growcap-api — read-only silver data

AUTH
  Pass header: key: <32-char hex>

ENDPOINTS
  GET /              same as /help
  GET /help          this text
  GET /studios       list all studios (account_name, account_id) as CSV
  GET /metrics       cohort metrics as CSV

/metrics query params (all optional, all filters are AND)
  studio=<n>             filter by studio (account_name), repeatable
  app=<n>                filter by app, repeatable
  source=<n>             filter by source, repeatable
  platform=ios|android   filter by platform, repeatable
  geo=<ISO2>             filter by geo, repeatable
  mmp=singular|adjust|tenjin
  date_from=YYYY-MM-DD
  date_to=YYYY-MM-DD
  group_by=geo,platform,app,source   comma-separated, any of: geo,platform,app,source,mmp,studio,date,month
  immature=flat|zero|project   how to handle immature cohort days (default: flat)
                               flat    = pass through silver as-is (immature days
                                         hold whatever MMP last reported)
                               zero    = set immature day metrics to 0
                               project = linear extrapolation from last 2 mature points
  limit=<int>               default 10000, max 100000

RESPONSE
  text/csv; charset=utf-8

CONVENTIONS
  installs — we generally use `attributed_installs` as the install metric
  ROAS     — computed as revenue_dX / attributed_installs

EXAMPLE
  curl -H "key: <your-key>"     "https://api.growcap.io/metrics?studio=sol&group_by=month&date_from=2022-01-01"