With Vayu Long gone, however, human beings grew to become asphyxiated and struggled for breath. So that you can attract the wind god outside of hiding, the devas petitioned Brahma to heal Hanuman's wounds, which he did. Also, the gods noticed to it that Hanuman was blessed with numerous boons https://www.youtube.com/watch?v=ufkmD95y7fE&t=1s