curl --location --request GET 'https://open-api.coinank.com/api/indicator/getAhr999' \
--header 'apikey;'
{
"success": true,
"code": "string",
"data": {
"timeList": [
0
],
"avg": [
0
],
"valueList": [
"string"
],
"ahr999": [
0
]
}
}