Couldn't get NSFW images via API.

request :

https://wallhaven.cc/api/v1/search?apiKey=<your key>&categories=111&purity=001&sorting=random&order=desc

response:

{
    "data": [],
    "meta": {
        "current_page": 1,
        "last_page": 1,
        "per_page": 24,
        "total": 0,
        "query": null,
        "seed": "mWY8Ze"
    }
}

URL parameters are (for whatever reason I don't remember) case sensitive. apikey=<yourkey>