最初のAPIリクエスト

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node --version
npm --version
mkdir hazbase-day1
cd hazbase-day1
npm init -y
npm pkg set type=module
npm install --save-exact @hazbase/kit@0.9.0

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import { createHazbaseWalletClient, HazbaseWalletApiError } from "@hazbase/kit/wallet";

// Read-only: no private key, signature, transfer, or transaction is used.
const apiEndpoint = process.env.HAZBASE_API_ENDPOINT || "https://api.hazbase.com";
const chainId = Number(process.env.CHAIN_ID || "11155111");
if (!Number.isSafeInteger(chainId) || chainId <= 0)
  throw new Error("CHAIN_ID must be a positive integer.");
const wallet = createHazbaseWalletClient({
  apiEndpoint,
  fetcher: (url, options) => {
    const headers = new Headers(options?.headers);
    if (process.env.HAZBASE_API_KEY) headers.set("X-Hazbase-Api-Key", process.env.HAZBASE_API_KEY);
    return fetch(url, { ...options, headers, signal: AbortSignal.timeout(15000) });
  },
});
try {
  const result = await wallet.listTokens({ chainId });
  console.log("Connected to:", apiEndpoint);
  console.log("Chain ID:", chainId);
  console.log("Tokens returned:", result.tokens.length);
  console.table(
    result.tokens.map(({ name, symbol, standard, decimals, transferable }) => ({
      name,
      symbol,
      standard,
      decimals,
      transferable,
    })),
  );
  if (result.tokens.length === 0)
    console.log("Connection succeeded. No tokens are configured for this chain.");
} catch (error) {
  if (error instanceof HazbaseWalletApiError) {
    console.error("HTTP status:", error.status, "Code:", error.code ?? "not provided");
  }
  console.error(error instanceof Error ? error.message : String(error));
  process.exitCode = 1;
}

node index.mjs

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{
  "tokens": []
}

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curl --fail-with-body --max-time 15 \
  "https://api.hazbase.com/api/wallet/tokens?chainId=11155111" \
  -H "Accept: application/json"