curl --request GET \
  --url https://api.amberdata.com/market/metrics/{asset}/supply/historical \
  --header 'x-api-key: <api-key>'

{
  "status": 200,
  "title": "OK",
  "description": "Successful request",
  "payload": {
    "metadata": {
      "startDate": "2021-01-22T00:00:00.000Z",
      "endDate": "2021-01-26T16:42:50.026Z"
    },
    "data": [
      {
        "timestamp": "2021-01-22T00:00:00.000Z",
        "issuance": "6.25",
        "totalSupply": "18607677.29497096",
        "circulatingSupply": "18607618",
        "maxSupply": "21000000"
      },
      {
        "timestamp": "2021-01-23T00:00:00.000Z",
        "issuance": "6.25",
        "totalSupply": "18608652.29497096",
        "circulatingSupply": "18608487",
        "maxSupply": "21000000"
      },
      {
        "timestamp": "2021-01-24T00:00:00.000Z",
        "issuance": "6.25",
        "totalSupply": "18609521.04497096",
        "circulatingSupply": "18609437",
        "maxSupply": "21000000"
      },
      {
        "timestamp": "2021-01-25T00:00:00.000Z",
        "issuance": "6.25",
        "totalSupply": "18610396.04497096",
        "circulatingSupply": "18610293",
        "maxSupply": "21000000"
      }
    ]
  }
}