EVE Technology Lab

To fetch orders from citadels you need to use authed ESI: https://esi.tech.ccp.is/latest/#!/Market/get_markets_structures_structure_id

Nope, they're only showing ranged buy orders. Ones you can sell to, regardless of docking rights.

If you want the other structures, you have to ask for each in turn.

It's because of privileges and caching.

If it was in the main feed, that would need to be authenticated, and couldn't be cached. Which isn't a viable option.

It would be great to have some kind of bulk endpoint. At this moment you need to make thousands of requests to get the market.

You've got on the order of 120-200 odd requests to get all the station based markets. with the majority of that being the forge

for citadels, last I looked there were around 350 structures with public docking rights, with markets in them. Most with less than 10k orders per, so you're looking at around 500 requests total.

However, most of them don't have markets.

Sure, you have to, on an irregular basis, run a check on what the structures are, to see if they might have a market (all astrahus can be ignored, for example) but once you've run through that, (around 3000 public structures), you just need to look. And while yes, it _might_ be paginated, if there's less than 10k orders, you don't need to ask for another page. my ballpark of 250 with markets wasn't a number just pulled out the air. I check this stuff on a semi regular basis.

And you can't judge every region based on the Forge. It, and Delve, are quite different from the 'average'.

I've also thought to myself how ridiculous it is that you have to fetch all the station orders, then individually poll hundreds of structures to get any structure orders (despite there being no API that tells you whether there is a market module or not).

I've got an API that aggregates all the orders from a region (npc station, outpost and public upwell structures) with no paging. From my point of view,, this is how CCP should have designed their API.

However Domain results in a 38MB json page, and The Forge generates a 67MB json page. Sending this kind of data to people every 5m or so isn't viable so I haven't made this public.

I might be able to put this behind a CDN and make it publicly available, butI had a look at cloudflare and found that its interested in objects with a lifetime of several hours, not several minutes...

Bittorrent or a similar p2p protocol would be ideal for this use case (I have visions of a service that provides a new torrent file per region every 5 minutes or so, then people fetch this torrent file and start fetching data from me and sharing it with others), but it would take a lot of heavy lifting and setup for people to get involved (as bittorrent is not very standard) and that would kind of defeat the purpose of making a convenient API intended to address the shortcomings of CCP's less convenient API!