Marketplace · API · x402

evmstate.com/v1/state-batch/50

Read-only EVM state API for wallet snapshots, ERC-20 balances, token allowances, contract code, block heights, and bounded eth_call reads across Ethereum, Base, Arbitrum, Optimism, and Polygon. Fixed price: $0.10 USDC on Base for a batch of up to 50 checks. Only submitted checks run. Results are provider-reported RPC data, not cryptographic proofs.

Endpoint	`https://evmstate.com/v1/state-batch/50`
Trust	100% uptime over 1 checks · ~161 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	0xF33aEE5D3c11153BbF1cFb076d0793DE52F573e8
method	POST
last updated	2026-10-05T08:09:40.473Z

Use it

Call it (an x402 client pays automatically)

curl -i https://evmstate.com/v1/state-batch/50
# 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/x402-87895bc1fa97a57f

Search the whole marketplace from your agent (MCP)

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