{"endpoint":"/api/kyh/multi/compatibility","method":"POST","description":"Compatibility analysis — relationship match between two humans, synastry aspects, socionics intertype relations, Chinese zodiac compatibility, Enneagram pairing dynamics, Life Path compatibility, personality compatibility across 5+ dimensions","price":"$5.00 via x402 (USDC on Base or Solana)","input":{"humanA":"HumanInput object (birthData, textSamples, observations, responses)","humanB":"HumanInput object (birthData, textSamples, observations, responses)","relationshipType":"Optional: romantic | business-partners | manager-report | coworkers | friends | parent-child | client-provider"},"output":"overallScore, confidence, 5 dimension scores, synastry aspects, intertype relation, strengths, risks, recommendations"}