Marketplace · API · x402

plainchain.appin60.com/v1/gas

Current gas price on Base, Arbitrum, Ethereum or Optimism, with the USD cost right now of an ETH transfer, ERC-20 transfer, DEX swap and NFT mint. Use before sending a transaction to pick a chain or decide whether to wait.

Endpointhttps://plainchain.appin60.com/v1/gas
Trust✓ Verified callable · 100% uptime over 1 checks · ~570 ms
PricingPay per call with x402, no account. Call it to get an exact quote before paying.
networkeip155:8453
schemeexact
pay to0xB442daCAE60C07bb5dB8f33C8a6c1572d8F24e83
methodGET
last updated2026-11-11T15:22:20.262Z

Use it

Call it (an x402 client pays automatically)

curl -i https://plainchain.appin60.com/v1/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-d0783b813a74ab7f

Search the whole marketplace from your agent (MCP)

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

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