> For the complete documentation index, see [llms.txt](https://docs.paddlefi.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.paddlefi.com/api-documentation/tutorials/source.md).

# Source

### **Supported Networkss by Paddle**

<table data-header-hidden><thead><tr><th width="193"></th><th width="159"></th><th></th></tr></thead><tbody><tr><td><strong>Network</strong></td><td><strong>Chain ID</strong></td><td><strong>RPC URL</strong></td></tr><tr><td>Ethereum</td><td>1</td><td><a href="https://eth.drpc.org">https://eth.drpc.org</a></td></tr><tr><td>Polygon</td><td>137</td><td><a href="https://polygon-rpc.com">https://polygon-rpc.com</a></td></tr><tr><td>Arbitrum</td><td>42161</td><td><a href="https://arb1.arbitrum.io/rpc">https://arb1.arbitrum.io/rpc</a></td></tr><tr><td>BSC</td><td>56</td><td><a href="https://bsc-dataseed.binance.org/">https://bsc-dataseed.binance.org</a></td></tr><tr><td>Base</td><td>8453</td><td><a href="https://mainnet.base.org">https://mainnet.base.org</a></td></tr><tr><td>Berachain Bartio</td><td>80084</td><td><a href="https://bartio.rpc.berachain.com">https://bartio.rpc.berachain.com</a></td></tr><tr><td>Bitlayer</td><td>200901</td><td><a href="https://rpc.bitlayer-rpc.com">https://rpc.bitlayer-rpc.com</a></td></tr><tr><td>Apechain</td><td>33139</td><td><a href="https://rpc.apechain.com/http">https://rpc.apechain.com/http</a></td></tr></tbody></table>

***

### **Paddle Contract Addresses**

<table data-header-hidden><thead><tr><th width="149"></th><th width="100"></th><th width="172"></th><th></th></tr></thead><tbody><tr><td><strong>Network</strong></td><td><strong>Chain ID</strong></td><td><strong>Contract Name</strong></td><td><strong>Contract Address</strong></td></tr><tr><td>Ethereum</td><td>1</td><td>ApproveTrade</td><td><code>0x54A70516e9c0223F4a92bE3a4832a06f546e783B</code></td></tr><tr><td>Polygon</td><td>137</td><td>ApproveTrade</td><td><code>0x4d5797F05992c9E81c64a39CEe5A8BA56df8D38e</code></td></tr><tr><td>Arbitrum</td><td>42161</td><td>ApproveTrade</td><td><code>0x4d5797F05992c9E81c64a39CEe5A8BA56df8D38e</code></td></tr><tr><td>BSC</td><td>56</td><td>ApproveTrade</td><td><code>0x83541A6B4A5c5512624CcbF35E9c77290f4068C0</code></td></tr><tr><td>Base</td><td>8453</td><td>ApproveTrade</td><td><code>0x54A70516e9c0223F4a92bE3a4832a06f546e783B</code></td></tr><tr><td>Berachain Bartio</td><td>80084</td><td>ApproveTrade</td><td><code>0x4d5797F05992c9E81c64a39CEe5A8BA56df8D38e</code></td></tr><tr><td>Bitlayer</td><td>200901</td><td>ApproveTrade</td><td><code>0x54A70516e9c0223F4a92bE3a4832a06f546e783B</code></td></tr><tr><td>Apechain</td><td>33139</td><td>ApproveTrade</td><td><code>0x9688B0965885ca8Db34f3C7187A3D0eD4E633852</code></td></tr><tr><td>Ethereum</td><td>1</td><td>OTCTrade</td><td><code>0x7D75D2A1Fd7F57f3d9b2a47fB3C8A41523d0ba15</code></td></tr><tr><td>Polygon</td><td>137</td><td>OTCTrade</td><td><code>0x7D75D2A1Fd7F57f3d9b2a47fB3C8A41523d0ba15</code></td></tr><tr><td>Arbitrum</td><td>42161</td><td>OTCTrade</td><td><code>0x597e3CbEA8f34102E0fC59775Ea62EA1dD1f56f8</code></td></tr><tr><td>BSC</td><td>56</td><td>OTCTrade</td><td><code>0x7D75D2A1Fd7F57f3d9b2a47fB3C8A41523d0ba15</code></td></tr><tr><td>Base</td><td>8453</td><td>OTCTrade</td><td><code>0xb4F6544fF7A4a586B47F48d06C70bB2e16B5da6f</code></td></tr><tr><td>Berachain Bartio</td><td>80084</td><td>OTCTrade</td><td><code>0xAD387C624bf043F33c913d9403a96b857b133381</code></td></tr><tr><td>Bitlayer</td><td>200901</td><td>OTCTrade</td><td><code>0xECB64314e2B7d2e1F997915E1cE4Ce89f3A9e9aa</code></td></tr></tbody></table>

***

### **Paddle Whitelisted Tokens**

Paddle supports loans and OTC trading for any asset.

Whitelisted tokens are officially certified assets that can be filtered and sorted in the Paddle DApp frontend.


---

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