I recommend Crow, it's a web framework that supports HTTP and Websockets. It's a bit larger than being only there to just let you compose or decode a packet. But I'm pretty sure everything you mentioned is there already :). Source: almost 2 years ago

I've been working on Crow for quite a while now, it's a pretty cool framework IMO. Source: about 2 years ago

If you really want to use C++, check out something like Crow, https://crowcpp.org/ and same thing, you can pass messages between the server and your application. Source: over 2 years ago

Crow is a C++ web framework being developed and maintained by myself and a couple developers. Source: over 2 years ago

Https://crowcpp.org/ (C++ API similar to Python flask). Source: over 2 years ago

The open-source examples are mockoon, mock-server.com, etc. Source: about 1 year ago

I've just found out MockServer and it looks awesome 🤩 so I wanted to check it out repeating the steps of my previous demo WireMock Testing which (as you can expect) uses WireMock, another fantastic tool to mock APIs. - Source: dev.to / about 2 years ago

I tend to use MockServer. With MockServer you can define inputs, so you can say that the request should look like this with that URL, etc etc. That way you can verify that the request looks okay. Source: over 2 years ago