DeFi Shield IL Simulator

x402

DeFi Shield IL Simulator is a paid API for AI agents from defi-shield-hazel.vercel.app, paid per call via x402, $1/call, status unknown (last checked 2026-09-15).

Runs a 200-scenario Monte Carlo simulation of impermanent loss for a liquidity pool position, returning breakeven APY and risk score

Price / call$1

Seller volume →—

Success—

StatusUnknown

Output

Returns 200 simulated impermanent loss outcomes across price paths, the breakeven APY needed to net-positive the position, a risk score summarizing downside exposure, and key percentile statistics (e.g. median IL, 95th percentile loss).

Example use cases

Example prompt

“Run a 200-scenario Monte Carlo impermanent loss simulation for an ETH/USDC liquidity pool position of $10,000 with 30% annualized volatility over a 90-day horizon and tell me the breakeven APY and risk score.”

Technical details

Endpoint

POSThttps://defi-shield-hazel.vercel.app/api/defi/il-simulate

When to prefer

Use this endpoint when you need probabilistic, scenario-based impermanent loss analysis rather than a simple deterministic IL formula. Ideal when a user wants to understand the full distribution of outcomes, needs a breakeven APY figure to decide whether to enter a pool, or wants a risk score for comparing multiple LP opportunities. Prefer over static IL calculators when volatility assumptions matter.

Side effects

Invalid token pair or unsupported pool — returns 400 with validation error
Volatility or time horizon out of acceptable range — returns 422 with parameter constraints
Simulation engine timeout for extreme parameter combinations — returns 504
Payment not received or insufficient USDC — returns 402 payment required
Missing required fields in POST body — returns 400 with field-level error details

Input

{
  "input": {
    "body": {
      "days": 90,
      "pool_fee_pct": 0.3,
      "volatility_a": 0.65,
      "volatility_b": 0.45,
      "token_a_price": 2500,
      "token_b_price": 1,
      "investment_usd": 10000,
      "daily_volume_usd": 5000000
    },
    "type": "http",
    "method": "POST",
    "bodyType": "json"
  }
}

Schema · Request body

Field	Type	Description
inputrequired	object
output	object

Output

{
  "risk_score": 10,
  "analyzed_at": "2026-06-13T04:21:59.347Z",
  "time_series": [
    {
      "day": 3,
      "il_p25": -0.04,
      "il_p50": -0.01,
      "il_p75": 0
    },
    {
      "day": 6,
      "il_p25": -0.06,
      "il_p50": -0.02,
      "il_p75": -0.01
    },
    {
      "day": 9,
      "il_p25": -0.11,
      "il_p50": -0.04,
      "il_p75": -0.01
    },
    {
      "day": 12,
      "il_p25": -0.2,
      "il_p50": -0.07,
      "il_p75": -0.02
    },
    {
      "day": 15,
      "il_p25": -0.27,
      "il_p50": -0.1,
      "il_p75": -0.03
    },
    {
      "day": 18,
      "il_p25": -0.33,
      "il_p50": -0.12,
      "il_p75": -0.02
    },
    {
      "day": 21,
      "il_p25": -0.35,
      "il_p50": -0.12,
      "il_p75": -0.03
    },
    {
      "day": 24,
      "il_p25": -0.38,
      "il_p50": -0.16,
      "il_p75": -0.05
    },
    {
      "day": 27,
      "il_p25": -0.39,
      "il_p50": -0.19,
      "il_p75": -0.04
    },
    {
      "day": 30,
      "il_p25": -0.47,
      "il_p50": -0.13,
      "il_p75": -0.04
    },
    {
      "day": 33,
      "il_p25": -0.51,
      "il_p50": -0.17,
      "il_p75": -0.03
    },
    {
      "day": 36,
      "il_p25": -0.63,
      "il_p50": -0.22,
      "il_p75": -0.04
    },
    {
      "day": 39,
      "il_p25": -0.71,
      "il_p50": -0.28,
      "il_p75": -0.06
    },
    {
      "day": 42,
      "il_p25": -0.68,
      "il_p50": -0.31,
      "il_p75": -0.07
    },
    {
      "day": 45,
      "il_p25": -0.74,
      "il_p50": -0.27,
      "il_p75": -0.07
    },
    {
      "day": 48,
      "il_p25": -0.66,
      "il_p50": -0.26,
      "il_p75": -0.07
    },
    {
      "day": 51,
      "il_p25": -0.75,
      "il_p50": -0.26,
      "il_p75": -0.08
    },
    {
      "day": 54,
      "il_p25": -0.87,
      "il_p50": -0.26,
      "il_p75": -0.07
    },
    {
      "day": 57,
      "il_p25": -0.81,
      "il_p50": -0.26,
      "il_p75": -0.09
    },
    {
      "day": 60,
      "il_p25": -0.93,
      "il_p50": -0.34,
      "il_p75": -0.08
    },
    {
      "day": 63,
      "il_p25": -1.03,
      "il_p50": -0.37,
      "il_p75": -0.08
    },
    {
      "day": 66,
      "il_p25": -1.04,
      "il_p50": -0.39,
      "il_p75": -0.08
    },
    {
      "day": 69,
      "il_p25": -1.02,
      "il_p50": -0.38,
      "il_p75": -0.1
    },
    {
      "day": 72,
      "il_p25": -1.07,
      "il_p50": -0.37,
      "il_p75": -0.1
    },
    {
      "day": 75,
      "il_p25": -1.17,
      "il_p50": -0.39,
      "il_p75": -0.14
    },
    {
      "day": 78,
      "il_p25": -1.14,
      "il_p50": -0.46,
      "il_p75": -0.11
    },
    {
      "day": 81,
      "il_p25": -1.18,
      "il_p50": -0.47,
      "il_p75": -0.1
    },
    {
      "day": 84,
      "il_p25": -1.29,
      "il_p50": -0.47,
      "il_p75": -0.09
    },
    {
      "day": 87,
      "il_p25": -1.22,
      "il_p50": -0.48,
      "il_p75": -0.09
    },
    {
      "day": 90,
      "il_p25": -1.41,
      "il_p50": -0.5,
      "il_p75": -0.08
    }
  ],
  "il_scenarios": {
    "p5": -4.08,
    "p10": -2.64,
    "p25": -1.41,
    "p50": -0.5,
    "p75": -0.08,
    "p90": -0.01,
    "p95": 0,
    "max_drawdown": -7.18
  },
  "breakeven_apy": 2.03,
  "value_scenarios": {
    "lp_p10": 7117.29,
    "lp_p50": 9584.07,
    "hold_p10": 7214.86,
    "hold_p50": 9629.39,
    "net_pnl_p25": -132.27,
    "net_pnl_p50": -47.68,
    "net_pnl_p75": -6.43,
    "accumulated_fees": 0
  },
  "response_time_ms": 14,
  "simulation_params": {
    "days": 90,
    "fee_apy": 0,
    "correlation": 0.5,
    "volatility_a": 0.65,
    "volatility_b": 0.45,
    "token_a_price": 2500,
    "token_b_price": 1,
    "investment_usd": 10000,
    "num_simulations": 200
  }
}

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Technical details

Endpoint

POSThttps://defi-shield-hazel.vercel.app/api/defi/il-simulate

When to prefer

Side effects

Invalid token pair or unsupported pool — returns 400 with validation error
Volatility or time horizon out of acceptable range — returns 422 with parameter constraints
Simulation engine timeout for extreme parameter combinations — returns 504
Payment not received or insufficient USDC — returns 402 payment required
Missing required fields in POST body — returns 400 with field-level error details

Input

{
  "input": {
    "body": {
      "days": 90,
      "pool_fee_pct": 0.3,
      "volatility_a": 0.65,
      "volatility_b": 0.45,
      "token_a_price": 2500,
      "token_b_price": 1,
      "investment_usd": 10000,
      "daily_volume_usd": 5000000
    },
    "type": "http",
    "method": "POST",
    "bodyType": "json"
  }
}

Schema · Request body

Field	Type	Description
inputrequired	object
output	object

Output

{
  "risk_score": 10,
  "analyzed_at": "2026-06-13T04:21:59.347Z",
  "time_series": [
    {
      "day": 3,
      "il_p25": -0.04,
      "il_p50": -0.01,
      "il_p75": 0
    },
    {
      "day": 6,
      "il_p25": -0.06,
      "il_p50": -0.02,
      "il_p75": -0.01
    },
    {
      "day": 9,
      "il_p25": -0.11,
      "il_p50": -0.04,
      "il_p75": -0.01
    },
    {
      "day": 12,
      "il_p25": -0.2,
      "il_p50": -0.07,
      "il_p75": -0.02
    },
    {
      "day": 15,
      "il_p25": -0.27,
      "il_p50": -0.1,
      "il_p75": -0.03
    },
    {
      "day": 18,
      "il_p25": -0.33,
      "il_p50": -0.12,
      "il_p75": -0.02
    },
    {
      "day": 21,
      "il_p25": -0.35,
      "il_p50": -0.12,
      "il_p75": -0.03
    },
    {
      "day": 24,
      "il_p25": -0.38,
      "il_p50": -0.16,
      "il_p75": -0.05
    },
    {
      "day": 27,
      "il_p25": -0.39,
      "il_p50": -0.19,
      "il_p75": -0.04
    },
    {
      "day": 30,
      "il_p25": -0.47,
      "il_p50": -0.13,
      "il_p75": -0.04
    },
    {
      "day": 33,
      "il_p25": -0.51,
      "il_p50": -0.17,
      "il_p75": -0.03
    },
    {
      "day": 36,
      "il_p25": -0.63,
      "il_p50": -0.22,
      "il_p75": -0.04
    },
    {
      "day": 39,
      "il_p25": -0.71,
      "il_p50": -0.28,
      "il_p75": -0.06
    },
    {
      "day": 42,
      "il_p25": -0.68,
      "il_p50": -0.31,
      "il_p75": -0.07
    },
    {
      "day": 45,
      "il_p25": -0.74,
      "il_p50": -0.27,
      "il_p75": -0.07
    },
    {
      "day": 48,
      "il_p25": -0.66,
      "il_p50": -0.26,
      "il_p75": -0.07
    },
    {
      "day": 51,
      "il_p25": -0.75,
      "il_p50": -0.26,
      "il_p75": -0.08
    },
    {
      "day": 54,
      "il_p25": -0.87,
      "il_p50": -0.26,
      "il_p75": -0.07
    },
    {
      "day": 57,
      "il_p25": -0.81,
      "il_p50": -0.26,
      "il_p75": -0.09
    },
    {
      "day": 60,
      "il_p25": -0.93,
      "il_p50": -0.34,
      "il_p75": -0.08
    },
    {
      "day": 63,
      "il_p25": -1.03,
      "il_p50": -0.37,
      "il_p75": -0.08
    },
    {
      "day": 66,
      "il_p25": -1.04,
      "il_p50": -0.39,
      "il_p75": -0.08
    },
    {
      "day": 69,
      "il_p25": -1.02,
      "il_p50": -0.38,
      "il_p75": -0.1
    },
    {
      "day": 72,
      "il_p25": -1.07,
      "il_p50": -0.37,
      "il_p75": -0.1
    },
    {
      "day": 75,
      "il_p25": -1.17,
      "il_p50": -0.39,
      "il_p75": -0.14
    },
    {
      "day": 78,
      "il_p25": -1.14,
      "il_p50": -0.46,
      "il_p75": -0.11
    },
    {
      "day": 81,
      "il_p25": -1.18,
      "il_p50": -0.47,
      "il_p75": -0.1
    },
    {
      "day": 84,
      "il_p25": -1.29,
      "il_p50": -0.47,
      "il_p75": -0.09
    },
    {
      "day": 87,
      "il_p25": -1.22,
      "il_p50": -0.48,
      "il_p75": -0.09
    },
    {
      "day": 90,
      "il_p25": -1.41,
      "il_p50": -0.5,
      "il_p75": -0.08
    }
  ],
  "il_scenarios": {
    "p5": -4.08,
    "p10": -2.64,
    "p25": -1.41,
    "p50": -0.5,
    "p75": -0.08,
    "p90": -0.01,
    "p95": 0,
    "max_drawdown": -7.18
  },
  "breakeven_apy": 2.03,
  "value_scenarios": {
    "lp_p10": 7117.29,
    "lp_p50": 9584.07,
    "hold_p10": 7214.86,
    "hold_p50": 9629.39,
    "net_pnl_p25": -132.27,
    "net_pnl_p50": -47.68,
    "net_pnl_p75": -6.43,
    "accumulated_fees": 0
  },
  "response_time_ms": 14,
  "simulation_params": {
    "days": 90,
    "fee_apy": 0,
    "correlation": 0.5,
    "volatility_a": 0.65,
    "volatility_b": 0.45,
    "token_a_price": 2500,
    "token_b_price": 1,
    "investment_usd": 10000,
    "num_simulations": 200
  }
}