How to use Jupiter swap on Solana: settings that save you money
Jupiter (jup.ag) is a Solana swap aggregator: it splits your order across pools to get the best price. Connect a wallet, pick SOL and paste the token's contract address, keep the buy small relative to the pool's liquidity, set slippage you can accept as the full cost, and use limit orders when you are not in a hurry.
What Jupiter is
Jupiter is not an exchange with its own order book; it is an aggregator. It looks at the Solana DEX pools (Raydium, Orca, Meteora, pump.fun's pools and others) and routes your trade through the cheapest path, sometimes splitting it across several pools. You keep your coins in your own wallet the whole time.
Step by step
- Open jup.ag (type it yourself; fake Jupiter sites are a common wallet-drainer trick) and connect Phantom or Solflare.
- "You pay": SOL or USDC. "You receive": paste the token's contract address, not its name.
- Check the warning badges: Jupiter flags unverified tokens. Unverified is not proof of a scam, but check the rug check first.
- Look at the price impact line before you confirm.
- Confirm in the wallet and read what the wallet says it will sign.
Slippage and price impact
Price impact is how far your own trade moves the pool; slippage tolerance is how much worse than the quote you accept before the trade fails. In a thin pool the impact alone can be large:
| $100 | $500 | $1,000 | $5,000 | |
|---|---|---|---|---|
| Pool $10k | 2% | 9.1% | 16.7% | 50% |
| Pool $50k | 0.4% | 2% | 3.8% | 16.7% |
| Pool $250k | 0.1% | 0.4% | 0.8% | 3.8% |
| Pool $1M | 0% | 0.1% | 0.2% | 1% |
Jupiter's automatic slippage is fine for liquid coins. For fresh tokens, a very high tolerance invites "sandwich" bots that buy right before you and sell right after.
Priority fee
When Solana is busy, a small priority fee gets your transaction in sooner. For a normal swap the default is enough; paying more only helps in the first minutes of a launch, which is also when risk is highest.
Limit orders and DCA
Jupiter also offers limit orders (buy or sell when the price reaches your level) and recurring buys (DCA). Limit orders avoid chasing pumps; DCA spreads one decision over time.
Mistakes that cost the most
- Searching the token by name and picking a copy with the same logo.
- Buying more than about 2% of the pool's liquidity in one go.
- Approving a transaction on a site you reached from a link in a DM.
- Spending all the SOL and having nothing left for the fee to sell.
Getting SOL in the first place: licensed exchanges in Croatia and the EU.
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Request accessNot financial advice. Numbers are measurements of past tokens and calls; meme coins are extremely risky and most go to zero.