> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://ordergroove.ferndocs.com/docs/the-subscription-lifecycle/enrollment/add-a-subscription-to-cart/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://ordergroove.ferndocs.com/_mcp/server.

# Add a subscription to cart

> APIs, SDKs, and guides for building subscription commerce with Ordergroove.

## Docs

- [Troubleshooting Cart Offers](https://ordergroove.ferndocs.com/docs/the-subscription-lifecycle/enrollment/add-a-subscription-to-cart/troubleshooting-cart-offers.md)
- [Offer Code Elements](https://ordergroove.ferndocs.com/docs/the-subscription-lifecycle/enrollment/add-a-subscription-to-cart/offer-code-elements.md)
- [Domain Objects](https://ordergroove.ferndocs.com/docs/the-subscription-lifecycle/enrollment/add-a-subscription-to-cart/domain-objects.md)
- [Helper Methods](https://ordergroove.ferndocs.com/docs/the-subscription-lifecycle/enrollment/add-a-subscription-to-cart/helper-methods.md)