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

# API reference

Ordergroove exposes six REST APIs plus a webhooks API:

#### [REST RPC API](/reference/restrpc)

The primary REST API for customers, subscriptions, items, orders, and offers.

#### [Entitlements Service API](/reference/entitlements)

Manage customer entitlements for memberships and digital access.

#### [Cart Management API](/reference/cart-management)

Server-side cart operations for headless checkouts.

#### [Payment API](/reference/payment)

Tokenize and manage customer payment methods.

#### [Payment Attempt Data API](/reference/payment-attempt)

Retrieve placement response details for processed orders.

#### [Webhooks API](/reference/webhooks)

Subscribe to lifecycle events and 1-click actions.

## Authentication

All Ordergroove APIs authenticate with either an API key or an HMAC signature. See
[HMAC and AES authentication](/docs/data/webhooks-apis) for details.

## Environments

* Production: `https://restapi.ordergroove.com`
* Sandbox: available per merchant — contact your Ordergroove representative.