curl --request POST \
  --url https://synthesis.trade/api/v1/markets/prices \
  --header 'Content-Type: application/json' \
  --data '
{
  "markets": [
    "21742633143463906290569050155826241533067272736897614950488156847949938836455",
    "KXBTC-25-T100000"
  ]
}
'

{
  "success": true,
  "response": {
    "prices": {
      "21742633143463906290569050155826241533067272736897614950488156847949938836455": 0.64,
      "KXBTC-25-T100000": {
        "Yes": 0.58,
        "No": 0.42
      }
    }
  }
}