# OpenFGA

**Canonical:** https://apis.io/providers/openfga/  
**Website:** https://openfga.dev  
**APIs profiled:** 6

OpenFGA is a CNCF incubating high-performance authorization system implementing fine-grained access control based on the Zanzibar model. It provides a flexible relationship-based authorization engine that evaluates access decisions using a type system defined in a modeling language. OpenFGA supports authorization checks, relationship queries, and list operations through its API.

## Kin Score — 26.6 / 100 (thin)

Scored 2026-08-25 under rubric 0.14.0. Trend: flat (+0.0 from 26.6).

| Facet | Score |
|---|---|
| Discoverability | 79.6 |
| Contract Quality | 45.6 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 13.2 |
| Developer Ergonomics | 11.9 |
| Commercial Clarity | 15.8 |
| Access Clarity | 15.8 |

## Agent readiness — 17.3 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | no |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| 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 |

## Access

Freemium — onboarding: unknown, pricing: freemium, trial: no (confidence: medium).

## APIs (6)

- **OpenFGA Assertions API** — The Assertions API from OpenFGA — 1 operation(s) for assertions.
- **OpenFGA Authorization Models API** — The Authorization Models API from OpenFGA — 2 operation(s) for authorization models.
- **OpenFGA AuthZenService API** — The AuthZenService API from OpenFGA — 6 operation(s) for authzenservice.
- **OpenFGA Relationship Queries API** — The Relationship Queries API from OpenFGA — 6 operation(s) for relationship queries.
- **OpenFGA Relationship Tuples API** — The Relationship Tuples API from OpenFGA — 3 operation(s) for relationship tuples.
- **OpenFGA Stores API** — The Stores API from OpenFGA — 2 operation(s) for stores.

## Agentic access (1)

- **Openfga Agentic Access** — 24 operations · 17 acting

## Security (1)

- **Openfga Domain Security** — TLSv1.3 · HSTS · DMARC

## Plans (1)

- **Openfga Plans Pricing**

## Tags

Access Control, Authorization, Cloud-Native, Fine-Grained, Incubating, Zanzibar

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