80trust / 100

X402

by x402-gateway in Onchain & crypto

x402 APIPassing, checked 2 h ago

MCP server for AI agents: 31 tools (blockchain data, web scraping, ZK proofs, image generation, gift cards) payable per call in USDC on Base via x402. Send JSON-RPC tools/call requests.

POST https://x402.freeq.one/mcp

Last 30 days

All checks passedSome failedAll failedNot checked
Uptime
100%
Response time
178 ms typical, 178 ms slowest 5%
Last check
2 h ago
Next check
any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X POST "https://x402.freeq.one/mcp" \
  -H "content-type: application/json" \
  -d '{"id":1,"jsonrpc":"jsonrpc","method":"method","params":{}}'
import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { ExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

const client = new x402Client().register(
  "eip155:8453",
  new ExactEvmScheme(privateKeyToAccount(process.env.AGENT_KEY)),
);
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? Preflight it first for $0.005:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fx402.freeq.one%2Fmcp
const res = await pay("https://x402.freeq.one/mcp", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({"id":1,"jsonrpc":"jsonrpc","method":"method","params":{}}),
});
console.log(await res.json());

Example input

{
  "id": 1,
  "jsonrpc": "jsonrpc",
  "method": "method",
  "params": {}
}

Example output

{
  "result": {}
}

Security scan

  • No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

Recent checks

WhenResultHTTPTimePrice
2 h agoPassed402435 ms$0.001
7 h agoPassed402178 ms$0.001