getfitcraft.com

{
  "type": "object",
  "additionalProperties": false,
  "properties": {
    "goal": {
      "type": "string",
      "enum": [
        "protein",
        "calories",
        "calories_burned",
        "macros",
        "body_fat",
        "bmi",
        "bmr",
        "recomp",
        "strength",
        "heart_rate",
        "steps",
        "workout_plan",
        "ffmi",
        "water_intake",
        "weight_loss_percentage",
        "unsure"
      ],
      "description": "The user goal or metric they want to calculate. ffmi covers fat-free mass index and lean body mass; water_intake covers hydration and how much water to drink a day; weight_loss_percentage covers the percent of body weight lost and weight-loss milestones, while calories covers a calorie target for losing weight."
    }
  },
  "required": [
    "goal"
  ]
}