# Supported Chains

Our normal Swap API, Gasless API, DCA API, and Limit Order API are available on the following chains. 

## Swap API supported chains

Swap API is supported on all the chains listed below. Gasless API is available only on specific chains, as indicated in the checklist.

**EVM Chains:**

<table><thead><tr><th width="129">EVM Chains</th><th width="125.5">Chain Code</th><th width="105.75">Chain ID</th><th width="188">Native Token Address</th><th width="110" data-type="checkbox">Swap API</th><th width="128" data-type="checkbox">Gasless API</th></tr></thead><tbody><tr><td>Ethereum</td><td>eth</td><td>1</td><td>0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE</td><td>true</td><td>false</td></tr><tr><td>BNB Chain</td><td>bsc</td><td>56</td><td>0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE</td><td>true</td><td>true</td></tr><tr><td>Base</td><td>base</td><td>8453</td><td>0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE</td><td>true</td><td>true</td></tr><tr><td>Polygon</td><td>polygon</td><td>137</td><td>0x0000000000000000000000000000000000001010</td><td>true</td><td>true</td></tr><tr><td>Arbitrum</td><td>arbitrum</td><td>42161</td><td>0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE</td><td>true</td><td>true</td></tr><tr><td>Linea</td><td>linea</td><td>59144</td><td>0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE</td><td>true</td><td>true</td></tr><tr><td>HyperEVM</td><td>hyperevm</td><td>999</td><td>0x0000000000000000000000000000000000000000</td><td>true</td><td>true</td></tr><tr><td>Avalanche</td><td>avax</td><td>43114</td><td>0x0000000000000000000000000000000000000000</td><td>true</td><td>true</td></tr><tr><td>Optimism</td><td>optimism</td><td>10</td><td>0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE</td><td>true</td><td>true</td></tr><tr><td>Sonic</td><td>sonic</td><td>146</td><td>0x0000000000000000000000000000000000000000</td><td>true</td><td>true</td></tr><tr><td>UniChain</td><td>uni</td><td>130</td><td>0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE</td><td>true</td><td>true</td></tr><tr><td>Berachain</td><td>bera</td><td>80094</td><td>0x0000000000000000000000000000000000000000</td><td>true</td><td>true</td></tr><tr><td>Sei</td><td>sei</td><td>1329</td><td>0x0000000000000000000000000000000000000000</td><td>true</td><td>true</td></tr><tr><td>Plasma</td><td>plasma</td><td>9745</td><td>0x0000000000000000000000000000000000000000</td><td>true</td><td>true</td></tr><tr><td>Monad</td><td>monad</td><td>143</td><td>0x0000000000000000000000000000000000000000</td><td>true</td><td>false</td></tr><tr><td>Injective</td><td>injective</td><td>1776</td><td>0x0000000000000000000000000000000000000000</td><td>true</td><td>false</td></tr><tr><td>zkSync Era</td><td>zksync</td><td>324</td><td>0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE</td><td>true</td><td>false</td></tr><tr><td>Aurora</td><td>aurora</td><td>1313161554</td><td>0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE</td><td>true</td><td>false</td></tr><tr><td>Cronos</td><td>cronos</td><td>25</td><td>0x0000000000000000000000000000000000000000</td><td>true</td><td>false</td></tr><tr><td>Harmony</td><td>harmony</td><td>1666600000</td><td>0x0000000000000000000000000000000000000000</td><td>true</td><td>false</td></tr><tr><td>Kava</td><td>kava</td><td>2222</td><td>0x0000000000000000000000000000000000000000</td><td>true</td><td>false</td></tr><tr><td>Metis</td><td>metis</td><td>1088</td><td>0xDeadDeAddeAddEAddeadDEaDDEAdDeaDDeAD0000</td><td>true</td><td>false</td></tr><tr><td>Celo</td><td>celo</td><td>42220</td><td>0x471EcE3750Da237f93B8E339c536989b8978a438</td><td>true</td><td>false</td></tr><tr><td>Telos</td><td>telos</td><td>40</td><td>0x0000000000000000000000000000000000000000</td><td>true</td><td>false</td></tr><tr><td>Polygon zkEVM</td><td>polygon_zkevm</td><td>1101</td><td>0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE</td><td>true</td><td>false</td></tr><tr><td>Gnosis</td><td>xdai</td><td>100</td><td>0x0000000000000000000000000000000000000000</td><td>true</td><td>false</td></tr><tr><td>opBNB</td><td>opbnb</td><td>204</td><td>0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE</td><td>true</td><td>false</td></tr><tr><td>Mantle</td><td>mantle</td><td>5000</td><td>0x0000000000000000000000000000000000000000</td><td>true</td><td>false</td></tr><tr><td>Manta</td><td>manta</td><td>169</td><td>0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE</td><td>true</td><td>false</td></tr><tr><td>Scroll</td><td>scroll</td><td>534352</td><td>0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE</td><td>true</td><td>false</td></tr><tr><td>Blast</td><td>blast</td><td>81457</td><td>0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE</td><td>true</td><td>false</td></tr><tr><td>Mode</td><td>mode</td><td>34443</td><td>0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE</td><td>true</td><td>false</td></tr><tr><td>Rootstock</td><td>rootstock</td><td>30</td><td>0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE</td><td>true</td><td>false</td></tr><tr><td>Gravity</td><td>gravity</td><td>1625</td><td>0x0000000000000000000000000000000000000000</td><td>true</td><td>false</td></tr><tr><td>Apechain</td><td>ape</td><td>33139</td><td>0x0000000000000000000000000000000000000000</td><td>true</td><td>false</td></tr><tr><td>Flare </td><td>flare</td><td>14</td><td>0x0000000000000000000000000000000000000000</td><td>true</td><td>false</td></tr><tr><td>Swell</td><td>swell</td><td>1923</td><td>0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE</td><td>true</td><td>false</td></tr><tr><td>Plume</td><td>plume</td><td>98866</td><td>0x0000000000000000000000000000000000000000</td><td>true</td><td>false</td></tr><tr><td>TAC</td><td>tac</td><td>239</td><td>0x0000000000000000000000000000000000000000</td><td>true</td><td>false</td></tr><tr><td>Moonriver</td><td>moonriver</td><td>1285</td><td>0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE</td><td>true</td><td>false</td></tr><tr><td>Fantom</td><td>fantom</td><td>250</td><td>0x0000000000000000000000000000000000000000</td><td>true</td><td>false</td></tr></tbody></table>

**Non-EVM Chain**

{% hint style="info" %}
**Non-EVM chains** are available only to whitelisted users with an authorized API key. To get whitelisted, please register to submit the [form](https://openocean.larksuite.com/share/base/form/shrusY4ukLSoP6htyoprXgZiiQc). For custom chain support, reach out us via [Discord](https://discord.gg/cxK6CCYcGp) or [Telegram](https://t.me/OpenOceanAPI).
{% endhint %}

| Chain Name | Chain Code | Native Token Address                        |
| ---------- | ---------- | ------------------------------------------- |
| Solana     | solana     | So11111111111111111111111111111111111111112 |
| Sui        | sui        |                                             |

## DCA API supported chains

<table><thead><tr><th>Chain Name</th><th width="386">Chain ID</th></tr></thead><tbody><tr><td>Ethereum</td><td>1</td></tr><tr><td>BNB Chain</td><td>56</td></tr><tr><td>Arbitrum</td><td>42161</td></tr><tr><td>Berachain</td><td>80094</td></tr><tr><td>Base</td><td>8453</td></tr><tr><td>Sonic</td><td>146</td></tr><tr><td>HyperEVM</td><td>999</td></tr><tr><td>Unichain</td><td>130</td></tr><tr><td>Optimism</td><td>10</td></tr><tr><td>Polygon</td><td>137</td></tr><tr><td>Sei</td><td>1329</td></tr><tr><td>Avalanche</td><td>43114</td></tr><tr><td>Plasma</td><td>9745</td></tr><tr><td>Monad</td><td>143</td></tr></tbody></table>

## Limit Order API supported chains

<table><thead><tr><th width="154">Chain Name</th><th width="164">Chain ID</th><th data-type="content-ref">Contract Address</th></tr></thead><tbody><tr><td>Ethereum</td><td>1</td><td><a href="https://etherscan.io/address/0xcC8d695603ce0b43D352891892FcC716c6a7C9f4">https://etherscan.io/address/0xcC8d695603ce0b43D352891892FcC716c6a7C9f4</a></td></tr><tr><td>BNB Chain</td><td>56</td><td><a href="https://bscscan.com/address/0xA8A0213bb2ce671E457Ec14D08EB9d40E6DA8e2d">https://bscscan.com/address/0xA8A0213bb2ce671E457Ec14D08EB9d40E6DA8e2d</a></td></tr><tr><td>Arbitrum</td><td>42161</td><td><a href="https://arbiscan.io/address/0x23c78b3d85b45bfa6dc8e09b517ba2d9b0ecca8c">https://arbiscan.io/address/0x23c78b3d85b45bfa6dc8e09b517ba2d9b0ecca8c</a></td></tr><tr><td>Berachain</td><td>80094</td><td><a href="https://berascan.com/address/0x8d2b7e5501eb6d92f8e349f2febe785dd070be74">https://berascan.com/address/0x8d2b7e5501eb6d92f8e349f2febe785dd070be74</a></td></tr><tr><td>Base</td><td>8453</td><td><a href="https://basescan.org/address/0xb5486f71c902fe0844bb07221fa8f47834d90b1b">https://basescan.org/address/0xb5486f71c902fe0844bb07221fa8f47834d90b1b</a></td></tr><tr><td>Sonic</td><td>146</td><td><a href="https://sonicscan.org/address/0xb45373129b4220160b92bd2320869f44d48ecd01">https://sonicscan.org/address/0xb45373129b4220160b92bd2320869f44d48ecd01</a></td></tr><tr><td>HyperEVM</td><td>999</td><td><a href="https://purrsec.com/address/0x4E6b18217AC75A779262c20B3Cc07050cBe7282B">https://purrsec.com/address/0x4E6b18217AC75A779262c20B3Cc07050cBe7282B</a></td></tr><tr><td>Optimism</td><td>10</td><td><a href="https://optimistic.etherscan.io/address/0xc0A62DDCd284020dC883C642A3Ed5D2A1770eb91">https://optimistic.etherscan.io/address/0xc0A62DDCd284020dC883C642A3Ed5D2A1770eb91</a></td></tr><tr><td>Polygon</td><td>137</td><td><a href="https://polygonscan.com/address/0xFA9B584Bc9543B66BeFdc41fb1DA8636edD7a697">https://polygonscan.com/address/0xFA9B584Bc9543B66BeFdc41fb1DA8636edD7a697</a></td></tr><tr><td>Sei</td><td>1329</td><td><a href="https://seiscan.io/address/0xfE9a934A8607EF020aDf22D4431d6cE6005Aa4d3">https://seiscan.io/address/0xfE9a934A8607EF020aDf22D4431d6cE6005Aa4d3</a></td></tr><tr><td>Avalanche</td><td>43114</td><td><a href="https://polygonscan.com/address/0x99b3488Ee3432bB60256140b4BD2488E3b6A705f">https://polygonscan.com/address/0x99b3488Ee3432bB60256140b4BD2488E3b6A705f</a></td></tr><tr><td>Plasma</td><td>9745</td><td><a href="https://plasmascan.to/address/0x9F92b2706c643ae6FDF2e9ca472f0E48497385f1">https://plasmascan.to/address/0x9F92b2706c643ae6FDF2e9ca472f0E48497385f1</a></td></tr><tr><td>Monad</td><td>143</td><td><a href="https://monadvision.com/address/0x8D2B7e5501Eb6D92F8e349f2FEbe785DD070bE74">https://monadvision.com/address/0x8D2B7e5501Eb6D92F8e349f2FEbe785DD070bE74</a></td></tr></tbody></table>