list: API endpoint for returning a list of damage types.
retrieve: API endpoint for returning a particular damage type.

GET /v2/sizes/huge/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "url": "https://api.open5e.com/v2/sizes/huge/?format=api",
    "key": "huge",
    "distance_unit": "feet",
    "name": "Huge",
    "rank": 5,
    "space_diameter": 15.0,
    "suggested_hit_dice": "d12",
    "document": "https://api.open5e.com/v2/documents/srd/?format=api"
}