Can I enter?

// npm i @x402/fetch @x402/evm viem   (Node 18+)
// WARNING: running this spends real USDC ($0.03/call, Base mainnet).
// Inspect the offer first, free of charge:
const probe = await fetch("https://api.canienter.com/v1/check?passport=NLD&destination=JPN");
console.log(probe.status, /* 402 */ JSON.parse(atob(probe.headers.get("PAYMENT-REQUIRED"))));

// Then pay per call — key from an env var, never hardcoded or logged:
import { wrapFetchWithPaymentFromConfig } from "@x402/fetch";
import { ExactEvmScheme } from "@x402/evm";
import { privateKeyToAccount } from "viem/accounts";

const account = privateKeyToAccount(process.env.X402_PRIVATE_KEY);
const payFetch = wrapFetchWithPaymentFromConfig(fetch, { schemes: [
  { network: "eip155:8453", client: new ExactEvmScheme(account) }]});

const res = await payFetch(
  "https://api.canienter.com/v1/check?passport=NLD&destination=JPN");
if (!res.ok) throw new Error("check failed: " + res.status);
const { requirement, allowed_stay_days } = await res.json();

# The API publishes its own agent skill (Claude Code paths shown;
# Codex/Cursor/other agents: use your agent's skills directory)
mkdir -p ~/.claude/skills/visa-check
curl -s "https://api.canienter.com/.well-known/agent-skills/visa-check/SKILL.md" \
  -o ~/.claude/skills/visa-check/SKILL.md

# Discovery index with the SKILL.md sha256 digest (verify, updates, extras):
curl -s "https://api.canienter.com/.well-known/agent-skills/index.json"

# Remove: delete ~/.claude/skills/visa-check

یہ اسکل ایجنٹ کو داخلے کی شرائط دیکھنے اور x402 کے ذریعے فی درخواست ادائیگی کی سہولت دیتی ہے۔ API کلید سرے سے ہے ہی نہیں، تو لیک ہونے کا خطرہ بھی نہیں۔