ToolAssay

Pre-Flight Base Swap Heuristic & Unsigned Calldata Linter

Pre-Flight Base Swap Heuristic & Unsigned Calldata Linter: screens token/router/hook addresses against OFAC SDN, checks Uniswap v4 hook-delta flags and slippage bounds, and formats an unsigned ERC-20 approve + swap transaction template (integrator_fee_bps: 0, never signs or broadcasts). Also available at aliases /v1/x402/defi/pre-flight-swap-audit and /v1/swap/build-quote.

Not tested: has real-world effectsour last check, 2026-10-31
0 of 0checks answered this week
n/amedian answer time
$0.02listed price per call
n/aprice it asked us

Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.

Endpoint

GET https://bot-bazaar.fly.dev/v1/x402/defi/unsigned-swap-calldata-linter

CategoryCode and developer
Provider hostbot-bazaar.fly.dev
Networkseip155:8453
Payment schemesexact
Self-reported calls, 30 days1 from 1 payers (the provider's figure, not ours)

Our checks, last 30 days

We never call tools that send, buy, move money or file anything, not even without paying.

Example input (from the provider)

{
  "method": "GET",
  "queryParams": {
    "amount_in_atomic": "100000000",
    "token_in": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
  },
  "type": "http"
}

Promised output schema (from the provider)

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "method": {
          "enum": [
            "GET",
            "HEAD",
            "DELETE"
          ],
          "type": "string"
        },
        "queryParams": {
          "properties": {
            "amount_in_atomic": {
              "description": "Input amount in atomic token units",
              "type": "string"
            },
            "dex_router": {
              "description": "Target Base router (uniswap_universal_router, aerodrome_v2, odos_v2, zerox_settler)",
              "type": "string"
            },
            "from_address": {
              "description": "Caller unhosted wallet 0x address",
              "pattern": "^0x[0-9a-fA-F]{40}$",
              "type": "string"
            },
            "slippage_bps": {
              "description": "Max slippage tolerance in bps (e.g. 50)",
              "type": "string"
            },
            "token_in": {
              "description": "Input ERC-20 token address on Base",
              "pattern": "^0x[0-9a-fA-F]{40}$",
              "type": "string"
            },
            "token_out": {
              "description": "Output ERC-20 token address on Base",
              "pattern": "^0x[0-9a-fA-F]{40}$",
              "type": "string"
            }
          },
          "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"
}

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