# How-to Guides

## How-to Guides

| Guide                                                                                                          | Role  | Description                                            |
| -------------------------------------------------------------------------------------------------------------- | ----- | ------------------------------------------------------ |
| [Place a Limit Order](/developer-guide/limit-order-api/how-to-guides/place-a-limit-order.md)                   | Maker | Sign and submit a gasless limit order                  |
| [Fill a Limit Order](/developer-guide/limit-order-api/how-to-guides/fill-a-limit-order.md)                     | Taker | Discover open orders and execute a fill on-chain       |
| [Cancel an Order — Gasless](/developer-guide/limit-order-api/how-to-guides/cancel-an-order-gasless.md)         | Maker | Cancel off-chain without paying gas (up to 5-min wait) |
| [Cancel an Order — Hard Cancel](/developer-guide/limit-order-api/how-to-guides/cancel-an-order-hard-cancel.md) | Maker | Cancel immediately on-chain by paying a gas fee        |


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