write handlers with C or modperl?

Hello,

We have some handlers which were written by modperl for API endpoints.
yes developing a apache handler with modperl is so easy and quick.
but for better performance we also consider the C handler.
(one of the APIs has got 1,500,000 accesses by unique clients)
Do you think if it's valuable to change the handler from modperl to pure 
C? for C coding we have to take more time to develop, debug and maintain.

Thanks.