Marketplace · API · x402

blockchain-api.x402-chain-tools.workers.dev/chain/balance

Check the native ETH balance or gas balance of a Base wallet address. Use this to see how much Base ETH the wallet has.

Endpointhttps://blockchain-api.x402-chain-tools.workers.dev/chain/balance
Trust100% uptime over 1 checks · ~271 ms
PricingPay per call with x402, no account. Call it to get an exact quote before paying.
networkeip155:8453
schemeexact
pay to0xa7e1fe3744E3b6D55237d95cE575cAFe3b8abeCD
methodPOST
last updated2026-11-01T06:59:42.157Z

Use it

Call it (an x402 client pays automatically)

curl -i https://blockchain-api.x402-chain-tools.workers.dev/chain/balance
# 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/x402-121e6c193b5b2cf0

Search the whole marketplace from your agent (MCP)

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

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