> 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

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="/files/1LClXYA6NCRSH0Hgjf9V">/files/1LClXYA6NCRSH0Hgjf9V</a></td><td><a href="/pages/aEan5fOtrSmy3sfq1B8w">/pages/aEan5fOtrSmy3sfq1B8w</a></td></tr><tr><td><strong>Prebuilt Connectors</strong></td><td><a href="/files/aKcwruWZzlhZbZKKxjBM">/files/aKcwruWZzlhZbZKKxjBM</a></td><td><a href="/pages/39zlDNASQxPJOtORYoWN">/pages/39zlDNASQxPJOtORYoWN</a></td></tr></tbody></table>