Help Cover Vet Bills for Rescued Kittens

Hi everyone! My boyfriend recently rescued two kittens that are about 3-4 months old. He has to pay for majority of the $400 checkups + shots, however neither of us have much money to support these kitties' checkups. Even the smallest amount would be very much appreciated! We only need $200-$300 dollars and his family will cover the rest. Thank you so much!!