# Happy Buyers External API

**Canonical:** https://apis.io/apis/happy-cabbage-analytics/happy-buyers-external-api/  
**Provider:** Happy Cabbage Analytics — https://apis.io/providers/happy-cabbage-analytics/  
**Base URL:** https://api.happycabbage.ai  
**Documentation:** https://cabbage.pub/swagger-ui/index.html

Happy Buyers External API is published by [Happy Cabbage Analytics](https://apis.io/providers/happy-cabbage-analytics/) on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Cannabis, Retail, Inventory Management, Purchasing, and Wholesale. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, an API reference, and authentication docs.

External REST API for Happy Buyers organization metadata and inventory data. Requests are authenticated with an API key sent in the hca-api-key header and results are scoped to the organization attached to that key. Covers stores, POS brands/categories, universal brands and categories, product and product-line inventory with demand and replenishment metrics, package-level inventory, inventory health (current and historical, by store / POS brand / category), daily sales metadata, blockout dates, and full purchase-order management including order items, invoices and temporary invoice upload/download URLs. List endpoints use limit/offset pagination and return totalCount plus hasMore. Released in beta on 2026-06-05.

## Machine-readable artifacts (10)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/happy-cabbage-analytics/refs/heads/main/openapi/happy-cabbage-analytics-happy-buyers-external-openapi.yml
- **Documentation** — https://cabbage.pub/swagger-ui/index.html
- **APIReference** — https://cabbage.pub/swagger-ui/index.html
- **Authentication** — https://raw.githubusercontent.com/api-evangelist/happy-cabbage-analytics/refs/heads/main/authentication/happy-cabbage-analytics-authentication.yml
- **Conventions** — https://raw.githubusercontent.com/api-evangelist/happy-cabbage-analytics/refs/heads/main/conventions/happy-cabbage-analytics-conventions.yml
- **ErrorCatalog** — https://raw.githubusercontent.com/api-evangelist/happy-cabbage-analytics/refs/heads/main/errors/happy-cabbage-analytics-problem-types.yml
- **DataModel** — https://raw.githubusercontent.com/api-evangelist/happy-cabbage-analytics/refs/heads/main/data-model/happy-cabbage-analytics-data-model.yml
- **Overlay** — https://raw.githubusercontent.com/api-evangelist/happy-cabbage-analytics/refs/heads/main/overlays/happy-cabbage-analytics-happy-buyers-external-overlay.yaml
- **AgentSkill** — https://raw.githubusercontent.com/api-evangelist/happy-cabbage-analytics/refs/heads/main/skills/_index.yml
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/happy-cabbage-analytics/refs/heads/main/apis.yml

## Tags

Cannabis, Retail, Inventory Management, Purchasing, Wholesale, Demand Forecasting

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