Marketplace · API · x402

x402tap.com/api/rpc

Safelisted read-only JSON-RPC proxy across major EVM chains (base, ethereum, polygon, arbitrum, optimism) — eth_call, eth_getBalance, eth_getTransactionReceipt, eth_getBlockByNumber, and more

Endpoint	`https://x402tap.com/api/rpc`
Trust	✓ Verified callable · 100% uptime over 1 checks · ~542 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	0xB810B599bc730Aa85800BABe7f5d160524322C86
method	GET
last updated	2026-11-11T06:07:52.743Z

Use it

Call it (an x402 client pays automatically)

curl -i https://x402tap.com/api/rpc
# 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-c063ba8b94043f54

Search the whole marketplace from your agent (MCP)

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