{
  "tool_id": "vo2_max_estimator",
  "slug": "vo2-max-estimator",
  "path": "/vo2-max-estimator/",
  "mode": "url_api",
  "api_usage": "GET https://aifithub.io/api/vo2-max-estimator/?<params>",
  "sample_input": {
    "tool": "vo2_max",
    "method": "questionnaire",
    "age": 30,
    "gender": "male",
    "weight_kg": 75,
    "activity_level": "moderate"
  },
  "input_schema": {
    "type": "object",
    "properties": {
      "tool": {
        "type": "string"
      },
      "method": {
        "type": "string"
      },
      "age": {
        "type": "integer"
      },
      "gender": {
        "type": "string"
      },
      "weight_kg": {
        "type": "integer"
      },
      "activity_level": {
        "type": "string"
      }
    },
    "required": [
      "tool",
      "method",
      "age",
      "gender",
      "weight_kg",
      "activity_level"
    ]
  },
  "output_schema": {
    "type": "object",
    "properties": {
      "vo2max": {
        "type": "number"
      },
      "classification": {
        "type": "object",
        "properties": {
          "label": {
            "type": "string"
          },
          "color": {
            "type": "string"
          }
        }
      },
      "fitnessAge": {
        "type": "number"
      },
      "methodName": {
        "type": "string"
      },
      "formula": {
        "type": "string"
      }
    }
  }
}