseen prisoner.
Over the course of the thing, you have a sinking suspicion about who this might be.
It’s a version of this character that is not yet the character we come to know.”
“Batman keeps resisting this idea.
“But by the end, it turns out it’s all true.”
But it actually did one more thing: [It] clarified the stakes of the movie.
The director is already thinking of plans for Keoghan’s deleted exchange with Batman.
“I’m hoping we’re going to do something with the scene.
The Batmanis in theaters now.