> ## Documentation Index
> Fetch the complete documentation index at: https://yieldxyz.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# SNX 420 Pool Staking

> Stake SNX in the Synthetix 420 pool

Synthetix SNX staking in the 420 pool.

***

## What this yield is

* **Asset**: SNX (Synthetix token)
* **Mechanism**: Stake SNX in the 420 pool
* **Rewards**: SNX staking rewards

***

## Required inputs

| Argument | Required | Description            |
| -------- | -------- | ---------------------- |
| `amount` | Yes      | Amount of SNX to stake |

***

## Actions & lifecycle

<Tabs>
  <Tab title="Enter">
    * Approval transaction (if needed)
    * Stake transaction
    * Position active after confirmation
  </Tab>

  <Tab title="Exit">
    * Unstake SNX
    * Check yield metadata for any restrictions
  </Tab>

  <Tab title="Manage">
    * Claim rewards
  </Tab>
</Tabs>

***

## Example flow

<CodeGroup>
  ```bash Enter staking theme={null}
  curl --request POST \
    --url https://api.yield.xyz/v1/actions/enter \
    --header 'accept: application/json' \
    --header 'content-type: application/json' \
    --header 'x-api-key: <API_KEY>' \
    --data '{
      "yieldId": "ethereum-snx-420-staking",
      "address": "0xYOUR_ADDRESS",
      "arguments": { "amount": "100" }
    }'
  ```
</CodeGroup>

***

## See also

<CardGroup cols={2}>
  <Card title="Ethereum Overview" icon="ethereum" href="/documentation/coverage/supported-yields/staking/evm/ethereum">
    All Ethereum staking
  </Card>
</CardGroup>