> For the complete documentation index, see [llms.txt](https://docs.x1.xyz/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.x1.xyz/build-on-x1/resources.md).

# Resources

X1 blockchain is fully SVM/Solana compatible.

## RPC endpoints

### X1 testnet

```
https://rpc.testnet.x1.xyz
```

### X1 mainnet

```
https://rpc.mainnet.x1.xyz
```

## How to Change RPC with Backpack

Open you Backpack wallet extension and go to settings. Choose "Solana".

<figure><img src="https://1886332998-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fis100gr6YdQFA0E9ARbX%2Fuploads%2FgYh2XmSpFejSeVm09GBb%2FScreenshot%202025-10-03%20at%2016.07.45.png?alt=media&amp;token=dd9b9354-4da1-49d2-aafc-4a69759d6dec" alt=""><figcaption></figcaption></figure>

RPC Connection: Custom

<figure><img src="https://1886332998-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fis100gr6YdQFA0E9ARbX%2Fuploads%2FEg72Ekt5YkqsucDm8iNF%2FScreenshot%202025-10-03%20at%2016.08.03.png?alt=media&amp;token=90eec907-6a48-4c86-b916-b1fb0516546f" alt=""><figcaption></figcaption></figure>

Custom

<figure><img src="https://1886332998-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fis100gr6YdQFA0E9ARbX%2Fuploads%2FdO6LRUsWz07IswVDpEDg%2FScreenshot%202025-10-03%20at%2016.12.40.png?alt=media&amp;token=1ca001c9-431e-444c-8813-995c74b63c69" alt=""><figcaption></figcaption></figure>

Add RPC endpoint

<figure><img src="https://1886332998-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fis100gr6YdQFA0E9ARbX%2Fuploads%2FiIwc0bmlHh7zjZ5lBwBL%2FScreenshot%202025-10-03%20at%2016.17.29.png?alt=media&amp;token=6fa674e4-b88f-4326-bb78-f1b0bb4d0e86" alt=""><figcaption></figcaption></figure>

## Guides

{% embed url="<https://solana.com/docs/intro/quick-start>" %}

{% embed url="<https://solana.com/developers>" %}