80trust / 100
Hello
by open-pay.jp in Markets & finance
x402 APIPassing, checked 4 h ago
End-to-end smoke test for x402 clients: returns a greeting plus the settlement timestamp, so an agent can prove its payment path works before spending on real data.
GET https://open-pay.jp/api/paid/hello
Last 30 days
All checks passedSome failedAll failedNot checked
- Uptime
- 100%
- Response time
- 610 ms typical, 610 ms slowest 5%
- Last check
- 4 h ago
- Next check
- any minute now
How to call it
# See the payment challenge (nothing is charged)
curl -i -X GET "https://open-pay.jp/api/paid/hello"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 $0.03:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fopen-pay.jp%2Fapi%2Fpaid%2Fhello
const res = await pay("https://open-pay.jp/api/paid/hello");
console.log(await res.json());Example output
{
"message": "Hello, paid AI agent.",
"timestamp": "2026-08-20T23:02:04.176Z"
}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 |
|---|---|---|---|---|
| 4 h ago | Passed | 402 | 610 ms | $0.001 |