Break-even price calculator API

Compute the break-even exit price covering round-trip fees: long BE = entry·(1+feeIn)/(1−feeOut) (short inverts), plus the required % move. Deterministic trading math. Answers 'what price do I break even at','move needed to cover fees','break-even after taker fees'.

Price$0.01per request

MethodPOST

Route/v1/calc/cryptocalc-break-even-price

StatusLive

MIME typeapplication/json

Rate limit120/minute

CacheNo cache

calccryptotradingbreak-evenfeestakermakerpnl

API URLhttps://x402.hexl.dev/v1/calc/cryptocalc-break-even-price

Integration docs

Example request

{
  "entryPrice": 30000,
  "feeIn": 0.001,
  "feeOut": 0.001,
  "side": "long"
}

Example response

{
  "formula": "BE = entry·(1+feeIn)/(1−feeOut)",
  "side": "long",
  "entryPrice": 30000,
  "feeInPct": 0.1,
  "feeOutPct": 0.1,
  "breakEvenPrice": 30060.06006006,
  "requiredMovePct": 0.2002
}

Input schema

{
  "type": "object",
  "required": [
    "entryPrice"
  ],
  "properties": {
    "entryPrice": {
      "type": "number",
      "examples": [
        30000
      ]
    },
    "feeIn": {
      "type": "number",
      "description": "entry fee (decimal)",
      "examples": [
        0.001
      ]
    },
    "feeOut": {
      "type": "number",
      "description": "exit fee (decimal)",
      "examples": [
        0.001
      ]
    },
    "side": {
      "type": "string",
      "enum": [
        "long",
        "short"
      ],
      "examples": [
        "long"
      ]
    }
  }
}

Output schema

{
  "type": "object",
  "additionalProperties": true
}