# Backstage

**Canonical:** https://apis.io/providers/backstage/  
**Website:** https://backstage.io/  
**APIs profiled:** 13

Backstage is an open-source developer portal platform created by Spotify. It provides a centralized software catalog, software templates (scaffolder), TechDocs, and a plugin ecosystem for building customizable developer portals. Backstage helps organizations manage their software ecosystem by cataloging services, APIs, resources, and infrastructure, and provides tooling for creating new projects from templates.

## Kin Score — 40.4 / 100 (developing)

Scored 2026-08-21 under rubric 0.12.0. Trend: flat (+0.0 from 40.4).

| Facet | Score |
|---|---|
| Discoverability | 55.6 |
| Contract Quality | 65.6 |
| Governance | 28.8 |
| Contract Governance | 28.8 |
| Operational Transparency | 28.9 |
| Developer Ergonomics | 40.5 |
| Commercial Clarity | 15.8 |
| Access Clarity | 15.8 |

## Agent readiness — 38.8 (agent-ready)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | documented |
| MCP Server | no |
| Auth Clarity | yes |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | partial |
| Rate Limit Signal | documented |
| Event Surface Described | derived |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | yes |

## Access

Freemium · Self-serve signup — onboarding: self-serve, pricing: freemium, trial: no (confidence: high).

## APIs (13)

- **Backstage Events System** — The Backstage Events system provides a publish-subscribe mechanism for broadcasting and consuming events within a Backstage instance. It enables plugins to emit events when sign...
- **Backstage Actions API** — Endpoints for listing available scaffolder actions.
- **Backstage Authentication API** — The Authentication API from Backstage — 4 operation(s) for authentication.
- **Backstage Authorization API** — The Authorization API from Backstage — 2 operation(s) for authorization.
- **Backstage Documentation API** — The Documentation API from Backstage — 2 operation(s) for documentation.
- **Backstage Entities API** — Endpoints for managing and querying catalog entities.
- **Backstage Locations API** — Endpoints for managing catalog locations (entity sources).
- **Backstage Metadata API** — The Metadata API from Backstage — 2 operation(s) for metadata.
- **Backstage Search API** — The Search API from Backstage — 1 operation(s) for search.
- **Backstage Sync API** — The Sync API from Backstage — 1 operation(s) for sync.
- **Backstage Tasks API** — Endpoints for creating and managing scaffolder tasks.
- **Backstage Templates API** — Endpoints for template metadata and parameter schemas.
- **Backstage Token Verification API** — The Token Verification API from Backstage — 1 operation(s) for token verification.

## Agentic access (1)

- **Backstage Agentic Access** — 38 operations · 14 acting

## Security (2)

- **Backstage Authentication** — apiKey/http · 2 schemes
- **Backstage Domain Security** — TLSv1.3

## Plans (1)

- **Backstage Plans Pricing**

## Use cases (4)

- **Internal Developer Portal** — Build a unified portal for developers to discover services, read docs, and scaffold projects.
- **Service Catalog** — Maintain a complete, up-to-date inventory of all microservices, APIs, and infrastructure.
- **Developer Onboarding** — Accelerate new developer onboarding with self-service project scaffolding and documentation.
- **API Governance** — Track all internal and external APIs, their owners, and documentation in one place.

## Tags

Developer Portal, Internal Developer Platform, Software Catalog, Open-Source

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