curl --request POST \
  --url https://api.tickflow.org/v1/symbols \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "symbols": [
    "<string>"
  ]
}
'

{
  "data": [
    {
      "code": "<string>",
      "exchange": "<string>",
      "region": "<string>",
      "symbol": "<string>",
      "ext": "<unknown>",
      "name": "<string>",
      "symbol_type": "<string>"
    }
  ]
}