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No new contracts. SODAX’s Polygon spoke contracts are already live; your entire integration is TypeScript. Your users sign ordinary EVM transactions on Polygon PoS, and SODAX coordinates cross-network execution, routing, and recovery behind the scenes.
You keep shipping on Polygon. 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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Three things to know on Polygon

Polygon (Polygon PoS, chain ID 137) takes the standard SODAX EVM path: the same EvmWalletProvider as every other EVM network, ERC-20 approvals for tokens, no approval for the native token, and no chain-specific handling in the SDK. These three are yours to know about:
  • The native token is POL. Polygon’s gas token changed from MATIC to POL, and the SODAX config lists it as POL (18 decimals, zero address). Look it up as POL; there is no MATIC entry.
  • Set your own RPC. Pass an RPC endpoint you control, or one from Polygon’s RPC list, to the SDK and your wallet config, rather than relying on the packaged default. SDK reads such as allowance checks go through it; see Quickstart.
  • Match tokens by address. Two Polygon contracts report the symbol USDC on-chain. SODAX supports Circle’s native USDC; the older bridged token, named USD Coin (PoS), is not in the list. In the other direction, the token SODAX lists as USDT reports USDT0 on-chain. See Networks & Assets.

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What you can build

Two SODAX modules are relevant to Polygon builders:

Swaps

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

Money Market

Cross-network lending and borrowing. Supply from Polygon, borrow to Polygon 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 a Polygon wallet, make your first cross-network swap.
  • Swaps on Polygon: approvals, quoting, and fees.
  • Money Market on Polygon: supply, borrow, repay, and withdraw with cross-network collateral.
  • Wallets: EVM wallets on Polygon, and every other network’s wallets through one interface.
  • Networks & Assets: what is live on Polygon today and what your users can reach.
  • Polygon FAQ: the questions Polygon engineers actually ask.

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Polygon references

Building something? Start with the Quickstart.