Add the corresponding remote to your conan:
conan remote add cyberduckninja https://api.bintray.com/conan/cyberduckninja/conan
conan remote add bincrafters https://api.bintray.com/conan/bincrafters/public-conan
conan install goblin-engineer/1.0.0a3@cyberduckninja/stable
If you handle multiple dependencies in your project is better to add a conanfile.txt
[requires]
goblin-engineer/1.0.0a3@cyberduckninja/stable
[generators]
cmake
The library has a "service" abstraction which allows you to bind handlers which would call asynchronously on completing HTTP request