---
title: "Liquidation price for a leveraged long or short (isolated margin), plus the % move to liquidation."
method: POST
path: "/v1/crypto/liquidation-price"
tags: ["Crypto & DeFi"]
---

# Liquidation price for a leveraged long or short (isolated margin), plus the % move to liquidation.

`POST /v1/crypto/liquidation-price`

## Request

- Base URL: `` (relative, and it does not resolve against the document’s source URL)
- URL: `/v1/crypto/liquidation-price`
- Auth: none declared

Liquidation price for a leveraged long or short (isolated margin), plus the % move to liquidation.

Payment: x402 ($0.05 USDC on eip155:8453). Call unpaid to receive an HTTP 402 with requirements, then retry with the PAYMENT-SIGNATURE header. Method: long: entry*(1 - 1/L + mmr); short: entry*(1 + 1/L - mmr), L = leverage, mmr = maintenance margin rate

## Request body

- object
  - `side` 'long' | 'short'
  - `entryPrice` number, required
  - `leverage` number, required
  - `maintenanceMarginRatePct` number

## Response `200`

Verified result + provenance (formula, sources, reproducible SHA-256 hash).

## Other responses

- `400`: Invalid input (no charge) — body echoes the JSON Schema.
- `402`: Payment required — PAYMENT-REQUIRED header carries the x402 accepts[] quote.

---

[API](https://skmtc.dev/x402toll/apis/tollbooth-verified-calculators-for-ai-agents.md) · [All operations](https://skmtc.dev/x402toll/apis/tollbooth-verified-calculators-for-ai-agents/llms.txt) · [OpenAPI document](https://skmtc.dev/x402toll/apis/tollbooth-verified-calculators-for-ai-agents/revisions/60cb70a3e1a5?raw)