> For the complete documentation index, see [llms.txt](https://docs.getsphere.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.getsphere.com/features/integrations.md).

# Integrations

Our Integrations are essential to apply real time tax calculation in your existing billing flows.

To enable real-time tax calculation, we support custom billing flows (via our API) as well as integrations with key billing systems.

 

<table data-view="cards"><thead><tr><th></th><th data-hidden data-card-cover data-type="image">Cover image</th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><strong>API</strong></td><td><a href="https://970780403-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FCwrKUWiKw8qxo6t83mBG%2Fuploads%2F4M7QZamSCvF4gxbkmOei%2FAPI.png?alt=media&amp;token=c18f971a-f5e1-42a9-9768-2460e68303f9">API.png</a></td><td><a href="/features/integrations/api.md">API</a></td></tr><tr><td><strong>Prebuilt Connectors</strong></td><td><a href="https://970780403-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FCwrKUWiKw8qxo6t83mBG%2Fuploads%2Fdk0ttgb2RaPtNyJxKRe5%2FConnection.png?alt=media&amp;token=588aed2f-d3f0-4a8d-81cf-b194fad40298">Connection.png</a></td><td><a href="/features/integrations/prebuilt-connectors.md">Prebuilt Connectors</a></td></tr></tbody></table>