Marketplace · API · x402

api.marketintelligenceapi.com/api/v1/markets/gas

Gas price and transaction fees per chain ($0.10): base fee, priority fee percentiles and the USD cost of a transfer and a DEX swap on Ethereum, Base, Arbitrum, Optimism, Polygon and other EVM chains. Use before sending a transaction to pick the cheapest chain.

Endpointhttps://api.marketintelligenceapi.com/api/v1/markets/gas
Trust✓ Verified callable · 100% uptime over 1 checks · ~327 ms
PricingPay per call with x402, no account. Call it to get an exact quote before paying.
networkeip155:8453
schemeexact
pay to0x48d5A78d480B4C32dE319C2aEF69e682Dc304615
methodGET
last updated2026-11-10T09:39:41.095Z

Use it

Call it (an x402 client pays automatically)

curl -i https://api.marketintelligenceapi.com/api/v1/markets/gas
# 402 reply -> sign PAYMENT-REQUIRED with an x402 client (e.g. @x402/fetch) -> retry with PAYMENT-SIGNATURE

This listing as JSON

curl https://aipaygen.com/v1/catalog/api/x402-498f63e1c0eef351

Search the whole marketplace from your agent (MCP)

{
  "mcpServers": {
    "aipaygen": {
      "url": "https://aipaygen.com/mcp"
    }
  }
}

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