> For the complete documentation index, see [llms.txt](https://toshi-the-cat.gitbook.io/toshi-on-base/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://toshi-the-cat.gitbook.io/toshi-on-base/toshi-tools-documentation/launchpad/validation-rules.md).

# Validation Rules

### Validation Rules

* **Token and Wallet:** Both must be valid Base addresses (required).
* **Liquidity:** Must be a non-negative integer (required).
* **Tokens:** Required for Native Fair Launch and USDC Fair Launch; must be a non-negative integer.
* **Team Tokens:** Must be a non-negative integer (required).
* **Rate and Listing Rate:**
  * Required for Native Presale and USDC Presale; must be a non-negative number.
  * The listing rate must be less than or equal to the rate.
* **Soft Cap and Hard Cap:**
  * Hard cap must be greater than or equal to the soft cap and greater than zero.
  * Must be a non-negative number.
* **Min Buy and Max Buy:**
  * Both must be non-negative.
  * Max buy must be greater than or equal to min buy.
* **Start and End Time:**
  * Both must be specified in a valid datetime format.
  * Start time must be at least one hour from the current time.
  * End time must occur after the start time.
* **Liquidity Duration and Whitelist Duration:** Must be non-negative integers (optional).
* **Vesting Details:** Must be non-negative integers if specified.