The 1inch Business Portal provides access to blockchain data through RPC Nodes and, on selected networks, through additional 1inch APIs such as Swap, History, and Gas Price.
Currently Supported
The following chains are currently available. Unless noted otherwise, a chain is available as RPC Nodes only.
| Chain | Chain ID | Network Family | Available Products |
|---|---|---|---|
| Arc | 5042 | EVM | Full API set |
| Arbitrum | 42161 | EVM | Full API set |
| Avalanche | 43114 | EVM | Full API set |
| Base | 8453 | EVM | Full API set |
| BNB Chain | 56 | EVM | Full API set |
| Cronos | 25 | EVM | Full API set |
| Ethereum | 1 | EVM | Full API set |
| Gnosis | 100 | EVM | Full API set |
| HyperEVM | 999 | EVM | Full API set |
| Linea | 59144 | EVM | Full API set |
| Monad | 143 | EVM | Full API set |
| Optimism | 10 | EVM | Full API set |
| Polygon | 137 | EVM | Full API set |
| Solana | 501 | SVM | Full API set |
| Sonic | 146 | EVM | Full API set |
| Unichain | 130 | EVM | Full API set |
| zkSync Era | 324 | EVM | Full API set |
For a per-chain list of which 1inch products are live, see the chain pages on the 1inch Business site. Examples: Ethereum, BNB Chain, Polygon, Cronos, Monad, HyperEVM, Arc.
Notes
- Solana is addressed as chain ID
501across the 1inch APIs, even though it is not an EVM chain and usesbase58addresses. See the Solana documentation for details. - Cronos is available with the full 1inch API set (Swap, History, Gas Price, Tokens, and RPC Nodes). See the Cronos chain page for the live product list.
- Monad is available with the full 1inch API set (Swap, History, Gas Price, Tokens, and RPC Nodes). See the Monad chain page for the live product list.
- HyperEVM is available with the full 1inch API set (Swap, History, Gas Price, Tokens, and RPC Nodes). See the HyperEVM chain page for the live product list.
- Arc is available with the full 1inch API set (Swap, History, Gas Price, Tokens, and RPC Nodes). See the Arc chain page for the live product list.
- Additional chains are added regularly. Check this page or the changelog for updates.
Requesting a New Chain
Need a chain that is not on the list? Tell us which one and what you plan to build on it — the chain name and chain ID, your expected usage volume, and the specific APIs you need (RPC Nodes, Swap, History, etc.).