> For the complete documentation index, see [llms.txt](https://docs.bancor.network/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.bancor.network/developer-guides/read-functions/liquidity-pool-details/ispoolvalid.md).

# isPoolValid()

### Function isPoolValid()

{% code title="BancorNetwork.sol" %}

```javascript
    function isPoolValid(Token pool) external view returns (bool)
```

{% endcode %}

This function is used to determine if a specific token has a liquidity pool on the Bancor Network. 

### Function Arguments

| Name | Type  | Description                                                                                                                                                                                                                                                        |
| ---- | ----- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| pool | Token | <p>The contract address of a token for which to check the existence of a liquidity pool.<br><br>For example, <a href="https://etherscan.io/address/0x6b175474e89094c44da98b954eedeac495271d0f">DAI</a>:<br><em>0x6B175474E89094C44Da98b954EedeAC495271d0F</em></p> |

### Return Variables

This function returns true or false depending on the existence of a liquidity pool for a given token.&#x20;

| Variable Type | Returns                                                                                                                                                                         |
| ------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| boolean       | <p><strong>True:</strong> The token has a liquidity pool on the Bancor Network.<br><strong>False:</strong> The token does not have a liquidity pool on the Bancor Network. </p> |