# Boulevard Client API - Booking Cart & Checkout

**Canonical:** https://apis.io/apis/boulevard/boulevard-client-booking-cart-api/  
**Provider:** Boulevard — https://apis.io/providers/boulevard/  
**Base URL:** https://dashboard.boulevard.io/api/2020-01/client  
**Documentation:** https://developers.joinblvd.com/2020-01/client-api/overview

Boulevard Client API - Booking Cart & Checkout is one of 7 APIs that [Boulevard](https://apis.io/providers/boulevard/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Booking, Cart, Checkout, and GraphQL. The published artifact set on APIs.io includes API documentation and SDKs.

Build custom, on-brand self-booking experiences on top of a cart workflow - create a cart for a location, add a selected purchasable (service) item, reserve an available timeslot, attach a tokenized card as the payment method, and check out. Confirmed mutations from the official `book-sdk` and `promotion-demo` reference clients include `CreateCart`, `AddCartSelectedPurchasableItem`, `AddCartCardPaymentMethod`, and `CheckoutCart`.

## Machine-readable artifacts (6)

- **Documentation** — https://developers.joinblvd.com/2020-01/client-api/overview
- **Documentation** — https://developers.joinblvd.com/2020-01/client-api/authentication
- **SDK** — https://github.com/Boulevard/book-sdk
- **SDK** — https://github.com/Boulevard/create-booking-flow
- **GraphQL** — https://raw.githubusercontent.com/api-evangelist/boulevard/refs/heads/main/graphql/boulevard-graphql.md
- **GraphQL** — https://raw.githubusercontent.com/api-evangelist/boulevard/refs/heads/main/graphql/boulevard-schema.graphql

## Other Boulevard APIs (6)

- [Boulevard Admin API - Clients & CRM](https://apis.io/apis/boulevard/boulevard-admin-clients-crm-api/)
- [Boulevard Admin API - Appointments, Staff & Locations](https://apis.io/apis/boulevard/boulevard-admin-appointments-scheduling-api/)
- [Boulevard Admin API - Memberships & Packages](https://apis.io/apis/boulevard/boulevard-admin-memberships-packages-api/)
- [Boulevard Admin API - Payments, Gift Cards & Vouchers](https://apis.io/apis/boulevard/boulevard-admin-payments-gift-cards-api/)
- [Boulevard Client API - Catalog & Availability](https://apis.io/apis/boulevard/boulevard-client-catalog-availability-api/)
- [Boulevard Tokenization API](https://apis.io/apis/boulevard/boulevard-tokenization-api/)

## Tags

Booking, Cart, Checkout, GraphQL

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