Jupiter — Solana DEX Aggregator

Jupiter routes swaps across all Solana DEXes (Raydium, Orca, Phoenix…) for best price.

⛽ Gas & Cost — Read This First

• Gas is always paid from wallet SOL balance. No gas sponsorship on Solana.
• wallet_sol_transfer does NOT work for Jupiter — it's for send-SOL only.
• Swaps cost ~0.0002–0.001 SOL in fees (priority fee + rent deposit for new token accounts).
• Limit orders cost ~0.002 SOL to create (on-chain account rent).
• Always call wallet_sol_balance() before operating to confirm SOL > 0.01.

⛔ HARD RULES

• ALWAYS use ultra/v1/order — NOT swap/v1/quote + swap/v1/swap (deprecated)
• Pass wallet pubkey to jupiter_swap only when intending to execute — omitting it returns a quote-only result (no transaction), which is correct for price checks
• NEVER pass numeric makingAmount/takingAmount — must be strings or API returns ZodError 400
• NEVER use /ultra/v1/execute for limit orders — limit orders MUST go through jupiter_broadcast_tx() (Solana RPC)
• NEVER omit user confirmation before executing a swap or limit order