Automatic Fee Retry

import { randomUUID } from "node:crypto";

const walletId = process.env.WALLET_ID;
const apiKey = process.env.PARA_API_KEY;
const recipient = process.env.RECIPIENT_ADDRESS;
if (!walletId || !apiKey || !recipient) {
  throw new Error("Set WALLET_ID, PARA_API_KEY, and RECIPIENT_ADDRESS");
}

// Save this key and body before sending. Reuse both for HTTP retries.
const idempotencyKey = randomUUID();
const body = {
  to: recipient,
  value: "100000000000000", // 0.0001 ETH
  chainId: "11155111",
  autoRetry: {
    maxExecutionFeeWei: "1000000000000000", // 0.001 ETH execution-gas ceiling
    expiresAt: new Date(Date.now() + 30 * 60 * 1000).toISOString(),
  },
};
const response = await fetch(
  `https://api.beta.getpara.com/v1/wallets/${walletId}/transfer`,
  {
    method: "POST",
    headers: {
      "X-API-Key": apiKey,
      "Content-Type": "application/json",
      "Idempotency-Key": idempotencyKey,
    },
    body: JSON.stringify(body),
  },
);
const result = await response.json();
if (response.status !== 202) throw new Error(JSON.stringify(result));
console.log(result.transactionId, result.status, result.autoRetry);

{
  "to": "RECIPIENT_SOLANA_ADDRESS",
  "value": "1000",
  "network": "SOLANA_DEVNET",
  "autoRetry": {
    "maxExecutionFeeLamports": "50000",
    "expiresAt": "2026-10-10T12:00:00Z"
  }
}