{
  "x402Version": 1,
  "name": "Lazarus Long Healthspan ROI Advisor",
  "description": "Evidence-based longevity interventions ranked by ROI for older adults. POST a user profile and receive the top 5 interventions with evidence grades, expected benefits, and effort levels.",
  "category": "Health",
  "tags": ["longevity", "healthspan", "aging", "evidence-based", "older-adults", "personalized"],
  "endpoints": [
    {
      "path": "/api/highest-roi",
      "method": "POST",
      "description": "Returns top 5 longevity interventions ranked by ROI for a given age cohort, health concerns, time availability, and budget.",
      "accepts": [
        {
          "scheme": "exact",
          "network": "base",
          "maxAmountRequired": "50000",
          "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
          "payTo": "0xb9e2d2A022827F8B7619aCC9c1A207E429FEA3de",
          "maxTimeoutSeconds": 300,
          "extra": { "name": "USD Coin", "version": "2" }
        }
      ],
      "requestSchema": {
        "age_cohort": "\"60s\" | \"70s\" | \"80+\"",
        "top_concerns": "array of 1-3: cardiovascular | cognitive | metabolic | sarcopenia | sleep | inflammation | mobility",
        "time_per_week_hours": "number",
        "budget_tier": "\"free\" | \"low\" | \"moderate\" | \"high\""
      }
    }
  ]
}