Rate-limiting specific path (no replies)

Hi,

I'd like to rate-limit a specific path, by rate-limit I mean continue to
accept X req/s, and buffer or drop subsequent requests over the limit. That
is was "rate-limit sessions <rate>" does, but is frontend-wise.
I'm not interested in dropping *all *requests when the limit is reached,
objective is to be gentle on the backend, not protect against abuser.

Is there any way to achieve that ?

Thanks,
Bastien