npm install @blend-money/sdk

import { BlendClient } from "@blend-money/sdk";
import { http } from "viem";

const client = new BlendClient({
  baseUrl: "https://api.blend.money",
  apiKey: "YOUR_API_KEY",
  neobankId: "YOUR_NEOBANK_ID",
  accountTypeId: "YOUR_ACCOUNT_TYPE_ID",
  transports: {
    8453: http("https://base-mainnet.g.alchemy.com/v2/YOUR_ALCHEMY_KEY"),
  },
  paymasterTransport: http(
    "https://api.pimlico.io/v2/8453/rpc?apikey=YOUR_PIMLICO_KEY"
  ),
});

// Get or create Safe account for a user EOA
const account = await client.integration.safe.account(userEoa);

// Fetch aggregate balance per chain and total USD
const balance = await client.integration.balance.get(account.accountId);

console.log("Safe:", account.safeAddress);
console.log("Balance:", balance);

import { SdkError } from "@blend-money/sdk";

try {
  const account = await client.integration.safe.account(userEoa);
  const balance = await client.integration.balance.get(account.accountId);
  console.log("Success:", balance);
} catch (error) {
  const sdkError = error instanceof SdkError
    ? error
    : SdkError.fromAxiosError(error);
  if (sdkError.isRetryable()) {
    console.error("Temporary failure, retry later:", sdkError.getUserMessage());
  } else {
    console.error("Error:", sdkError.getUserMessage());
  }
}

// 1. Ensure Safe account exists for the user
const account = await client.integration.safe.account(userEoa);

// 2. Get tokens available for cross-chain deposit (Base)
const tokens = await client.integration.crosschain.getTokens(8453);

// 3. Check user's ERC-20 balances on source chain
const balances = await client.integration.crosschain.getBalances(userEoa, 8453);

// 4. Get quote for cross-chain deposit (1 USDC)
const quote = await client.integration.crosschain.getQuote({
  chainId: 8453,
  inputAssetAddress: usdcAddress,
  eoa: userEoa,
  amount: "1000000", // 1 USDC
});

// Use quote to construct your cross-chain deposit flow
console.log("Quote:", quote);