Cash out to any wallet. Any chain, any token.

// Runs on your server — one-time per Flow config.
const res = await fetch(
  `https://api.dynamic.xyz/v0/environments/${process.env.ENV_ID}/checkouts`,
  {
    method: "POST",
    headers: {
      Authorization: `Bearer ${process.env.DYNAMIC_API_TOKEN}`,
      "Content-Type": "application/json",
    },
    body: JSON.stringify({
      // Dynamic's API only accepts "payment" | "deposit" —
      // a withdraw is modeled as a deposit into the user's
      // destination wallet.
      mode: "deposit",
      settlementConfig: {
        strategy: "preferred_order",
        settlements: [
          {
            chainName: "SOL",
            chainId: "101",
            symbol: "USDC",
            tokenAddress: "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
            tokenDecimals: 6,
          },
        ],
      },
      destinationConfig: {
        destinations: [
          {
            chainName: "SOL",
            type: "address",
            identifier: "0xUSER_EXTERNAL_WALLET",
          },
        ],
      },
    }),
  },
);
const { id: flowId } = await res.json();

import { addEvmExtension } from "@dynamic-labs-sdk/evm";
import { createCheckoutTransaction } from "@dynamic-labs-sdk/client";

addEvmExtension();

// Open a transaction against the Flow id returned in Step 01. Returns
// both the transaction and a one-time sessionToken — store the latter.
const { transaction, sessionToken } = await createCheckoutTransaction({
  checkoutId: flowId,
  amount: "5.00",
  currency: "USD",
});

import {
  attachCheckoutTransactionSource,
  getActiveNetworkData,
  getPrimaryWalletAccount,
} from "@dynamic-labs-sdk/client";

const wallet = getPrimaryWalletAccount()!;
const { networkData } = await getActiveNetworkData({ walletAccount: wallet });

await attachCheckoutTransactionSource({
  transactionId: transaction.id,
  fromAddress: wallet.address,
  fromChainId: String(networkData.networkId),
  fromChainName: wallet.chain,
});
// 403 → source blocked by risk/sanctions screening.

import {
  getBalances,
  getCheckoutTransactionQuote,
} from "@dynamic-labs-sdk/client";

// First non-zero balance — production would let the user pick which
// token to pay with.
const [fromToken] = await getBalances({ walletAccount: wallet });

const quoted = await getCheckoutTransactionQuote({
  transactionId: transaction.id,
  fromTokenAddress: fromToken.address,
  slippage: 0.005, // 0.5%
});
// quoted.quote.expiresAt — re-quote if the user takes longer than 60s.

import { submitCheckoutTransaction } from "@dynamic-labs-sdk/client";

// One helper handles all three sub-stages:
//   1. prepare  → fetch the signing payload
//   2. sign     → wallet popup appears here
//   3. broadcast → notify Dynamic of the on-chain txHash
await submitCheckoutTransaction({
  transactionId: transaction.id,
  walletAccount: wallet,
});