Backstage website screenshot

Backstage

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.

Backstage publishes 23 APIs on the APIs.io network, including Actions API, Authentication API, Authorization API, and 20 more. Tagged areas include Developer Portal, Internal Developer Platform, Software Catalog, Open Source, and Platform Engineering.

The Backstage catalog on APIs.io includes 2 event-driven AsyncAPI specifications, 1 JSON-LD context, and 3 Spectral governance rulesets.

Backstage’s developer surface includes sandbox, changelog, CLI, API reference, support, authentication, documentation, and 38 more developer resources.

🌐 Visit website 📡 Source on GitHub
62.8/100 strong ▬ flat Agent 60/100 agent ready self hosted · Apache-2.0 Full breakdown ↓
scored 2026-09-25 · rubric v0.23.0
AccessFreemiumSelf serve⚡ Free to try
13 APIs 1 MCP Servers 7 Features 4 Use Cases
Developer PortalInternal Developer PlatformSoftware CatalogOpen SourcePlatform EngineeringSoftware TemplatesCNCFCloud-NativeIncubating

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-09-25 · rubric v0.23.0
Composite quality — 62.8/100 · strong
Contract Quality 11.6 / 19
Developer Ergonomics 12.9 / 15
Access Clarity 2.4 / 15
Operational Transparency 5.9 / 10
Contract Governance 4.1 / 9
Discoverability 6.0 / 8
Regulatory Posture 4.9 / 15
Create-or-Update Ergonomics 3.9 / 10
Agent readiness — 60/100 · agent ready
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
Documented Reversibility 6 / 6
MCP Server 12 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 8 / 8
Request/Response Examples 7 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 6 / 6
Agent Skills 5 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 4 / 4
Delegated User Identity 6 / 6
Protected Resource Metadata 5 / 5
Registration Without a Human 6 / 6
Agentic Commerce Well-Known Document 0 / 5
Regulatory Posture applies to this provider. Its tags matched the Horizontal (data, software, accessibility, platform) regime, so Regulatory Posture carries 15 points of the composite. If this regime is wrong for your business, say so on your provider repo — the applicability map is public and we will correct it.
Create-or-Update Ergonomics applies to this provider. This API accepts writes, so it carries 10 points of the composite. It is scored from the published contracts themselves: whether a caller can create-or-update in one call, whether the write accepts a key the caller already holds, and whether the response says which branch ran. Without that, every write needs a search-and-branch in front of it, and the first time that check is skipped a duplicate record is created. Scored against the observed mean rather than raw — a provider at the catalog average is unchanged by this facet, not penalised by it.
The six quality facets above are damped to 75 points between them, because the conditional facet above carries the other 25. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 75% of its nominal weight, not 100%. The full arithmetic is at apis.io/rating/.
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. Every facet and dimension name above is a link: it opens that measurement's own page — what it means, the exact checks that feed it, how the whole catalog distributes on it, and the providers at the top of it. This rating is computed from github.com/api-evangelist/backstage: open an issue to ask a question, or submit a pull request to add artifacts. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

What adopting Backstage moves on the Kin Score 3

Backstage is an area vendor: providers adopt it to run part of their developer surface. This is the Kin Score checks its features can move for a provider that adopts it, what each one really earns, and what it earns nothing for.

developer portalcapability map4 features checked 2026-09-25 · rubric v0.22.0

Backstage is built for internal engineering: a catalog of services and APIs (openapi, asyncapi, graphql, grpc definitions), TechDocs and scaffolding, all inside a client-side React app that usually sits behind single sign-on. None of that is the public surface the Kin Score reads. The portal, documentation and reference pointers are reachable only by the rare provider that runs a public, unauthenticated Backstage and declares it, and even then the React shell hides content from non-JavaScript readers. Its MCP actions backend exposes Backstage’s own actions behind backend auth, not the provider’s API. Backstage matters to a public score only indirectly, by keeping the internal contracts a provider later publishes in order.

Developer Ergonomics11.0 of 42 pts
CheckEarnsThrough
Documentationsaturated
Developer ErgonomicsOnly when TechDocs are public and declared as Documentation. Behind SSO, the score never sees them.		 4.0 of 4 TechDocs
API referencesaturated
Developer ErgonomicsOnly when an API entity’s rendered definition is public and declared as an APIReference. The React app renders client-side, so a non-JavaScript reader sees a shell.		 3.0 of 3 Software Catalog with API entities
Developer portalconditional
Developer ErgonomicsOnly for a Backstage instance served publicly without SSO and declared as the provider’s DeveloperPortal. Almost every deployment is internal.		 4.0 of 4 Internal developer portal framework
Across 8977 providers that publish a contract, adopting Backstage would move 0. Median lift: composite +0.0 (90th percentile +0.0), agent readiness +0.0 (+0.0). Conditional rows excluded.
What Backstage ships that earns nothing (3)
  • MCP Actions Backend — The tools are Backstage’s own registered actions behind backend auth, not the provider’s API.
  • Software Catalog with API entities — An API entity stores a definition inside the catalog. It is not a published contract until the provider publishes the OpenAPI itself.
  • Software Catalog with API entities — A catalog-info.yaml is Backstage’s descriptor, not an APIs.json index.

A model, not a score. Adopting this vendor changes a provider's Kin Score only when the provider publishes the resulting artifacts on its own surface; nothing here writes a score, and no sponsorship or partnership can. The rating is not for sale → · Full vendor facets artifact

APIs 23

Individual APIs this provider publishes, each with its own machine-readable definition.

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 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.

Backstage Autocomplete API

The Autocomplete API from Backstage — 1 operation(s) for autocomplete.

Backstage Bus API

The Bus API from Backstage — 3 operation(s) for bus.

Backstage Dry Run API

The Dry Run API from Backstage — 1 operation(s) for dry run.

Backstage Entity API

The Entity API from Backstage — 9 operation(s) for entity.

Backstage Notifications API

The Notifications API from Backstage — 5 operation(s) for notifications.

Backstage Provider API

List of endpoints per provider

Backstage Remotes API

The Remotes API from Backstage — 1 operation(s) for remotes.

Backstage Settings API

The Settings API from Backstage — 1 operation(s) for settings.

Backstage Status API

The Status API from Backstage — 1 operation(s) for status.

Backstage Templating Extensions API

The Templating Extensions API from Backstage — 1 operation(s) for templating extensions.

Backstage Topics API

The Topics API from Backstage — 1 operation(s) for topics.

Backstage Update API

The Update API from Backstage — 1 operation(s) for update.

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Open Collections 19

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

API Collection

OPEN COLLECTION

Backstage Auth Actions API

OPEN COLLECTION

Backstage Auth API

OPEN COLLECTION

Backstage Auth Actions Authentication API

OPEN COLLECTION

Backstage Auth Actions Authorization API

OPEN COLLECTION

Backstage Catalog API

OPEN COLLECTION

Backstage Auth Actions Documentation API

OPEN COLLECTION

Backstage Auth Actions Entities API

OPEN COLLECTION

Backstage Auth Actions Locations API

OPEN COLLECTION

Backstage Auth Actions Metadata API

OPEN COLLECTION

Backstage Permissions API

OPEN COLLECTION

Backstage Scaffolder API

OPEN COLLECTION

Backstage Auth Actions Search API

OPEN COLLECTION

Backstage Search API

OPEN COLLECTION

Backstage Auth Actions Sync API

OPEN COLLECTION

Backstage Auth Actions Tasks API

OPEN COLLECTION

Backstage TechDocs API

OPEN COLLECTION

Backstage Auth Actions Templates API

OPEN COLLECTION

Backstage Auth Actions Token Verification API

OPEN COLLECTION

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MCP Servers 1

Model Context Protocol servers that expose these APIs to AI agents.

Backstage MCP Actions Backend

Backstage ships a first-party MCP server as the @backstage/plugin-mcp-actions-backend plugin. It exposes every action registered with the Backstage Actions Registry as an MCP to...

MCP SERVER

Pricing Plans 1

Published pricing tiers and plan structures.

Backstage Plans Pricing

4 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Backstage Rate Limits

6 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Backstage Finops

FINOPS

Features 7

Notable capabilities this provider offers.

Software Catalog

Central inventory of all software components, APIs, resources, systems, domains, groups, and users.

Software Templates (Scaffolder)

Bootstrap new projects, services, and components from customizable templates.

TechDocs

Render and serve MkDocs-based technical documentation alongside catalog entities.

Plugin Ecosystem

Extensible plugin architecture with 100+ open-source plugins for CI/CD, monitoring, cloud, and more.

Search

Full-text search across catalog entities, TechDocs, and any other indexed content.

Permissions Framework

Policy-based authorization with conditional rules for resource-level access control.

Entity Relations

Model ownership, dependencies, and API consumption relationships between services.

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Event Specifications 2

AsyncAPI definitions for this provider's event-driven and streaming APIs.

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...

ASYNCAPI

Backstage Webhooks

ASYNCAPI

Semantic Vocabularies 1

JSON-LD contexts and semantic vocabularies used across these APIs.

Backstage Context

16 classes · 48 properties

JSON-LD

Spectral Rules 3

Spectral governance rulesets for linting and validating these APIs.

Backstage API Rules

7 rules · 6 warnings 1 info

SPECTRAL

Backstage API Rules

6 rules · 4 warnings 2 info

SPECTRAL

Backstage API Rules

27 rules · 9 errors 14 warnings 4 info

SPECTRAL

JSON Schema 16

Standalone JSON Schema definitions for this provider's data models.

AuthResponse

3 properties

JSON SCHEMA

JwksResponse

1 properties

JSON SCHEMA

Backstage Catalog Entity

6 properties

JSON SCHEMA

EntityMetadata

10 properties

JSON SCHEMA

EntityRelation

2 properties

JSON SCHEMA

Entity

6 properties

JSON SCHEMA

Location

3 properties

JSON SCHEMA

ConditionalRequest

3 properties

JSON SCHEMA

PermissionDecision

4 properties

JSON SCHEMA

PermissionRequest

2 properties

JSON SCHEMA

Action

3 properties

JSON SCHEMA

Task

7 properties

JSON SCHEMA

SearchDocument

3 properties

JSON SCHEMA

SearchResult

4 properties

JSON SCHEMA

SearchResultSet

4 properties

JSON SCHEMA

TechDocsMetadata

5 properties

JSON SCHEMA

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JSON Structure 16

JSON Structure definitions describing this provider's data shapes.

Auth Auth Response Structure

3 properties

JSON STRUCTURE

Auth Jwks Response Structure

1 properties

JSON STRUCTURE

Backstage Entity Structure

6 properties

JSON STRUCTURE

Catalog Entity Metadata Structure

10 properties

JSON STRUCTURE

Catalog Entity Relation Structure

2 properties

JSON STRUCTURE

Catalog Entity Structure

6 properties

JSON STRUCTURE

Catalog Location Structure

3 properties

JSON STRUCTURE

Permissions Conditional Request Structure

3 properties

JSON STRUCTURE

Permissions Permission Decision Structure

4 properties

JSON STRUCTURE

Permissions Permission Request Structure

2 properties

JSON STRUCTURE

Scaffolder Action Structure

3 properties

JSON STRUCTURE

Scaffolder Task Structure

7 properties

JSON STRUCTURE

Search Search Document Structure

3 properties

JSON STRUCTURE

Search Search Result Set Structure

4 properties

JSON STRUCTURE

Search Search Result Structure

4 properties

JSON STRUCTURE

Techdocs Tech Docs Metadata Structure

5 properties

JSON STRUCTURE

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Examples 16

Example request and response payloads for these APIs.

Auth Auth Response Example

3 fields

EXAMPLE

Auth Jwks Response Example

1 fields

EXAMPLE

Backstage Entity Example

6 fields

EXAMPLE

Catalog Entity Example

6 fields

EXAMPLE

Catalog Entity Metadata Example

10 fields

EXAMPLE

Catalog Entity Relation Example

2 fields

EXAMPLE

Catalog Location Example

3 fields

EXAMPLE

Permissions Conditional Request Example

3 fields

EXAMPLE

Permissions Permission Decision Example

4 fields

EXAMPLE

Permissions Permission Request Example

2 fields

EXAMPLE

Scaffolder Action Example

3 fields

EXAMPLE

Scaffolder Task Example

7 fields

EXAMPLE

Search Search Document Example

3 fields

EXAMPLE

Search Search Result Example

4 fields

EXAMPLE

Search Search Result Set Example

4 fields

EXAMPLE

Techdocs Tech Docs Metadata Example

5 fields

EXAMPLE

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Security Posture 3

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Backstage Authentication

apiKey/http · 2 schemes

SECURITY

Backstage Domain Security

TLSv1.3

SECURITY

Backstage Vulnerability Disclosure

Hackerone

SECURITY

Scopes 1

OAuth scopes governing access to this provider's APIs.

Backstage Scopes

OAuth 2.0 · no documented scopes

0 scopes

SCOPES

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Backstage Agentic Access

67 operations · 25 acting

67 operations · 25 acting

AGENTIC

Use Cases 4

What developers build with this provider.

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.

Integrations 6

Pre-built integrations with other platforms and tools.

GitHub

Catalog ingestion from GitHub repos, GitHub Actions integration for CI/CD visibility.

PagerDuty

Show on-call information and incident status on catalog entity pages.

Kubernetes

Display Kubernetes workload status for catalog entities.

Prometheus

Show metrics and alerts for services directly in the catalog.

Snyk

Display security vulnerability information for catalog entities.

Datadog

Surface monitoring dashboards within Backstage.

Resources

Get Started 3

Portal, sign-up, and the first successful call

Sandbox
Sandbox
 DeveloperPortal
DeveloperPortal
 GettingStarted
GettingStarted

Documentation 3

Reference material describing how the API behaves

APIReference
APIReference
 Documentation
Documentation
 JSONSchema
JSONSchema

Agent Surfaces 5

MCP servers, agent skills, and machine-readable catalogs

MCPServer
MCPServer
 WellKnown
WellKnown
 LLMsTxt
LLMsTxt
 AgentSkill
AgentSkill
 AgenticAccess
AgenticAccess

Design & Contract 10

Pagination, idempotency, versioning, errors, and events

Conformance
Conformance
 ErrorCatalog
ErrorCatalog
 Lifecycle
Lifecycle
 Conventions
Conventions
 Components
Components
 DataModel
DataModel
 Webhooks
Webhooks
 JSONLD
JSONLD
 SpectralRules
SpectralRules
 Vocabulary
Vocabulary

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Build 6

SDKs, sample code, and the tooling you integrate with

Packages
Packages
 SDKs
SDKs
 CLI
CLI
 GitHubOrganization
GitHubOrganization
 GitHubRepository
GitHubRepository
 Developer Tools
Developer Tools

Access & Security 5

Authentication, authorization, and security posture

OAuthScopes
OAuthScopes
 VulnerabilityDisclosure
VulnerabilityDisclosure
 Security
Security
 DomainSecurity
DomainSecurity
 Authentication
Authentication

Operate 6

Status, limits, changes, and where to get help

Deprecation
Deprecation
 ChangeLog
ChangeLog
 Roadmap
Roadmap
 Support
Support
 ChangeLog
ChangeLog
 Community
Community

Company 2

The organization behind the API

Website
Website
 Blog
Blog

Other 5

Properties that don't map to a standard resource type

VendorFacets
VendorFacets
 Overlay
Overlay
 Overlay
Overlay
 Overlay
Overlay
 Overlay
Overlay

Source (apis.yml)

apis.yml Raw ↑ 
aid: backstage
url: https://raw.githubusercontent.com/api-evangelist/backstage/refs/heads/main/apis.yml
x-docs-platform: docusaurus
x-docs-platform-confidence: medium
x-docs-platform-checked: 2026-09-20
apis:
- aid: backstage:backstage-actions-api
  name: Backstage Actions API
  description: Endpoints for listing available scaffolder actions.
  humanURL: https://backstage.io/docs/features/software-catalog/software-catalog-api/
  tags:
  - Actions
  baseURL: https://{backstageHost}/api/scaffolder
  properties:
  - type: OpenAPI
    url: openapi/backstage-actions-api-openapi.yml
  - type: Documentation
    url: https://backstage.io/docs/features/software-catalog/software-catalog-api/
  - type: Documentation
    url: https://backstage.io/docs/features/software-templates/
  - type: Documentation
    url: https://backstage.io/docs/auth/
  - type: Documentation
    url: https://backstage.io/docs/features/techdocs/
  - type: Documentation
    url: https://backstage.io/docs/features/search/
  - type: Documentation
    url: https://backstage.io/docs/permissions/overview
- aid: backstage:backstage-authentication-api
  name: Backstage Authentication API
  description: The Authentication API from Backstage — 4 operation(s) for authentication.
  humanURL: https://backstage.io/docs/features/software-catalog/software-catalog-api/
  tags:
  - Authentication
  baseURL: https://{backstageHost}/api/auth
  properties:
  - type: OpenAPI
    url: openapi/backstage-authentication-api-openapi.yml
  - type: Documentation
    url: https://backstage.io/docs/features/software-catalog/software-catalog-api/
  - type: Documentation
    url: https://backstage.io/docs/features/software-templates/
  - type: Documentation
    url: https://backstage.io/docs/auth/
  - type: Documentation
    url: https://backstage.io/docs/features/techdocs/
  - type: Documentation
    url: https://backstage.io/docs/features/search/
  - type: Documentation
    url: https://backstage.io/docs/permissions/overview
- aid: backstage:backstage-authorization-api
  name: Backstage Authorization API
  description: The Authorization API from Backstage — 2 operation(s) for authorization.
  humanURL: https://backstage.io/docs/features/software-catalog/software-catalog-api/
  tags:
  - Authorization
  baseURL: https://{backstageHost}/api/permission
  properties:
  - type: OpenAPI
    url: openapi/backstage-authorization-api-openapi.yml
  - type: Documentation
    url: https://backstage.io/docs/features/software-catalog/software-catalog-api/
  - type: Documentation
    url: https://backstage.io/docs/features/software-templates/
  - type: Documentation
    url: https://backstage.io/docs/auth/
  - type: Documentation
    url: https://backstage.io/docs/features/techdocs/
  - type: Documentation
    url: https://backstage.io/docs/features/search/
  - type: Documentation
    url: https://backstage.io/docs/permissions/overview
- aid: backstage:backstage-documentation-api
  name: Backstage Documentation API
  description: The Documentation API from Backstage — 2 operation(s) for documentation.
  humanURL: https://backstage.io/docs/features/software-catalog/software-catalog-api/
  tags:
  - Documentation
  baseURL: https://{backstageHost}/api/techdocs
  properties:
  - type: OpenAPI
    url: openapi/backstage-documentation-api-openapi.yml
  - type: Documentation
    url: https://backstage.io/docs/features/software-catalog/software-catalog-api/
  - type: Documentation
    url: https://backstage.io/docs/features/software-templates/
  - type: Documentation
    url: https://backstage.io/docs/auth/
  - type: Documentation
    url: https://backstage.io/docs/features/techdocs/
  - type: Documentation
    url: https://backstage.io/docs/features/search/
  - type: Documentation
    url: https://backstage.io/docs/permissions/overview
- aid: backstage:backstage-locations-api
  name: Backstage Locations API
  description: Endpoints for managing catalog locations (entity sources).
  humanURL: https://backstage.io/docs/features/software-catalog/software-catalog-api/
  tags:
  - Location
  tags_raw:
  - Locations
  baseURL: https://{backstageHost}/api/catalog
  properties:
  - type: OpenAPI
    url: openapi/backstage-locations-api-openapi.yml
  - type: Documentation
    url: https://backstage.io/docs/features/software-catalog/software-catalog-api/
  - type: Documentation
    url: https://backstage.io/docs/features/software-templates/
  - type: Documentation
    url: https://backstage.io/docs/auth/
  - type: Documentation
    url: https://backstage.io/docs/features/techdocs/
  - type: Documentation
    url: https://backstage.io/docs/features/search/
  - type: Documentation
    url: https://backstage.io/docs/permissions/overview
- aid: backstage:backstage-metadata-api
  name: Backstage Metadata API
  description: The Metadata API from Backstage — 2 operation(s) for metadata.
  humanURL: https://backstage.io/docs/features/software-catalog/software-catalog-api/
  tags:
  - Metadata
  baseURL: https://{backstageHost}/api/techdocs
  properties:
  - type: OpenAPI
    url: openapi/backstage-metadata-api-openapi.yml
  - type: Documentation
    url: https://backstage.io/docs/features/software-catalog/software-catalog-api/
  - type: Documentation
    url: https://backstage.io/docs/features/software-templates/
  - type: Documentation
    url: https://backstage.io/docs/auth/
  - type: Documentation
    url: https://backstage.io/docs/features/techdocs/
  - type: Documentation
    url: https://backstage.io/docs/features/search/
  - type: Documentation
    url: https://backstage.io/docs/permissions/overview
- aid: backstage:backstage-search-api
  name: Backstage Search API
  description: The Search API from Backstage — 1 operation(s) for search.
  humanURL: https://backstage.io/docs/features/software-catalog/software-catalog-api/
  tags:
  - Search
  baseURL: https://{backstageHost}/api/search
  properties:
  - type: Overlay
    url: overlays/backstage-search-backend-overlay.yaml
  - type: OpenAPI
    url: openapi/backstage-search-api-openapi.yml
  - type: Documentation
    url: https://backstage.io/docs/features/software-catalog/software-catalog-api/
  - type: Documentation
    url: https://backstage.io/docs/features/software-templates/
  - type: Documentation
    url: https://backstage.io/docs/auth/
  - type: Documentation
    url: https://backstage.io/docs/features/techdocs/
  - type: Documentation
    url: https://backstage.io/docs/features/search/
  - type: Documentation
    url: https://backstage.io/docs/permissions/overview
- aid: backstage:backstage-sync-api
  name: Backstage Sync API
  description: The Sync API from Backstage — 1 operation(s) for sync.
  humanURL: https://backstage.io/docs/features/software-catalog/software-catalog-api/
  tags:
  - Sync
  baseURL: https://{backstageHost}/api/techdocs
  properties:
  - type: OpenAPI
    url: openapi/backstage-sync-api-openapi.yml
  - type: Documentation
    url: https://backstage.io/docs/features/software-catalog/software-catalog-api/
  - type: Documentation
    url: https://backstage.io/docs/features/software-templates/
  - type: Documentation
    url: https://backstage.io/docs/auth/
  - type: Documentation
    url: https://backstage.io/docs/features/techdocs/
  - type: Documentation
    url: https://backstage.io/docs/features/search/
  - type: Documentation
    url: https://backstage.io/docs/permissions/overview
- aid: backstage:backstage-tasks-api
  name: Backstage Tasks API
  description: Endpoints for creating and managing scaffolder tasks.
  humanURL: https://backstage.io/docs/features/software-catalog/software-catalog-api/
  tags:
  - Task
  tags_raw:
  - Tasks
  baseURL: https://{backstageHost}/api/scaffolder
  properties:
  - type: Overlay
    url: overlays/backstage-scaffolder-backend-overlay.yaml
  - type: OpenAPI
    url: openapi/backstage-tasks-api-openapi.yml
  - type: Documentation
    url: https://backstage.io/docs/features/software-catalog/software-catalog-api/
  - type: Documentation
    url: https://backstage.io/docs/features/software-templates/
  - type: Documentation
    url: https://backstage.io/docs/auth/
  - type: Documentation
    url: https://backstage.io/docs/features/techdocs/
  - type: Documentation
    url: https://backstage.io/docs/features/search/
  - type: Documentation
    url: https://backstage.io/docs/permissions/overview
- aid: backstage:backstage-templates-api
  name: Backstage Templates API
  description: Endpoints for template metadata and parameter schemas.
  humanURL: https://backstage.io/docs/features/software-catalog/software-catalog-api/
  tags:
  - Templates
  baseURL: https://{backstageHost}/api/scaffolder
  properties:
  - type: OpenAPI
    url: openapi/backstage-templates-api-openapi.yml
  - type: Documentation
    url: https://backstage.io/docs/features/software-catalog/software-catalog-api/
  - type: Documentation
    url: https://backstage.io/docs/features/software-templates/
  - type: Documentation
    url: https://backstage.io/docs/auth/
  - type: Documentation
    url: https://backstage.io/docs/features/techdocs/
  - type: Documentation
    url: https://backstage.io/docs/features/search/
  - type: Documentation
    url: https://backstage.io/docs/permissions/overview
- aid: backstage:backstage-token-verification-api
  name: Backstage Token Verification API
  description: The Token Verification API from Backstage — 1 operation(s) for token verification.
  humanURL: https://backstage.io/docs/features/software-catalog/software-catalog-api/
  tags:
  - Token Verification
  baseURL: https://{backstageHost}/api/auth
  properties:
  - type: OpenAPI
    url: openapi/backstage-token-verification-api-openapi.yml
  - type: Documentation
    url: https://backstage.io/docs/features/software-catalog/software-catalog-api/
  - type: Documentation
    url: https://backstage.io/docs/features/software-templates/
  - type: Documentation
    url: https://backstage.io/docs/auth/
  - type: Documentation
    url: https://backstage.io/docs/features/techdocs/
  - type: Documentation
    url: https://backstage.io/docs/features/search/
  - type: Documentation
    url: https://backstage.io/docs/permissions/overview
- aid: backstage:backstage-autocomplete-api
  name: Backstage Autocomplete API
  description: The Autocomplete API from Backstage — 1 operation(s) for autocomplete.
  humanURL: https://backstage.io/docs/plugins/backend-plugin
  baseURL: https://{backstageHost}/api/events
  tags:
  - Autocomplete
  properties:
  - type: OpenAPI
    url: openapi/backstage-autocomplete-api-openapi.yml
  - type: Webhooks
    url: asyncapi/backstage-webhooks.yml
  - type: Documentation
    url: https://backstage.io/docs/plugins/backend-plugin
  - type: AsyncAPI
    url: asyncapi/backstage-events-asyncapi.yml
  - type: Documentation
    url: https://backstage.io/docs/notifications/
  - type: Documentation
    url: https://backstage.io/docs/backend-system/
- aid: backstage:backstage-bus-api
  name: Backstage Bus API
  description: The Bus API from Backstage — 3 operation(s) for bus.
  humanURL: https://backstage.io/docs/plugins/backend-plugin
  baseURL: https://{backstageHost}/api/events
  tags:
  - Bus
  properties:
  - type: OpenAPI
    url: openapi/backstage-bus-api-openapi.yml
  - type: Webhooks
    url: asyncapi/backstage-webhooks.yml
  - type: Documentation
    url: https://backstage.io/docs/plugins/backend-plugin
  - type: AsyncAPI
    url: asyncapi/backstage-events-asyncapi.yml
  - type: Documentation
    url: https://backstage.io/docs/notifications/
  - type: Documentation
    url: https://backstage.io/docs/backend-system/
- aid: backstage:backstage-dry-run-api
  name: Backstage Dry Run API
  description: The Dry Run API from Backstage — 1 operation(s) for dry run.
  humanURL: https://backstage.io/docs/plugins/backend-plugin
  baseURL: https://{backstageHost}/api/events
  tags:
  - Dry Run
  properties:
  - type: OpenAPI
    url: openapi/backstage-dry-run-api-openapi.yml
  - type: Webhooks
    url: asyncapi/backstage-webhooks.yml
  - type: Documentation
    url: https://backstage.io/docs/plugins/backend-plugin
  - type: AsyncAPI
    url: asyncapi/backstage-events-asyncapi.yml
  - type: Documentation
    url: https://backstage.io/docs/notifications/
  - type: Documentation
    url: https://backstage.io/docs/backend-system/
- aid: backstage:backstage-entity-api
  name: Backstage Entity API
  description: The Entity API from Backstage — 9 operation(s) for entity.
  humanURL: https://backstage.io/docs/plugins/backend-plugin
  baseURL: https://{backstageHost}/api/events
  tags:
  - Entity
  properties:
  - type: OpenAPI
    url: openapi/backstage-entity-api-openapi.yml
  - type: Webhooks
    url: asyncapi/backstage-webhooks.yml
  - type: Documentation
    url: https://backstage.io/docs/plugins/backend-plugin
  - type: AsyncAPI
    url: asyncapi/backstage-events-asyncapi.yml
  - type: Documentation
    url: https://backstage.io/docs/notifications/
  - type: Documentation
    url: https://backstage.io/docs/backend-system/
- aid: backstage:backstage-notifications-api
  name: Backstage Notifications API
  description: The Notifications API from Backstage — 5 operation(s) for notifications.
  humanURL: https://backstage.io/docs/plugins/backend-plugin
  baseURL: https://{backstageHost}/api/events
  tags:
  - Notification
  tags_raw:
  - Notifications
  properties:
  - type: OpenAPI
    url: openapi/backstage-notifications-api-openapi.yml
  - type: Webhooks
    url: asyncapi/backstage-webhooks.yml
  - type: Documentation
    url: https://backstage.io/docs/plugins/backend-plugin
  - type: AsyncAPI
    url: asyncapi/backstage-events-asyncapi.yml
  - type: Documentation
    url: https://backstage.io/docs/notifications/
  - type: Documentation
    url: https://backstage.io/docs/backend-system/
- aid: backstage:backstage-provider-api
  name: Backstage Provider API
  description: List of endpoints per provider
  humanURL: https://backstage.io/docs/plugins/backend-plugin
  baseURL: https://{backstageHost}/api/events
  tags:
  - Providers
  tags_raw:
  - provider
  properties:
  - type: OpenAPI
    url: openapi/backstage-provider-api-openapi.yml
  - type: Webhooks
    url: asyncapi/backstage-webhooks.yml
  - type: Documentation
    url: https://backstage.io/docs/plugins/backend-plugin
  - type: AsyncAPI
    url: asyncapi/backstage-events-asyncapi.yml
  - type: Documentation
    url: https://backstage.io/docs/notifications/
  - type: Documentation
    url: https://backstage.io/docs/backend-system/
- aid: backstage:backstage-remotes-api
  name: Backstage Remotes API
  description: The Remotes API from Backstage — 1 operation(s) for remotes.
  humanURL: https://backstage.io/docs/plugins/backend-plugin
  baseURL: https://{backstageHost}/api/events
  tags:
  - Remotes
  properties:
  - type: OpenAPI
    url: openapi/backstage-remotes-api-openapi.yml
  - type: Webhooks
    url: asyncapi/backstage-webhooks.yml
  - type: Documentation
    url: https://backstage.io/docs/plugins/backend-plugin
  - type: AsyncAPI
    url: asyncapi/backstage-events-asyncapi.yml
  - type: Documentation
    url: https://backstage.io/docs/notifications/
  - type: Documentation
    url: https://backstage.io/docs/backend-system/
- aid: backstage:backstage-settings-api
  name: Backstage Settings API
  description: The Settings API from Backstage — 1 operation(s) for settings.
  humanURL: https://backstage.io/docs/plugins/backend-plugin
  baseURL: https://{backstageHost}/api/events
  tags:
  - Settings
  properties:
  - type: OpenAPI
    url: openapi/backstage-settings-api-openapi.yml
  - type: Webhooks
    url: asyncapi/backstage-webhooks.yml
  - type: Documentation
    url: https://backstage.io/docs/plugins/backend-plugin
  - type: AsyncAPI
    url: asyncapi/backstage-events-asyncapi.yml
  - type: Documentation
    url: https://backstage.io/docs/notifications/
  - type: Documentation
    url: https://backstage.io/docs/backend-system/
- aid: backstage:backstage-status-api
  name: Backstage Status API
  description: The Status API from Backstage — 1 operation(s) for status.
  humanURL: https://backstage.io/docs/plugins/backend-plugin
  baseURL: https://{backstageHost}/api/events
  tags:
  - Status
  properties:
  - type: OpenAPI
    url: openapi/backstage-status-api-openapi.yml
  - type: Webhooks
    url: asyncapi/backstage-webhooks.yml
  - type: Documentation
    url: https://backstage.io/docs/plugins/backend-plugin
  - type: AsyncAPI
    url: asyncapi/backstage-events-asyncapi.yml
  - type: Documentation
    url: https://backstage.io/docs/notifications/
  - type: Documentation
    url: https://backstage.io/docs/backend-system/
- aid: backstage:backstage-templating-extensions-api
  name: Backstage Templating Extensions API
  description: The Templating Extensions API from Backstage — 1 operation(s) for templating extensions.
  humanURL: https://backstage.io/docs/plugins/backend-plugin
  baseURL: https://{backstageHost}/api/events
  tags:
  - Templating Extensions
  properties:
  - type: OpenAPI
    url: openapi/backstage-templating-extensions-api-openapi.yml
  - type: Webhooks
    url: asyncapi/backstage-webhooks.yml
  - type: Documentation
    url: https://backstage.io/docs/plugins/backend-plugin
  - type: AsyncAPI
    url: asyncapi/backstage-events-asyncapi.yml
  - type: Documentation
    url: https://backstage.io/docs/notifications/
  - type: Documentation
    url: https://backstage.io/docs/backend-system/
- aid: backstage:backstage-topics-api
  name: Backstage Topics API
  description: The Topics API from Backstage — 1 operation(s) for topics.
  humanURL: https://backstage.io/docs/plugins/backend-plugin
  baseURL: https://{backstageHost}/api/events
  tags:
  - Topic
  tags_raw:
  - Topics
  properties:
  - type: OpenAPI
    url: openapi/backstage-topics-api-openapi.yml
  - type: Webhooks
    url: asyncapi/backstage-webhooks.yml
  - type: Documentation
    url: https://backstage.io/docs/plugins/backend-plugin
  - type: AsyncAPI
    url: asyncapi/backstage-events-asyncapi.yml
  - type: Documentation
    url: https://backstage.io/docs/notifications/
  - type: Documentation
    url: https://backstage.io/docs/backend-system/
- aid: backstage:backstage-update-api
  name: Backstage Update API
  description: The Update API from Backstage — 1 operation(s) for update.
  humanURL: https://backstage.io/docs/plugins/backend-plugin
  baseURL: https://{backstageHost}/api/events
  tags: []
  tags_raw:
  - Update
  properties:
  - type: OpenAPI
    url: openapi/backstage-update-api-openapi.yml
  - type: Webhooks
    url: asyncapi/backstage-webhooks.yml
  - type: Documentation
    url: https://backstage.io/docs/plugins/backend-plugin
  - type: AsyncAPI
    url: asyncapi/backstage-events-asyncapi.yml
  - type: Documentation
    url: https://backstage.io/docs/notifications/
  - type: Documentation
    url: https://backstage.io/docs/backend-system/
name: Backstage
tags:
- Developer Portal
- Internal Developer Platform
- Software Catalog
- Open Source
- Platform Engineering
- Software Templates
- CNCF
- Cloud-Native
- Incubating
tags_raw:
- Developer Portal
- Internal Developer Platform
- Software Catalog
- Open Source
- Platform Engineering
- Software Templates
- CNCF
- Open-Source
- Cloud-Native
- Incubating
type: Index
deliveryModel:
  model: self-hosted
  license: Apache-2.0
  license_evidence:
    repo: backstage/backstage
    spdx: Apache-2.0
    stars: 34497
  open_source: true
  commercial: false
  callable_host: false
  label: Self-hosted open source · you run it yourself
  confidence: medium
  source:
  - openapi
  - repository-license
  generated: '2026-09-25'
  method: derived
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  label: Freemium · Self-serve signup
  confidence: medium
  source:
  - plans
  - authentication
  - security
  generated: '2026-09-03'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/backstage.png
access: 3rd-Party
common:
- type: VendorFacets
  url: vendor-facets/backstage-vendor-facets.yml
- type: Overlay
  url: overlays/backstage-catalog-backend-overlay.yaml
- type: Overlay
  url: overlays/backstage-events-backend-overlay.yaml
- type: Overlay
  url: overlays/backstage-notifications-backend-overlay.yaml
- type: Overlay
  url: overlays/backstage-dynamic-features-overlay.yaml
- type: MCPServer
  url: mcp/backstage-mcp.yml
  name: Backstage MCP Actions Backend
- type: Packages
  url: packages/backstage-packages.yml
  name: Backstage npm packages
- type: SDKs
  url: packages/backstage-packages.yml
  name: Backstage first-party client libraries
- type: WellKnown
  url: well-known/backstage-well-known.yml
  name: Well-known document probe
- type: LLMsTxt
  url: llms/backstage-llms.txt
  name: Backstage llms.txt
- type: AgentSkill
  url: skills/_index.yml
  name: Backstage published Agent Skills
- type: Conformance
  url: conformance/backstage-conformance.yml
  name: Standards conformance
- type: ErrorCatalog
  url: errors/backstage-problem-types.yml
  name: Backstage error catalog
- type: Lifecycle
  url: lifecycle/backstage-lifecycle.yml
  name: Release and versioning lifecycle
- type: Deprecation
  url: lifecycle/backstage-lifecycle.yml
  name: Backstage deprecation policy
- type: OAuthScopes
  url: scopes/backstage-scopes.yml
  name: OAuth scopes for the MCP Actions endpoint
- type: VulnerabilityDisclosure
  url: security/backstage-vulnerability-disclosure.yml
  name: Vulnerability disclosure program
- type: Security
  url: security/backstage-vulnerability-disclosure.yml
  name: Backstage security policy
- type: Sandbox
  url: sandbox/backstage-sandbox.yml
  name: Public demo instance and local sandbox
- type: Conventions
  url: conventions/backstage-conventions.yml
  name: API conventions, dry-run and reversibility
- type: ChangeLog
  url: changelog/backstage-changelog.yml
  name: Backstage changelog artifact
- type: CLI
  url: cli/backstage-cli.yml
  name: Backstage CLI
- type: Components
  url: components/backstage-components.yml
  name: Backstage UI component families
- type: DataModel
  url: data-model/backstage-data-model.yml
  name: Software Catalog entity graph
- type: Webhooks
  url: asyncapi/backstage-webhooks.yml
  name: Events plugin HTTP webhook ingress
- type: Roadmap
  url: https://backstage.io/docs/overview/roadmap/
  name: Backstage Roadmap
- type: APIReference
  url: https://backstage.io/docs/features/software-catalog/software-catalog-api/
  name: Software Catalog API reference
- type: Support
  url: https://backstage.io/docs/overview/support
  name: Backstage Support
- type: DeveloperPortal
  url: https://backstage.io/docs/
  name: Backstage developer documentation portal
- type: AgenticAccess
  url: agentic-access/backstage-agentic-access.yml
- type: DomainSecurity
  url: security/backstage-domain-security.yml
- type: Authentication
  url: authentication/backstage-authentication.yml
- url: https://backstage.io/
  name: Backstage Website
  type: Website
- url: https://backstage.io/docs/
  name: Backstage Documentation
  type: Documentation
- url: https://backstage.io/docs/getting-started/
  name: Backstage Getting Started
  type: GettingStarted
- url: https://backstage.io/blog/
  name: Backstage Blog
  type: Blog
- url: https://github.com/backstage
  name: Backstage GitHub Organization
  type: GitHubOrganization
- url: https://github.com/backstage/backstage
  name: Backstage GitHub Repository
  type: GitHubRepository
- url: https://github.com/backstage/backstage/releases
  name: Backstage Releases
  type: ChangeLog
- url: https://discord.gg/backstage-687207715902193673
  name: Backstage Discord Community
  type: Community
- url: https://backstage.io/plugins/
  name: Backstage Plugin Directory
  type: Developer Tools
- type: JSONSchema
  url: json-schema/backstage-entity-schema.json
  name: Backstage Entity JSON Schema
- type: JSONLD
  url: json-ld/backstage-context.jsonld
  name: Backstage JSON-LD Context
- type: SpectralRules
  url: rules/backstage-spectral-rules.yml
- type: Vocabulary
  url: vocabulary/backstage-vocabulary.yaml
- name: Features
  type: Features
  data:
  - name: Software Catalog
    description: Central inventory of all software components, APIs, resources, systems, domains, groups, and users.
  - name: Software Templates (Scaffolder)
    description: Bootstrap new projects, services, and components from customizable templates.
  - name: TechDocs
    description: Render and serve MkDocs-based technical documentation alongside catalog entities.
  - name: Plugin Ecosystem
    description: Extensible plugin architecture with 100+ open-source plugins for CI/CD, monitoring, cloud, and more.
  - name: Search
    description: Full-text search across catalog entities, TechDocs, and any other indexed content.
  - name: Permissions Framework
    description: Policy-based authorization with conditional rules for resource-level access control.
  - name: Entity Relations
    description: Model ownership, dependencies, and API consumption relationships between services.
- name: UseCases
  type: UseCases
  data:
  - name: Internal Developer Portal
    description: Build a unified portal for developers to discover services, read docs, and scaffold projects.
  - name: Service Catalog
    description: Maintain a complete, up-to-date inventory of all microservices, APIs, and infrastructure.
  - name: Developer Onboarding
    description: Accelerate new developer onboarding with self-service project scaffolding and documentation.
  - name: API Governance
    description: Track all internal and external APIs, their owners, and documentation in one place.
- name: Integrations
  type: Integrations
  data:
  - name: GitHub
    description: Catalog ingestion from GitHub repos, GitHub Actions integration for CI/CD visibility.
  - name: PagerDuty
    description: Show on-call information and incident status on catalog entity pages.
  - name: Kubernetes
    description: Display Kubernetes workload status for catalog entities.
  - name: Prometheus
    description: Show metrics and alerts for services directly in the catalog.
  - name: Snyk
    description: Display security vulnerability information for catalog entities.
  - name: Datadog
    description: Surface monitoring dashboards within Backstage.
created: '2024-12-01'
modified: '2026-09-04'
position: Consuming
description: 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.
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
specificationVersion: '0.23'
x-enrichment:
  date: '2026-09-04'
  status: enriched
  artifacts_added: 43
  pass: local-v3

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