{"service":"Tilion Cloud","status":"ok","docs":"/docs","quickstart":["POST /v1/session  (header: Authorization: Bearer ph_...)  -> {session_id}","POST /v1/fetch    {session_id, url}  -> page content + status","DELETE /v1/session/{session_id}  -> close"],"get_a_key":"POST /v1/keys (authenticated) or sign up on the dashboard","billing":"POST /v1/billing/checkout to subscribe; GET /v1/usage for consumption"}