libcpp-httplib-dev 0.13.1+ds-1ubuntu1 (armhf binary) in ubuntu noble

 cpp-httplib is a C++11 cross platform HTTP/HTTPS library, with a focus on
 ease of use. This is a multi-threaded 'blocking' HTTP library. If you are
 looking for a 'non-blocking' library, this is not the one that you want.
 .
 This package contains the development headers and a pkg-config file.