# Programming interface

**Learn about the programming interface of Apify Actors, important commands and features provided by the Apify SDK, and how to use them in your Actors.**

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This chapter will guide you through all the commands you need to build your first Actor. This interface is provided by https://pr-2065.preview.docs.apify.com/sdk.md. The chapter starts with basic commands and guides you through system events and environment variables that are available to your Actor both locally and when running on Apify platform.

#### https://pr-2065.preview.docs.apify.com/platform/actors/development/programming-interface/basic-commands.md

https://pr-2065.preview.docs.apify.com/platform/actors/development/programming-interface/basic-commands.md

#### https://pr-2065.preview.docs.apify.com/platform/actors/development/programming-interface/container-web-server.md

https://pr-2065.preview.docs.apify.com/platform/actors/development/programming-interface/container-web-server.md

#### https://pr-2065.preview.docs.apify.com/platform/actors/development/programming-interface/status-messages.md

https://pr-2065.preview.docs.apify.com/platform/actors/development/programming-interface/status-messages.md

#### https://pr-2065.preview.docs.apify.com/platform/actors/development/programming-interface/status-messages.md

https://pr-2065.preview.docs.apify.com/platform/actors/development/programming-interface/status-messages.md

#### https://pr-2065.preview.docs.apify.com/platform/actors/development/programming-interface/container-web-server.md

https://pr-2065.preview.docs.apify.com/platform/actors/development/programming-interface/container-web-server.md

#### https://pr-2065.preview.docs.apify.com/platform/actors/development/programming-interface/metamorph.md

https://pr-2065.preview.docs.apify.com/platform/actors/development/programming-interface/metamorph.md

#### https://pr-2065.preview.docs.apify.com/platform/actors/development/programming-interface/standby.md

https://pr-2065.preview.docs.apify.com/platform/actors/development/programming-interface/standby.md
