Marketplace · API · x402

md.fastdb.in/pulse/gas

Live gas on Ethereum, Base, Arbitrum, Optimism, Polygon — base fee, priority fee tiers, and USD transfer cost, straight from chain RPC.

Endpoint	`https://md.fastdb.in/pulse/gas`
Trust	100% uptime over 1 checks · ~564 ms
Pricing	Pay per call with x402, no account. Call it to get an exact quote before paying.
network	eip155:8453
scheme	exact
pay to	0x072F3a2bD93bB75b1Eb84a9E45D17a4F90a6D801
method	POST
last updated	2026-11-11T13:43:43.885Z

Use it

Call it (an x402 client pays automatically)

curl -i https://md.fastdb.in/pulse/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/x402-72b89ebea550d120

Search the whole marketplace from your agent (MCP)

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