Marketplace · API · x402

agent402.tools/api/usdc-balance

Read the USDC balance of any address on Base, Polygon, Arbitrum, Optimism, Ethereum, Monad, Celo, Avalanche, Sei, or Arc. Read-only on-chain call. The minimal single-token read for payment flows - for EVERY token a wallet holds in one call use wallet-balance.

Endpoint	`https://agent402.tools/api/usdc-balance`
Trust	Not checked yet
Pricing	Pay per call with x402, no account. Call it to get an exact quote before paying.
network	eip155:8453
scheme	exact
pay to	0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0
method	GET
last updated	2026-11-13T00:32:05.855Z

Use it

Call it (an x402 client pays automatically)

curl -i https://agent402.tools/api/usdc-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-ce352eaad09fad00

Search the whole marketplace from your agent (MCP)

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

Wallet balances (EVM) (AIPayGen)
API$0.001/call

agent402.tools/api/usdc-balance

Use it

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