# Backup RPC URLs

Since <mark style="color:blue;">**Unlimited Leverage**</mark> is a decentralized exchange, querying of data and submitting of transactions go through an RPC URL.&#x20;

There may be times when the RPC URL is not as responsive as it should be, during these times you may notice data being slow to load or not loading on your page. It is also possible to hit the rate limit with the public Arbitrum RPC URL (<https://arb1.arbitrum.io/rpc>), which would result in 429 errors.

To continue using the platform during these times you can use a backup URL from [Alchemy](https://www.alchemy.com/), [Ankr](https://www.ankr.com/protocol/public/) or [QuickNode](https://www.quicknode.com/chains/arb), switch the RPC URL in the network settings of your wallet and the page should load faster after.

For a list of RPC URLs and their statuses see: <https://chainlist.org/>.


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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.unlimited.trade/start-trading/or-unlimited-leverage-guide/backup-rpc-urls.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.