{"service":"Phasis World Models API","version":"1.0.0","description":"Orientation layer for AI agents. Free domain orientation + paid ontology access.","docs":"/docs","free":{"orient":"/v1/orient?query=X&model=MODEL_ID — cluster-level orientation (no API key required)"},"paid":{"domains":"/v1/domains — selectable model catalog with honest inference capability flags","inference":"/v1/inference/chat — Phasis 4-mode inference API","inference_health":"/v1/inference/health — provider health","orient_text":"/v1/orient_text?text=X&domains=MODEL_ID — concept-level mapping with volume/trends","models":"/v1/models — list all world models","clusters":"/v1/models/{id}/clusters/{cluster_id} — cluster detail","score":"/v1/models/{id}/score?term=X — concept scoring","search":"/v1/models/{id}/search?q=X — concept search","trending":"/v1/models/{id}/trending — rising/declining concepts","compare":"/v1/models/{id}/compare?a=X&b=Y — compare two concepts","explore":"/v1/models/{id}/explore — dimensional filtering","graph":"/v1/models/{id}/graph/neighbors?concept=X — concept relationships","axes":"/v1/models/{id}/axes/{axis_id}/spectrum — full axis spectrum"},"pricing":{"free":"/v1/orient — public, IP-rate-limited, 0 credits","discovery":"1 credit — models, clusters, axes","insight":"5 credits — orient_text, score, search, graph","analysis":"10 credits — compare, trending, explore","deep":"25 credits — axis spectrum"},"auth":"API key via Authorization: Bearer <key> or X-API-Key header"}