Gasless Permissionless Perps
Zero-deploy Percolator Markets
PropAMM · Micro Order Book
Built with PropAMM + Micro Order Book
Trade perps with $0 network fees. Launch new Percolator markets with no deployment cost. Verify everything with Proof Pages.
PropAMM + thin-market guardrails · Micro Order Books v0.1 · Receipts for every action.
- Gasless mainnet trading
- Zero-deploy perp markets
- PropAMM risk engine
- Micro Order Books + Proof

$0 network fees. Just sign the trade.
Trades on Neptune settle on Solana with zero network + priority fees on your side. You don’t need SOL for gas; you just sign. Protocol trading fees and spreads still apply.
You sign
Approve the trade in your wallet. No SOL needed for gas.
Network fee: $0
The network fee is handled under the hood; you don’t pay for tx fees.
Tx lands
The transaction confirms on Solana and updates your position.
Receipt issued
Proof Page + on-chain receipt so anyone can verify the trade.
Estimate your savings
You save ~0.08 SOL/month in network + priority fees
* Varies with priority fees and network conditions. For illustration only.
Micro Order Books v0.1
Sovereign maker books with parametric quoting and pro-rata execution. Less contention, no queue wars — depth over speed. Preview in the Launch Wizard today; full execution coming soon.
- · Sovereign maker books (reduce contention)
- · Parametric quoting (cheap updates)
- · Pro-rata execution (depth > speed)
Micro Order Book is selectable in the matcher step. Configuration is saved; execution uses PropAMM until v0.1 is fully live. We’ll ship execution as it’s ready.
A cleaner path from wallet to verified execution.
Neptune keeps the flow simple: connect, pick or launch a market, post collateral, trade, verify, and withdraw. Same protocol flow, clearer surface.
Connect Wallet
Phantom, Solflare, or any Solana wallet. No signup, no KYC. One click and you are in.
Launch or Pick a Market
Deploy a new perpetual market in 60 seconds or open an existing one. Fully permissionless.
Deposit Collateral
Transfer collateral into the market vault. Fully on-chain, non-custodial, verifiable.
Trade Perps
Risk-increasing trades require a fresh crank. Neptune enforces freshness and lets you crank in one click.
Verify On-Chain
Receipts include CPI call chains + upgrade authority — not just an explorer link.
Withdraw Anytime
Close your position, pull collateral back. Your keys, your funds. Always.
Built different.
Launch markets permissionlessly in under a minute.
Neptune lets anyone deploy Percolator-style perp markets with real collateral, on-chain settlement, and full program truth — no KYC, no approvals. Free on devnet.
Market checkpoints. Copy-on-write storage makes it cheap and fast to save point-in-time versions.
No KYC required
Deploy markets without identity verification
Real collateral
Backed by on-chain assets, not synthetic
Program truth
Full transparency on program state
On-chain receipts for every action.
Each receipt includes the tx signature, invoked programs including CPI, and program truth like upgradeability and upgrade authority — exportable as JSON.
JSON Export
Download complete transaction receipts
Program Truth
Verify program upgradeability and authority
Flexible oracle modes: Chainlink, Pyth, or Neptune oracle.
Oracle health and staleness are surfaced on the proof page. Choose the oracle path that fits your market while keeping routing, fallback, and state visibility clean.
Oracle routing
Clean fallback path with health and staleness checks.
Oracle modes
Support for Chainlink, Pyth, and native Neptune oracle routing
Staleness tracked
Real-time oracle health and freshness monitoring
Composable
Mix and match sources per market with deterministic routing
Mainnet Trade + Devnet Launch
Gasless perps trading on mainnet. Launch new Percolator markets on devnet for free. Both live today.
Gasless perps trading, $0 network fees. Real markets, real liquidity.
Launch Percolator markets for free. Zero-deploy, full proof pages.
Risk engine and thin-market protections.
Chainlink, Pyth, and native oracle routing.
Unified venue with spot reference liquidity.
Order books with receipts for every action.
Send API call and receive connection string in 120ms
Test and deploy >>
