The API gives a list of EVE echoes from wangrui's blog

You're welcome! Allow me to EVE Mobile ISK know if you make something cool using it.May be a fantastic idea to cache API calls onto a CDN for historical purposes, maybe daily outputs, this way we could generate long-term tendencies on the data.Also, Are you really shooting locations for your purchase and sell orders? Could be Neat to break down this by different regions to see need. Jita is a wreck right now.The API gives a list of historical stats, so you shouldn't need to cache anything. :-RRB- And yeahI have locations but eve echoes isk cheap I'm not exposing that however.