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
| When | Result | HTTP | Time | Price |
|---|---|---|---|---|
| 2 h ago | Passed | 402 | 435 ms | $0.001 |
| 7 h ago | Passed | 402 | 178 ms | $0.001 |