Transfer routing

When you call transfer(), Prudra inspects fromToken, toToken, fromChain (inferred from the wallet), and toChain to select the optimal route. You never specify the route — Prudra picks it.

Routing logic

Route details

Direct (`direct`)

Used when fromToken === toToken and source/destination chains are the same.

Executes a standard ERC-20 transfer() call
No intermediary protocol
Cheapest option — gas only, typically under $0.01 on Base/Optimism
Confirms in the next block (1–2 seconds on Base)

// Direct: Base USDC → Base USDC
const tx = await transfer({
  fromWalletId:   'mwt_clx1abc123',
  fromWalletType: 'master',
  fromToken:      Token.USDC,
  toAddress:      recipientAddress,
  toChain:        Chain.BASE,
  toToken:        Token.USDC,  // same token
  amount:         '1.00',
});
// tx.route === 'direct'

Swap (`lifi-swap`)

Used when fromToken !== toToken on the same chain.

Routes through the Li.Fi aggregator to find the best DEX
Slippage is managed automatically (0.5% default)
Protocol fee applies (typically 0.3–0.5% of the swap amount)
Confirms in the same block as the swap transaction

// Swap: Base USDC → Base USDT
const tx = await transfer({
  fromWalletId:   'mwt_clx1abc123',
  fromWalletType: 'master',
  fromToken:      Token.USDC,
  toAddress:      recipientAddress,
  toChain:        Chain.BASE,
  toToken:        Token.USDT,  // different token
  amount:         '5.00',
});
// tx.route === 'lifi-swap'

Bridge (`lifi-bridge`)

Used when toChain !== fromChain.

Routes through the Li.Fi bridge aggregator
Selects the cheapest/fastest bridge automatically
Status starts as pending — confirmation takes 1–20 minutes
A transfer.completed webhook fires when the destination chain confirms

// Bridge: Base USDC → Polygon USDC
const tx = await transfer({
  fromWalletId:   'mwt_clx1abc123',
  fromWalletType: 'master',
  fromToken:      Token.USDC,
  toAddress:      recipientAddress,
  toChain:        Chain.POLYGON,
  toToken:        Token.USDC,  // same token, different chain
  amount:         '10.00',
});
// tx.route === 'lifi-bridge'
// tx.status === 'pending'

Route selection summary

fromToken	toToken	fromChain	toChain	Route
USDC	USDC	base	base	`direct`
USDC	USDT	base	base	`lifi-swap`
USDC	USDC	base	polygon	`lifi-bridge`
USDC	USDT	base	polygon	`lifi-bridge`

When crossing chains with a token swap, Prudra uses a bridge — the swap happens atomically on the destination chain as part of the bridge transaction.

Send a transfer — full API reference
Cross-chain transfers — bridge timing and status handling
Transfer fees — fee structure by route

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Transfer routing