$0.002
per call · USD Coin on Base
Paid x402 capability check for this GPT-5.6 Luna gateway. GET version for agents, crawlers, and wallets that prefer a simple no-body settlement proof. This endpoint settles a small x402 payment and returns service metadata without calling the upstream model.
Endpoint
GET https://gpt55.558686.xyz/v1/x402-ping1
Calls / 30d
1
Unique payers / 30d
Aug 12
Last called
exact
Payment scheme
Call this service
import { wrapFetchWithPayment } from "@x402/fetch";
import { privateKeyToAccount } from "viem/accounts";
const account = privateKeyToAccount(process.env.PRIVATE_KEY);
const fetchWithPay = wrapFetchWithPayment(fetch, account);
const res = await fetchWithPay("https://gpt55.558686.xyz/v1/x402-ping", {
method: "GET",
});
const data = await res.json();curl -X GET \
"https://gpt55.558686.xyz/v1/x402-ping" \
-H "X-PAYMENT: <signed x402 payment>"Example response
{
"model": "gpt-5.6-luna",
"ok": true,
"service": "gpt55-token-gateway"
}Payment details
0x1f0130669ca6fd02e025a984cc038f139df19a2fUSD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913Is this your API?
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