# 🖥️ Using Superposition Testnet

## Add the Superposition Testnet to your Wallet

To add the Superposition Testnet to your Wallet, head to the [linked tutorial from Metamask](https://support.metamask.io/networks-and-sidechains/managing-networks/how-to-add-a-custom-network-rpc/#adding-a-network-manually) and use the following network details:

| Description     | Content                                      |
| --------------- | -------------------------------------------- |
| Network Name    | Superposition Testnet                        |
| RPC URL         | <https://testnet-rpc.superposition.so/>      |
| Chain ID        | 98985                                        |
| Currency Symbol | SPN                                          |
| Block Explorer  | <https://testnet-explorer.superposition.so/> |

## Get SPN Gas Tokens

SPN is the native gas token of the Superposition Layer-3. In order to receive SPN on the Testnet, you can use the Faucet.&#x20;

1. Head to <https://faucet.superposition.so/>

   <figure><img src="/files/TlN7tNbIp3yVd7aGhf8X" alt="" width="375"><figcaption></figcaption></figure>
2. Enter your wallet address in the field
3. Click on "Request SPN" to receive your gas tokens
4. Upon requesting from the faucet you will receive the following tokens:
   1. **Superposition Testnet Native tokens:** 0.5 SPN, 0.5 wSPN, 100 CAT and 0.5 fUSDC
   2. **Arbitrum Sepolia Tokens:** 0.5 SPN
5. The amount is limited with a cooldown of 1 request every 5 hours
6. [Bridge your SPN into the Superposition Chain ](/archived/bridging-to-superposition-testnet.md)as well as USDC and wETH!
7. Have fun using your SPN tokens on Superposition Dapps! 💫

## Using the Longtail AMM

Longtail is the first AMM built with Arbitrum Stylus and the first Dapp on the Superposition L3. Every pair on Longtail is paired against a Super Asset, ensuring that every transaction is incentivised and paying you yield for making trades!

<figure><img src="/files/ttOtTLkPsfPQv1QgxYP1" alt="" width="563"><figcaption></figcaption></figure>

1. Head to <https://long.so/>
2. Wrap your SPN to get WSPN or bridge any of our supported tokens from Sepolia, and start swapping! Supported tokens are fUSDC, WETH, USDC and WSPN.
3. Click on the "PRO" button in the Swap section to see stats and history on your selected liquidity pool and assets
4. Go to the "Stake" section to create your own pool and provide liquidity
5. Remember: The more you swap, the more you earn!

## \[Giga:brain:'s only] Create your own token, launch your own contract


---

# 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.superposition.so/archived/using-superposition-testnet.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.