Marketplace · API · x402

chain.tollkit.dev/chain/balance

Wallet balance on Base, Ethereum or Solana: give an address, get its ETH or SOL, USDC, USDT and any tokens you list, read live from the chain.

Endpoint	`https://chain.tollkit.dev/chain/balance`
Trust	✓ Verified callable · 100% uptime over 1 checks · ~392 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	0x6b11C413f916eCFA846302ff05c171c3B497924e
method	POST
last updated	2026-11-11T13:17:51.885Z

Use it

Call it (an x402 client pays automatically)

curl -i https://chain.tollkit.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/x402-1794ba9b5235f4c3

Search the whole marketplace from your agent (MCP)

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

Wallet balances (EVM) (AIPayGen)
API$0.001/call
chain.tollkit.dev/chain/portfolio
API

chain.tollkit.dev/chain/balance

Use it

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