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Web3 AI Developer Platform

Build Web3
at warp speed

Synthix is an AI pair programmer purpose-built for Web3. Generate contracts, audit DeFi code, optimize gas, and deploy to any chain — all from plain English.

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⟠ One-time ~$129.99 in ETH · No subscriptions ever
★ 4.9 rating
⛓ 12 chains
⏳ Lifetime access
🔒 On-chain payments
synthix — web3-ai-console
$ synthix generate erc20 --vesting
↳ Generating VestingToken.sol…
✓ contract VestingToken created
✓ lines 247 · gas-optimized
✓ audited 3 vulns patched
✓ tests 18 generated (Foundry)
✓ deploy eth · polygon · arb · base
 
$
🛡️
Security scan0 critical · 0 high
⚙ Capabilities

Everything a Web3 dev needs

From contract generation to audit-ready reports. Purpose-trained on Web3 patterns across every major chain and protocol.

📜
Smart Contract Generation
Production-ready Solidity, Rust/Anchor, or Vyper from natural language. ERC-20, ERC-721, ERC-1155, custom logic.
SolidityRustVyper
🛡️
Security Auditing
Detect reentrancy, overflows, access control issues, flash loan vectors. Audit-style reports with severity ratings.
SASTSlitherEchidna
⛽
Gas Optimization
Storage packing, loop unrolling, calldata tricks, custom errors. Slash gas costs on every transaction path.
EIP-1559assembly
🔗
Multi-Chain Deployment
Scripts for Ethereum, Polygon, Arbitrum, Optimism, Base, Solana and more. Network configs auto-generated.
HardhatFoundryAnchor
🏦
DeFi Protocol Builder
Architect AMMs, lending protocols, yield vaults, staking mechanisms. Understands tokenomics and attack vectors.
ERC-4626Uniswap v3
🧪
Test Suite Generation
Comprehensive Hardhat, Foundry, or Anchor tests with edge cases, fuzz tests, and mainnet fork simulations.
fuzzforkinvariant
🌐
Web3 Frontend Scaffold
ethers.js/wagmi/viem React components, wallet connection flows, and typed ABIs from your deployed contracts.
wagmiviemRainbowKit
📊
On-Chain Data Queries
Natural language queries translated to The Graph subgraphs or RPC calls for indexing blockchain events and analytics.
The GraphGraphQL
▶ Live Console

The Synthix Web3 Console

Purchase unlocks unlimited access. Try a live demo — limited to 3 queries.

synthix/web3-ai-console
Model online
claude-sonnet-4
💬 Chat AI
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⚙ Settings
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💳 Pricing

Simple, transparent pricing

One payment.
Yours forever.

No monthly subscriptions, no usage caps, no per-token billing. Pay once in ETH and use Synthix for life — all future updates included.

✓Unlimited smart contract generation∞ queries
✓Full security audit suiteall severity
✓Gas optimization engineall chains
✓Multi-chain deployment scripts12+ chains
✓DeFi protocol architectAMM / lending
✓Test suite generation (Hardhat + Foundry)fuzz + fork
✓Web3 frontend scaffoldingwagmi / viem
✓Future features & model upgradesincluded
⟠ Lifetime Access
$129.99
paid once in ETH · all features · no expiry
✓Unlimited queries
✓All 8 developer tools
✓12+ chain support
✓On-chain payment verification
✓7-day ETH refund guarantee
✓All future updates included
⟠ Pay with ETH · Non-custodial · Instant unlock
? FAQ

Frequently asked questions

What does "lifetime access" mean?+
Pay once and your account stays active permanently — no monthly fees, ever. All future features and model upgrades are included at no extra cost.
Which blockchains are supported?+
Ethereum, Polygon, Arbitrum, Optimism, Base, Avalanche, Solana, Aptos, Sui and more. Multi-chain deployment config is auto-generated for each target.
Is the generated code production-safe?+
Synthix follows best practices and runs automated security checks on every contract. We recommend a professional audit before deploying contracts holding significant value.
Can I get a refund?+
Yes — 7-day no-questions-asked refund. Contact support@synthix.ai with your tx hash and we'll return ETH to your wallet immediately.
Do I own the code Synthix generates?+
Yes, 100%. All generated code is yours to use commercially without restriction or attribution requirements.
How does ETH payment verification work?+
We verify your transaction directly on Ethereum mainnet via public RPC — checking the recipient address, tx status, and ETH amount. Fully non-custodial, no third parties.