V3 perps markets rely on keepers to fetch offchain price data to fill orders and liquidate accounts. Sample code for both types of keepers can be found here. Follow the documentation for instructions on setting up and configuring the keeper.
{% hint style="info" %} Keepers are open source and competitive, but it is recommended that integrators run their own keepers in case no community keepers are operating. {% endhint %}
{% embed url="https://github.com/Synthetixio/sample-v3-keeper/tree/main" %} Template Perps V3 Keeper {% endembed %}