{"service":"Wisdom Engine","what":"Cross-tradition passage retrieval with exact citations: the closest public-domain passage on a concept from each of 26 wisdom traditions, plus search over the engine's own comparative analyses.","corpus":{"source_passages":73459,"synthesis_chunks":6470,"traditions":26},"licensing":"Source passages are limited to texts that are public domain in the US (published 1930 or earlier, or US-government releases). Modern and unverified translations are not in this index.","paid":[{"method":"GET","path":"/x402/parallels","price":"$0.01","what":"For a concept, the closest public-domain passage from each of 26 wisdom traditions (Vedic, Buddhist, Daoist, Confucian, Sufi, Hermetic, Gnostic, Kabbalistic, Christian mystics, Egyptian, Mesoamerican, Shinto, Yoruba, Theosophical and more), ranked, with exact text/section citations. No model call; deterministic retrieval."},{"method":"GET","path":"/x402/search","price":"$0.005","what":"Semantic passage search over 74k public-domain passages from sacred, mystical and esoteric texts in 26 traditions, with exact citations. Optional tradition filter (see GET /traditions). No model call."},{"method":"GET","path":"/x402/synthesis","price":"$0.02","what":"Search the Wisdom Engine's own comparative analyses: topic syntheses of 136 practices (meditation, breathwork, concentration, clairvoyance, astral projection …), chapter-by-chapter digests of 28 classic esoteric books, and cross-tradition research volumes, with short quotations."}],"free":["GET /traditions","GET /health","GET /.well-known/x402","GET /openapi.json"],"payment":"x402 (USDC on Base). Unpaid calls get 402 with the payment requirements."}