CS2 price API overview: /cs2-api. Market guides: YouPin API, BUFF163 API, Skinport API, C5Game, SkinBaron, CSFloat. Below: full OpenAPI reference.

The v2 float-ranged route is documented here as GET /v2/prices/float-ranged (search for v2 or getFloatRangedPricesV2 under the Prices tag). Use the search box in the left sidebar. If a route is missing, confirm it exists in: api.cspriceapi.com/openapi.json — this site mirrors that file via /api/openapi.