Find the cheapest EVM chain before you transact. Compares live gas across Ethere...
https://api.mgo.chain-ops.xyz/gas/basicOverview
Find the cheapest EVM chain before you transact. Compares live gas across Ethereum, Base, Arbitrum & Optimism and returns the cheapest chain with savings % (e.g. "Use Base — saves 99.8% vs Ethereum"). Call this before bridging, deploying, or any tx with chain flexibility. $0.001 USDC, no API key.
Protocol
x402
Price
$0.0010
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
uncategorized
Provider
mgo
Source
bazaar
Indexed
2026-11-02 06:21:17
Health
Status
unknown
Latency (p50)
—
Uptime (30d)
—
Reliability Score
—
Last Checked
Never
Last Healthy
Never
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
—
Asset Verified
—
Facilitator
—
Input Schema
{
"method": "GET",
"queryParams": {},
"type": "http"
}
Output Schema
{
"example": {
"chains": [
{
"chain": "Ethereum",
"chainId": 1,
"estimatedCosts": {
"dexSwap": {
"gasUnits": "150000",
"label": "DEX swap (Uniswap-style)",
"native": "0.00030000",
"usdc": 5.12
},
"erc20Transfer": {
"gasUnits": "65000",
"label": "ERC-20 token transfer",
"native": "0.00013000",
"usdc": 2.2016
},
"nativeTransfer": {
"gasUnits": "21000",
"label": "Simple native token transfer",
"native": "0.00004200",
"usdc": 0.7168
}
},
"gasPrice": {
"baseFeeGwei": "12.3456",
"priorityFeeGwei": "0.0010",
"totalFeeGwei": "12.3456"
},
"nativeToken": "ETH",
"status": "ok",
"tokenPriceUsd": 3500
},
{
"chain": "Base",
"chainId": 8453,
"estimatedCosts": {
"dexSwap": {
"gasUnits": "150000",
"label": "DEX swap (Uniswap-style)",
"native": "0.00030000",
"usdc": 0.001
},
"erc20Transfer": {
"gasUnits": "65000",
"label": "ERC-20 token transfer",
"native": "0.00013000",
"usdc": 0.00043
},
"nativeTransfer": {
"gasUnits": "21000",
"label": "Simple native token transfer",
"native": "0.00004200",
"usdc": 0.00014
}
},
"gasPrice": {
"baseFeeGwei": "0.0100",
"priorityFeeGwei": "0.0010",
"totalFeeGwei": "0.0100"
},
"nativeToken": "ETH",
"status": "ok",
"tokenPriceUsd": 3500
},
{
"chain": "Arbitrum",
"chainId": 42161,
"estimatedCosts": {
"dexSwap": {
"gasUnits": "150000",
"label": "DEX swap (Uniswap-style)",
"native": "0.00030000",
"usdc": 0.002
},
"erc20Transfer": {
"gasUnits": "65000",
"label": "ERC-20 token transfer",
"native": "0.00013000",
"usdc": 0.00086
},
"nativeTransfer": {
"gasUnits": "21000",
"label": "Simple native token transfer",
"native": "0.00004200",
"usdc": 0.00028
}
},
"gasPrice": {
"baseFeeGwei": "0.0200",
"priorityFeeGwei": "0.0010",
"totalFeeGwei": "0.0200"
},
"nativeToken": "ETH",
"status": "ok",
"tokenPriceUsd": 3500
},
{
"chain": "Optimism",
"chainId": 10,
"estimatedCosts": {
"dexSwap": {
"gasUnits": "150000",
"label": "DEX swap (Uniswap-style)",
"native": "0.00030000",
"usdc": 0.0015
},
"erc20Transfer": {
"gasUnits": "65000",
"label": "ERC-20 token transfer",
"native": "0.00013000",
"usdc": 0.000645
},
"nativeTransfer": {
"gasUnits": "21000",
"label": "Simple native token transfer",
"native": "0.00004200",
"usdc": 0.00021
}
},
"gasPrice": {
"baseFeeGwei": "0.0150",
"priorityFeeGwei": "0.0010",
"totalFeeGwei": "0.0150"
},
"nativeToken": "ETH",
"status": "ok",
"tokenPriceUsd": 3500
}
],
"recommendation": {
"action": "Use Base — saves 99.8% vs Ethereum",
"cheapestChain": "Base",
"cheapestChainId": 8453,
"estimatedCostsUsdc": {
"dexSwap": 0.001
},
"vsExpensive": {
"chain": "Ethereum",
"dexSwapUsdc": 5.12,
"savingsPercent": "99.8%"
}
},
"success": true,
"tier": "basic",
"timestamp": "2026-03-08T10:00:00.000Z",
"tokenPrices": {
"ETH": 3500
},
"totalLatencyMs": 420
},
"type": "json"
}