Marketplace · API · x402

api.vextorium.com/v1/evm-utils

EVM developer utilities: keccak256 hash, function selector from a signature, EIP-55 checksum address and wei/gwei/ether conversion.

Endpointhttps://api.vextorium.com/v1/evm-utils
TrustNot checked yet
PricingPay per call with x402, no account. Call it to get an exact quote before paying.
networksolana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp
schemeexact
pay toHcjfmZLgWRZzwj4deEiS7pewc4KBYSw39mW5nTyt3pz2
methodPOST
last updated2026-11-06T23:42:19.827Z

Use it

Call it (an x402 client pays automatically)

curl -i https://api.vextorium.com/v1/evm-utils
# 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-fac7fce1edaf308f

Search the whole marketplace from your agent (MCP)

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