# Unity Catalog

**Canonical:** https://apis.io/providers/unity-catalog/  
**Website:** https://www.unitycatalog.io  
**APIs profiled:** 1

Unity Catalog provides an industry‑first universal catalog for data and AI, enabling organizations to manage, discover, and govern data assets across multiple formats, engines, and environments. The platform offers multimodal interfaces, extensive integrations with tools like Spark, DuckDB, and LangChain, and supports AI workloads through dedicated APIs. It includes features for tables, functions, models, and user privileges, along with robust security and governance capabilities.

## Kin Score — 27.6 / 100 (thin)

Scored 2026-11-06 under rubric 0.27.0. Trend: flat (-3.4 from 31.0).

| Facet | Score |
|---|---|
| Discoverability | 66.1 |
| Contract Quality | 54.3 |
| Contract Governance | 22.0 |
| Operational Transparency | 2.6 |
| Developer Ergonomics | 27.4 |
| Access Clarity | 0.0 |

Regulatory layer — **AI & Biometrics**: 15.5 (matched via residual_tags).

## Agent readiness — 22.2 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | bearer |
| Idempotency | no |
| Error Semantics | derived |
| OpenAPI Examples | partial |
| Rate Limit Signal | no |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |
| Pagination Ratio | na |
| Operation Distinctiveness | distinct |
| MCP Tool Quality | na |

## Access

Self-serve signup — onboarding: self-serve, pricing: unknown, trial: no (confidence: low).

## APIs (13)

- **Unity Catalog Catalogs API** — A catalog is the first layer of Unity Catalog’s three-level namespace. It’s used to organize your data assets.
- **Unity Catalog Credentials API** — The Credentials API from Unity Catalog — 2 operation(s) for credentials.
- **Unity Catalog Delta Commits API** — "Delta commits" is a Delta tables feature that allows Delta tables to designate a coordinator to coordinate commits. This is Unity Catalog's API to allow Unity Catalog be the co...
- **Unity Catalog External Locations API** — The External Locations API from Unity Catalog — 2 operation(s) for external locations.
- **Unity Catalog Functions API** — Functions implement User-Defined Functions (UDFs) in Unity Catalog. The function implementation can be a SQL expression/query or a python function, and it can be invoked whereve...
- **Unity Catalog Grants API** — The Grants API from Unity Catalog — 1 operation(s) for grants.
- **Unity Catalog Metastores API** — A metastore is the top-level container of objects in Unity Catalog that stores all UC assets.
- **Unity Catalog Schemas API** — A schema (also called a database) is the second layer of Unity Catalog’s three-level namespace. A schema organizes tables, volumes and functions.
- **Unity Catalog Tables API** — A table resides in the third layer of Unity Catalog’s three-level namespace. It contains rows of data. A table can be managed or external.
- **Unity Catalog Temporary Credentials API** — Temporary credentials are used to access storage locations or assets for a limited lifetime.
- **Unity Catalog Volumes API** — Volumes are a Unity Catalog capability for accessing, storing, governing, organizing and processing files. Use cases include running machine learning on unstructured data such a...
- **Unity Catalog Model Versions API** — Model versions contain all artifact files associated with an individual machine learning model. They are associated with a single parent model and have an integer identifier, in...
- **Unity Catalog Registered Models API** — Registered models are machine learning models that are stored within the Unity Catalog model registry. They are comprised of all versions of a single model that a user wishes to...

## Agentic access (1)

- **Unity Catalog Agentic Access** — 54 operations · 33 acting

## Security (2)

- **Unity Catalog Authentication** — 1 scheme
- **Unity Catalog Domain Security** — TLSv1.3 · HSTS

## Tags

Data, Artificial Intelligence, Catalog, Governance, Multi-Modal

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/unity-catalog/). Scores are computed from the provider's own public artifacts under a published rubric.