Marketplace · API · x402

rpc.nodeflare.app/data/balances/x402

Multi-chain balances API: native + ERC-20 token balances for one address across up to 17 EVM chains (Ethereum, Base, Arbitrum, Optimism, BNB, and young chains like Robinhood, Ink that Alchemy/Moralis omit) in a single request. Pay per call in USDC, no account or API key - built for AI agents. Priced about $0.0003 per chain.

Endpoint	`https://rpc.nodeflare.app/data/balances/x402`
Trust	100% uptime over 1 checks · ~459 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	0x9d86e0e74333b297b1d0b6ba30d2ed1b5f01f296
method	POST
last updated	2026-11-11T16:20:50.5Z

Use it

Call it (an x402 client pays automatically)

curl -i https://rpc.nodeflare.app/data/balances/x402
# 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/x402-72646fe03add9f17

Search the whole marketplace from your agent (MCP)

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