> 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/advanced-enrollment/llms.txt. > For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://ordergroove.ferndocs.com/_mcp/server. # Advanced Enrollment > APIs, SDKs, and guides for building subscription commerce with Ordergroove. ## Docs - [Advanced Offer Customizations & FAQ](https://ordergroove.ferndocs.com/docs/the-subscription-lifecycle/enrollment/advanced-enrollment/advanced-offer-customizations-faq.md) - [Modify subscriptions via email and SMS](https://ordergroove.ferndocs.com/docs/the-subscription-lifecycle/enrollment/advanced-enrollment/modify-subscriptions-via-email-and-sms.md) - [First Order Place Date control for Shopify Merchants](https://ordergroove.ferndocs.com/docs/the-subscription-lifecycle/enrollment/advanced-enrollment/first-order-place-date-control-for-shopify-merchants.md) - [Free shipping on initial orders](https://ordergroove.ferndocs.com/docs/the-subscription-lifecycle/enrollment/advanced-enrollment/free-shipping-on-initial-orders.md)