# RugShield Swap Simulation Proof

> RugShield Swap Simulation Proof is a paid API for AI agents from rugshield-402.onrender.com, paid per call via x402, $0.02/call, status unknown (last checked 2026-10-21).

Simulates $1k, $10k, and $50k swap orders on Base Mainnet via state-override to calculate exact slippage, gas overhead, and MEV frontrun exposure for a given token pair.

## Facts

- Endpoint: POST https://rugshield-402.onrender.com/v1/audit/swap-simulation-proof?utm_source=zero.xyz
- Price: $0.02/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-21
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/rugshield-swap-simulation-proof-d5632d80
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_vXSN02u2RPF0hrQ00RcVH

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability rugshield-swap-simulation-proof-d5632d80 -d '<json body>'
```

Example prompt: Simulate buying $1k, $10k, and $50k worth of this token on Base Mainnet and tell me the exact slippage, gas costs, and how exposed I am to MEV frontrunning — I want the full swap simulation proof before I ape in.

## When to prefer this

Choose this endpoint when you need precise, cryptographically-provable swap simulation data on Base Mainnet across three order sizes simultaneously — particularly when MEV frontrun exposure and exact gas overhead are needed before executing a real trade. Prefer this over generic slippage estimators when you need state-override accuracy rather than approximations, or when auditing a token's tradability for large orders.

## Known failure modes

- Invalid or unsupported token contract address returns an error
- RPC state-override failure if Base Mainnet node is unavailable
- Malformed POST body or missing required fields returns validation error
- Token with no liquidity pool may produce no simulation result
- Payment of $0.02 USDC not processed results in 402 rejection

## How this service works

Executes state-override simulation of $1k, $10k, and $50k swap orders on Base Mainnet, calculating exact slippage, gas overhead, and MEV frontrun exposure.

## Output

Returns a cryptographic simulation proof with exact slippage percentages, gas overhead figures, and MEV frontrun exposure metrics for $1k, $10k, and $50k swap orders simulated via state-overrides on Base Mainnet, without executing any real on-chain transaction.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "amount_usd": {
   "type": "integer"
  },
  "token_address": {
   "type": "string",
   "description": "token address"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/rugshield-swap-simulation-proof-d5632d80/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from rugshield-402.onrender.com](https://www.zero.xyz/host/rugshield-402.onrender.com/llms.txt)