💡Diddo’s API lets you build and manage carts that span multiple stores, enabling a single, unified checkout experience. Whether you’re working on a client-side app or integrating via backend, this section covers the key endpoints and patterns you'll need. Full request/response schemas are available in the API reference
This section covers:
- Retrieving an existing cart
- Adding to a Cart and Creating one
- Updating item quantities
- Removing items from the cart
🔍 Retrieving an existing Cart
Fetch the current contents of a cart using its cart_id
Endpoint: GET /cart/:id
javascript➕ Adding to a Cart and Creating one
Adds a product variant to the cart. If the cart doesn't exist, a new one is created and returned.
Endpoint: POST /cart/add
jsonJavaScript Example:
javascript✏️ Update Item quantities
Update the quantity of a specific item in the cart. If the item doesn’t exist in the cart, no changes will be made.
Endpoint: POST /cart/update
json❌ Removing Items from the Cart
Remove an item from the cart using its variant_id.
Endpoint: DELETE /cart/items
json🔴Error Handling: All cart endpoints return standardized error objects with helpful messages and status codes. See Error Handling for recommended handling patterns.