81trust / 100
Probe
by x402-paywall-probe in Onchain & crypto
x402 APIPassing, checked 31 min ago
Probe any public URL and report if it is an x402 paywall - price, network, payTo, scheme. Shop paywalls before you spend. Try GET /probe/sample.
GET https://x402.agentindex.world/probe
Last 30 days
All checks passedSome failedAll failedNot checked
- Uptime
- 100%
- Response time
- 47 ms typical, 47 ms slowest 5%
- Last check
- 31 min ago
- Next check
- any minute now
How to call it
# See the payment challenge (nothing is charged)
curl -i -X GET "https://x402.agentindex.world/probe?url=https%3A%2F%2Fx402.shizu.me%2Fweather%3Flat%3D48.85%26lon%3D2.35"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.agentindex.world%2Fprobe
const res = await pay("https://x402.agentindex.world/probe?url=https%3A%2F%2Fx402.shizu.me%2Fweather%3Flat%3D48.85%26lon%3D2.35");
console.log(await res.json());Example input
{
"url": "https://x402.shizu.me/weather?lat=48.85&lon=2.35"
}Example output
{
"http_status": 402,
"is_x402": true,
"network": "base",
"pay_to": "0x217e5Fe265EB78b29067bF8324ef03a7D8e167C4",
"price_usdc": 0.004,
"reachable": true,
"scheme": "exact",
"url": "https://x402.shizu.me/weather?lat=48.85&lon=2.35",
"x402_version": 1
}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 |
|---|---|---|---|---|
| 31 min ago | Passed | 402 | 74 ms | $0.001 |
| 6 h ago | Passed | 402 | 47 ms | $0.001 |