curl --request POST \
  --url https://api.pumpsim.dev/v1/sim/pos/get/multiplier-at-market-cap \
  --header 'Content-Type: application/json' \
  --data '
{
  "market_cap_lamports": 100000000000,
  "market_cap_sol": 100,
  "position": {
    "buy_market_cap_lamports": 27958993476,
    "initial_lamports": 100000000,
    "pnl": 35.32095899999999,
    "raw_tokens_held": 1764802613989,
    "realized_lamports": 135320959
  },
  "state": {
    "migrated": false,
    "reserves": {
      "r_sol_reserves": 0,
      "r_token_reserves": 793100000000000,
      "v_sol_reserves": 30000000000,
      "v_token_reserves": 1073000000000000
    }
  }
}
'

{
  "multiplier": 2
}