> For the complete documentation index, see [llms.txt](https://xchainjs.gitbook.io/xchainjs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://xchainjs.gitbook.io/xchainjs/clients/xchain-evm/xchain-arbitrum.md).

# xchain-arbitrum

Developers initiate the connection to the Arbitrum network by specifying the network endpoint or RPC (Remote Procedure Call) URL. This establishes the communication channel between the application and the Arbitrum blockchain.

This package uses etherjs library, by default it uses several providers. (<https://docs.ethers.io/v5/api-keys/>)

#### Explorer URL <a href="#explorer-url" id="explorer-url"></a>

* Mainnet: <https://arbiscan.io/>
* Testnet: <https://goerli.arbiscan.io/>

### RPC Ethers Providers <a href="#rpc-ethers-providers" id="rpc-ethers-providers"></a>

* Mainnet: <https://arb1.arbitrum.io/rpc>
* Testnet: <https://goerli-rollup.arbitrum.io/rpc>

For more information about the API of the package, please click [here](https://docs.xchainjs.org/xchain-docs/xchain-arbitrum/docs/index.html)