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No new contracts. SODAX’s Ethereum spoke contracts are already live; your entire integration is TypeScript. Your users sign ordinary Ethereum transactions, and SODAX coordinates cross-network execution, routing, and recovery behind the scenes.
You keep shipping on Ethereum. SODAX absorbs the cross-network execution layer, so your product can offer trading and lending against every asset in the SODAX System, 166 across all supported networks, without leaving your stack. Integration happens in TypeScript, at the SDK or React layer. There is nothing to deploy, audit, or maintain on-chain. Using SODAX is free. Trades carry a fixed 0.1% base fee taken by the protocol, and you set your own platform fee on top. That part is fully yours, both the rate and the revenue. See Monetize SDK.

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What to know on Ethereum

Ethereum is a standard EVM network to SODAX: the same EvmWalletProvider, the same ERC-20 approvals, and the same intent flow as every other EVM network. ETH is the native token and needs no approval. One token behaves differently:
  • USDT can take two approval transactions. Ethereum USDT rejects an allowance change from one non-zero value to another. When a wallet already holds a stale USDT allowance, the SDK’s approve sends approve(0) first, waits for it to be mined, then sends the real approval, so the user signs twice. See Approvals.

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What you can build

Two SODAX modules are relevant to Ethereum builders:

Swaps

Intent-based cross-network swaps. Users swap between ETH or ERC-20 tokens and assets on any supported network with one signed transaction on Ethereum. Solvers fill; SODAX routes and settles.

Money Market

Cross-network lending and borrowing. Supply from Ethereum, borrow to Ethereum or any other supported network, and manage positions without running lending infrastructure.

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Choose your integration path

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Scope and build with AI

Point your AI coding assistant at the SODAX Builders MCP and it gains live access to the whole SODAX System: supported chains and tokens, real swap quotes, money market rates, intent history, and these docs. It works in Claude, Cursor, VS Code, Windsurf, and any other MCP-capable client.
Use it to scope before you commit: your assistant can read your own codebase, pull real quotes and token lists, and map exactly where SODAX fits in your product. Full tool list and per-client setup at builders.sodax.com.

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In this section

  • Quickstart: install the SDK, connect an Ethereum account, make your first cross-network swap.
  • Swaps on Ethereum: approvals (including USDT), quoting, fees, and gas estimates.
  • Money Market on Ethereum: supply, borrow, repay, and withdraw with cross-network collateral.
  • Wallets: EVM wallets on Ethereum, and every other network’s wallets through one interface.
  • Networks & Assets: what is live on Ethereum today and what your users can reach.
  • Ethereum FAQ: the questions Ethereum engineers actually ask.

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Ethereum references

Building something? Start with the Quickstart.