# How-to guides

The guides in this section describe most of the common tasks involved in updating overlays using the Singular data stream API.

<table data-view="cards"><thead><tr><th></th></tr></thead><tbody><tr><td><a href="how-to-guides/create-a-data-stream">How to create a data stream</a></td></tr><tr><td><a href="how-to-guides/link-a-data-stream-to-a-composition">How to link a data stream to a composition</a></td></tr><tr><td><a href="how-to-guides/send-data-to-an-app-using-the-data-stream-api">How to send data to a data stream</a></td></tr></tbody></table>

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These how-to guides require a Singular account, which you can get [here](https://app.singular.live/users/login).
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