NattSwap cross-chain swap quote (Li

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x5a78ace5dd133316c8aaf7e156fbfc57e1209cf9",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "1000",
    "maxTimeoutSeconds": 60
  },
  {
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "payTo": "2hAXt3sb2GZrtXx4ae4Ywc7enqrE191nktyL5k2nWSfg",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "1000",
    "maxTimeoutSeconds": 60
  }
]

{
  "bazaar": {
    "info": {
      "input": {
        "method": "GET",
        "queryParams": {
          "fromAddress": "0x0000000000000000000000000000000000000001",
          "fromAmount": "1000000",
          "fromChain": "8453",
          "fromToken": "USDC",
          "toAddress": "0x0000000000000000000000000000000000000001",
          "toChain": "42161",
          "toToken": "USDC"
        },
        "type": "http"
      },
      "output": {
        "example": {
          "execution_readiness": {
            "can_execute": true,
            "next_step": {
              "message": "Call swap_via_nattswap MCP tool to get execution instructions"
            },
            "signer_match": true
          },
          "quote": {
            "estimatedDurationSeconds": 60,
            "fromAmount": "1000000",
            "toAmount": "997500",
            "tool": "lifi"
          },
          "success": true,
          "wallet_onboarding_v1": {
            "doc_url": "https://github.com/DIALLOUBE-RESEARCH/hypernatt-terminal/blob/main/docs/swap-agentkit.md"
          }
        },
        "type": "json"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "method": {
              "enum": [
                "GET",
                "HEAD",
                "DELETE"
              ],
              "type": "string"
            },
            "queryParams": {
              "properties": {
                "fromAddress": {
                  "description": "Your agent hot wallet (must sign the swap). Not a Hyperliquid vault address. Prefer MCP swap_via_nattswap (free).",
                  "type": "string"
                },
                "fromAmount": {
                  "description": "Amount in atomic units",
                  "type": "string"
                },
                "fromChain": {
                  "description": "Source chain id (e.g. 8453 for Base)",
                  "type": "string"
                },
                "fromToken": {
                  "type": "string"
                },
                "slippage": {
                  "type": "string"
                },
                "toAddress": {
                  "type": "string"
                },
                "toChain": {
                  "description": "Destination chain id",
                  "type": "string"
                },
                "toToken": {
                  "type": "string"
                }
              },
              "required": [
                "fromChain",
                "toChain",
                "fromToken",
                "toToken",
                "fromAmount",
                "fromAddress",
                "toAddress"
              ],
              "type": "object"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method"
          ],
          "type": "object"
        },
        "output": {
          "properties": {
            "example": {
              "type": "object"
            },
            "type": {
              "type": "string"
            }
          },
          "required": [
            "type"
          ],
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "type": "object"
    }
  },
  "builder-code": {
    "info": {
      "a": "bc_44pslzw2"
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "additionalProperties": false,
      "properties": {
        "a": {
          "description": "App builder code",
          "pattern": "^[a-z0-9_]{1,32}$",
          "type": "string"
        },
        "s": {
          "description": "Service builder codes",
          "items": {
            "pattern": "^[a-z0-9_]{1,32}$",
            "type": "string"
          },
          "type": "array"
        },
        "w": {
          "description": "Wallet builder code",
          "pattern": "^[a-z0-9_]{1,32}$",
          "type": "string"
        }
      },
      "type": "object"
    }
  }
}

curl "https://hypernatt.com/api/m2m/swap/quote"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

const res = await fetch("https://hypernatt.com/api/m2m/swap/quote");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

import httpx
res = httpx.get("https://hypernatt.com/api/m2m/swap/quote")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header