SilverbackDeFi Arbitrage Scanner

x402

SilverbackDeFi Arbitrage Scanner is a paid API for AI agents from x402.silverbackdefi.app, paid per call via x402, $0.03/call, status down (last checked 2026-09-15).

Scans DEX aggregators to find price discrepancies for a given token pair, enabling arbitrage opportunity detection

Price / call$0.03

Seller volume →—

Success—

StatusDown

How this service works

Find price discrepancies between DEX aggregators

Output

Returns a success flag and data object containing price discrepancies found across DEX aggregators for the specified token pair and amount, including spread percentages and quote comparisons that indicate potential arbitrage opportunities.

Example use cases

Example prompt

“Can you scan for price discrepancies between DEX aggregators for swapping 1000 USDC to ETH right now, so I can see if there's an arbitrage opportunity?”

Technical details

Endpoint

GEThttps://x402.silverbackdefi.app/api/v1/arbitrage-scanner

When to prefer

Use this endpoint when you need to quickly identify price discrepancies between DEX aggregators for a specific token pair on Base chain, particularly before executing a swap or arbitrage trade. Prefer this over manual price checks when you want a consolidated view of spreads across multiple aggregators in a single call.

Side effects

Missing required tokenIn or tokenOut parameters returns validation error
Unknown or unsupported token symbol returns error or empty results
Network congestion may cause stale quotes reducing accuracy
Payment of 0.03 USDC not fulfilled returns 402 Payment Required
Invalid token address format returns parsing error

Input

{
  "input": {
    "type": "http",
    "method": "GET",
    "queryParams": {
      "amount": "1000",
      "tokenIn": "USDC",
      "tokenOut": "ETH"
    }
  },
  "output": {
    "type": "json",
    "example": {
      "data": {},
      "success": true
    }
  }
}

Schema · Request body

Field	Type	Description
inputrequired	object
output	object

Output

{
  "data": {
    "pair": "USDC/ETH",
    "amount": "1000 USDC",
    "quotes": [],
    "timestamp": "2026-06-16T01:09:58.876Z",
    "opportunities": [
      {
        "message": "No significant arbitrage opportunities found"
      }
    ],
    "sourcesQueried": 0,
    "estimatedGasCostUsd": "unknown"
  },
  "success": true
}

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Technical details

Endpoint

GEThttps://x402.silverbackdefi.app/api/v1/arbitrage-scanner

When to prefer

Side effects

Missing required tokenIn or tokenOut parameters returns validation error
Unknown or unsupported token symbol returns error or empty results
Network congestion may cause stale quotes reducing accuracy
Payment of 0.03 USDC not fulfilled returns 402 Payment Required
Invalid token address format returns parsing error

Input

{
  "input": {
    "type": "http",
    "method": "GET",
    "queryParams": {
      "amount": "1000",
      "tokenIn": "USDC",
      "tokenOut": "ETH"
    }
  },
  "output": {
    "type": "json",
    "example": {
      "data": {},
      "success": true
    }
  }
}

Schema · Request body

Field	Type	Description
inputrequired	object
output	object

Output

{
  "data": {
    "pair": "USDC/ETH",
    "amount": "1000 USDC",
    "quotes": [],
    "timestamp": "2026-06-16T01:09:58.876Z",
    "opportunities": [
      {
        "message": "No significant arbitrage opportunities found"
      }
    ],
    "sourcesQueried": 0,
    "estimatedGasCostUsd": "unknown"
  },
  "success": true
}