# Smarty Swap Safety

> Inspect a proposed Solana swap before execution using fresh RPC and Jupiter evidence.

Base URL: https://smarty-money.vercel.app
OpenAPI: https://smarty-money.vercel.app/openapi.json

## Paid endpoints

- POST /swap-safety — Solana x402 v2, $0.01 USDC
- POST /mpp/swap-safety — Solana MPP charge, 10,000 atomic USDC ($0.01)

## JSON input

- inputMint: Solana mint address
- outputMint: different Solana mint address
- amount: positive input amount in atomic units, encoded as a string
- slippageBps: optional integer from 1 to 500; default 50

The successful JSON response includes mint-authority checks, executable forward and reverse Jupiter quotes, expected round-trip loss, RPC slots, and a PASS or REJECT verdict. Runtime 402 challenges are authoritative.