This is currently in testing, no authentication is needed. Things might change!
The API url is:
https://api.knaben.eu
Example request:
POST /v1 { "search_type": "100%", "search_field": "title", "query": "my search", "order_by": "seeders", "order_direction": "desc", "categories": [ 4001000, 4000000 ], "from": 0, "size": 150, "hide_unsafe": true, "hide_xxx": true }