List available markets
Get markets static data component
Markets are listed by symbol. Filter the list with asset_kind and
base_asset, each a comma-separated list. Send the ETag of an unfiltered
response back in If-None-Match to get 304 Not Modified while the list is
unchanged.
Unfiltered requests for every market draw on a per-client budget, except
those answered 304 Not Modified. Past it the API answers
429 Too Many Requests with a Retry-After header, so filter the list down
to the markets you use.
Query parameters
Market Name - example: BTC-USD-PERP
Without market only: comma-separated asset kinds to list, out of PERP, PERP_OPTION, OPTION, SPOT and FUTURE - example: PERP,SPOT
Without market only: comma-separated base assets to list - example: BTC,ETH
Response headers
Without asset_kind and base_asset: weak validator of the response; send it back in If-None-Match to get 304 while it is unchanged