mirrored listing x402 eip155:8453

Ranked cross-DEX arbitrage spreads across every liquid pair on Base (BaseSwap, SushiSwap a

Ranked cross-DEX arbitrage spreads across every liquid pair on Base (BaseSwap, SushiSwap and Uniswap v3). Returns opportunities[] with pair, grossSpreadBps, buyAt, sellAt, optimalTradeSizeUsd, capturable. GROSS, before gas and MEV. Optional ?minSpreadBps=20 (default 10), minVenueTvlUsd, limit. Send one param: a bare call skips the free tier. Errors: 400 bad_min_spread. Scans EVERY pair; for one known pair use /route. Chain-pinned; bare /scan = BSC.

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Claim this listing
10000 (raw units)
price
1
calls / 30d
1
unique payers
2026-08-30
updated

Provider

x402.donnyautomation.com · discovered, not yet claimed by its owner

Payment (x402 accepts[])

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x2740651e046c59aB2A6510401140643292d3a96F",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "10000",
    "maxTimeoutSeconds": 300
  }
]

Output schema

{
  "bazaar": {
    "info": {
      "input": {
        "method": "GET",
        "queryParams": {
          "minSpreadBps": "20"
        },
        "type": "http"
      },
      "output": {
        "example": {
          "chainId": 8453,
          "network": "base",
          "ts": "2026-07-31T00:00:00.000Z"
        },
        "type": "json"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "method": {
              "enum": [
                "GET"
              ],
              "type": "string"
            },
            "queryParams": {
              "properties": {
                "minSpreadBps": {
                  "description": "Minimum gross spread to report (default 10). Also minVenueTvlUsd (default 1000) and limit.",
                  "type": "string"
                }
              },
              "required": [
                "minSpreadBps"
              ],
              "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"
    }
  }
}

Use it

curl

curl "https://x402.donnyautomation.com/base/scan"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

JavaScript

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

Python

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

Machine-readable

Everything on this page is also available as clean JSON at /resources/4955.json, and this resource appears in /discovery/resources and /discovery/search.