I used the rapidjson streams with my little embedded REST HTTP(s) server library: https://github.com/Edgio/is2/ https://github.com/Edgio/is2/ We needed it for

I used the rapidjson streams with my little embedded REST HTTP(s) server library: https://github.com/Edgio/is2/ https://github.com/Edgio/is2/ We needed it for streaming large json from async server sockets. Code link: https://github.com/Edgio/is2/blob/master/include/is2/support/nbq_stream.h https://github.com/Edgio/is2/blob/master/include/is2/support... You just had to implement the interfaces like Peek/Take/Tell/etc. It worked really well for us. Probably not as fast as simdjson, but they used some simd tricks I think for skipping whitespace: https://rapidjson.org/md_doc_internals.html#SkipwhitespaceWithSIMD https://rapidjson.org/md_doc_internals.html#SkipwhitespaceWi...