You can create this:

[WolframCloudAPI id=”a99541cf-90ab-4b52-ab5c-cd6b632f4c7f” rule=”62″ step=”30″]

With this:

[wlcode] CloudDeploy[APIFunction[{
“rule” -> Restricted[“Number”, {0, 255, 1}] -> 30,
“step” -> Restricted[“Number”, {0, Infinity, 1}] -> 50
},
ArrayPlot[CellularAutomaton[#rule, {{1}, 0}, #step],
Frame -> False] &,
“PNG”
], Permissions -> “Public”] [/wlcode]

Fun! Check out some of the fun stuff here https://www.wolframcloud.com