For anyone wondering like I was the status marker list can be found on the wiki here: <a href="https://wiki.roll20.net/API:Objects" rel="nofollow">https://wiki.roll20.net/API:Objects</a> The full list of status markers that are available (in the same order they appear in the marker tray):
"red", "blue", "green", "brown", "purple", "pink",
"yellow", "dead", "skull", "sleepy", "half-heart", "half-haze",
"interdiction", "snail", "lightning-helix", "spanner", "chained-heart",
"chemical-bolt", "death-zone", "drink-me", "edge-crack", "ninja-mask",
"stopwatch", "fishing-net", "overdrive", "strong", "fist", "padlock",
"three-leaves", "fluffy-wing", "pummeled", "tread", "arrowed", "aura",
"back-pain", "black-flag", "bleeding-eye", "bolt-shield",
"broken-heart", "cobweb", "broken-shield", "flying-flag", "radioactive",
"trophy", "broken-skull", "frozen-orb", "rolling-bomb", "white-tower",
"grab", "screaming", "grenade", "sentry-gun", "all-for-one",
"angel-outfit", "archery-target"