curl --request GET \
  --url https://api.amberdata.com/amberlens/metrics/information \
  --header 'x-api-key: <api-key>'

{
  "status": 200,
  "title": "OK",
  "description": "Successful request",
  "payload": {
    "data": [
      {
        "name": "Bitcoin Address Balance Bucket Daily",
        "id": "bitcoin_balance_bucket_daily",
        "schema": {
          "type": "object",
          "properties": {
            "date": {
              "type": "string",
              "format": "date-time"
            },
            "bucket": {
              "type": "string"
            },
            "bucketSize": {
              "type": "integer"
            },
            "supplyHeld": {
              "type": "number",
              "format": "double"
            }
          }
        }
      }
    ]
  }
}