# catalogapi-com Cart API

**Canonical:** https://apis.io/apis/catalogapi-com/catalogapi-com-cart-api/  
**Provider:** catalogapi-com — https://apis.io/providers/catalogapi-com/  
**Base URL:** https://api.catalogapi.com/api/v2  
**Documentation:** https://catalogapi.com/api/docs

catalogapi-com Cart API is one of 4 APIs that [catalogapi-com](https://apis.io/providers/catalogapi-com/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. This API exposes 6 JSON Schema definitions. Tagged areas include Cart. The published artifact set on APIs.io includes an OpenAPI specification and 6 JSON Schemas.

Cart management operations

## Operations (12)

| Method | Path | Summary |
|---|---|---|
| GET | `/sockets/{socket_id}/cart/{external_user_id}` | View cart contents |
| POST | `/sockets/{socket_id}/cart/{external_user_id}` | Add line items to cart |
| POST | `/sockets/{socket_id}/cart/{external_user_id}/empty` | Empty cart |
| DELETE | `/sockets/{socket_id}/cart/{external_user_id}/line_items/{line_item_id}` | Remove line item from cart |
| PUT | `/sockets/{socket_id}/cart/{external_user_id}/line_items/{line_item_id}` | Update line item metadata |
| POST | `/sockets/{socket_id}/cart/{external_user_id}/line_items/{line_item_id}/revalidate_stock` | Revalidate expired stock reservation for a specific line item |
| GET | `/sockets/{socket_id}/cart/{external_user_id}/metadata` | Get cart metadata |
| PUT | `/sockets/{socket_id}/cart/{external_user_id}/metadata` | Update cart metadata |
| POST | `/sockets/{socket_id}/cart/{external_user_id}/order_place` | Convert cart to order |
| POST | `/sockets/{socket_id}/cart/{external_user_id}/set_address` | Set shipping address for cart |
| POST | `/sockets/{socket_id}/cart/{external_user_id}/unlock` | Unlock the cart |
| POST | `/sockets/{socket_id}/cart/{external_user_id}/validate` | Validate cart for checkout |

## Machine-readable artifacts (8)

- **OpenAPI** — https://artifacts.apis.io/catalogapi-com/openapi/catalogapi-com-cart-api-openapi.yml
- **JSONSchema** — https://artifacts.apis.io/catalogapi-com/json-schema/catalogapi-com-items-search-response-schema.json
- **JSONSchema** — https://artifacts.apis.io/catalogapi-com/json-schema/catalogapi-com-direct-order-request-schema.json
- **JSONSchema** — https://artifacts.apis.io/catalogapi-com/json-schema/catalogapi-com-cart-view-response-schema.json
- **JSONSchema** — https://artifacts.apis.io/catalogapi-com/json-schema/catalogapi-com-items-search-request-schema.json
- **JSONSchema** — https://artifacts.apis.io/catalogapi-com/json-schema/catalogapi-com-item-details-response-schema.json
- **JSONSchema** — https://artifacts.apis.io/catalogapi-com/json-schema/catalogapi-com-order-track-response-schema.json
- **APIsJSON** — https://artifacts.apis.io/catalogapi-com/apis.yml

## Other catalogapi-com APIs (3)

- [catalogapi-com Catalog API](https://apis.io/apis/catalogapi-com/catalogapi-com-catalog-api/)
- [catalogapi-com Health API](https://apis.io/apis/catalogapi-com/catalogapi-com-health-api/)
- [catalogapi-com Order API](https://apis.io/apis/catalogapi-com/catalogapi-com-order-api/)

## Tags

Cart

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/catalogapi-com/catalogapi-com-cart-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/catalogapi-com/.