SilverStripe website screenshot

SilverStripe

SilverStripe is an open-source PHP content management system and framework with a GraphQL and REST API for managing pages, assets, versioning, and custom data objects. It powers 50,000+ live sites and provides a flexible, extensible platform for developers to build content-driven web applications with enterprise-level security and an intuitive editing experience.

SilverStripe publishes 2 APIs on the APIs.io network. Tagged areas include CMS, Content Management, GraphQL, REST API, and PHP.

SilverStripe’s developer surface includes documentation, API reference, engineering blog, pricing, changelog, and 9 more developer resources.

🌐 Visit website 📡 Source on GitHub
39.1/100 thin ▲ 9.6 Agent 19/100 agent aware Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessFreemium
2 APIs
CMSContent ManagementGraphQLREST APIPHPOpen SourceFrameworkPagesAssetsVersioning

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 39.1/100 · thin
Contract Quality 12.0 / 25
Developer Ergonomics 3.5 / 20
Commercial Clarity 7.9 / 20
Operational Transparency 8.9 / 13
Governance 0.0 / 12
Discoverability 6.9 / 10
Agent readiness — 19/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract 0 / 10
MCP Server 0 / 12
Machine-Readable Auth 0 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/silverstripe: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 2

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

SilverStripe GraphQL API

SilverStripe's GraphQL API provides a content API layer for getting data in and out of the CMS. It supports schema generation from DataObject models, custom types and queries, a...

SilverStripe REST API

SilverStripe provides REST API capabilities via the restfulserver module, allowing CRUD operations on DataObject models over HTTP. Authentication supports API token headers (x-a...

GraphQL 1

GraphQL schemas published by this provider.

SilverStripe GraphQL API

SilverStripe CMS provides a GraphQL API via the optional `silverstripe/graphql` module. The schema is code-generated at build time from DataObject models configured in YAML. Typ...

GRAPHQL

Pricing Plans 1

Published pricing tiers and plan structures.

Silverstripe Plans Pricing

2 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Silverstripe Rate Limits

3 limits

RATE LIMITS

FinOps 1

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

Silverstripe Finops

FINOPS

Security Posture 1

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

Silverstripe Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Resources

Documentation 2

Reference material describing how the API behaves

Documentation
Documentation
 APIReference
APIReference

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrg
GitHubOrg

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity

Operate 3

Status, limits, changes, and where to get help

StatusPage
StatusPage
 ChangeLog
ChangeLog
 RateLimits
RateLimits

Commercial 3

Pricing, plans, and the legal terms of use

Pricing
Pricing
 Plans
Plans
 FinOps
FinOps

Company 3

The organization behind the API

Website
Website
 LinkedIn
LinkedIn
 Blog
Blog

Other 1

Properties that don't map to a standard resource type

X
X

Source (apis.yml)

apis.yml Raw ↑ 
aid: silverstripe
name: SilverStripe
description: 'SilverStripe is an open-source PHP content management system and framework with a GraphQL and REST API for managing
  pages, assets, versioning, and custom data objects. It powers 50,000+ live sites and provides a flexible, extensible platform
  for developers to build content-driven web applications with enterprise-level security and an intuitive editing experience.

  '
accessModel:
  pricing: freemium
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Freemium
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/silverstripe.png
url: https://raw.githubusercontent.com/api-evangelist/silverstripe/refs/heads/main/apis.yml
created: '2026-06-13'
modified: '2026-06-13'
specificationVersion: '0.19'
type: Index
tags:
- CMS
- Content Management
- GraphQL
- REST API
- PHP
- Open Source
- Framework
- Pages
- Assets
- Versioning
apis:
- aid: silverstripe:graphql-api
  name: SilverStripe GraphQL API
  description: 'SilverStripe''s GraphQL API provides a content API layer for getting data in and out of the CMS. It supports
    schema generation from DataObject models, custom types and queries, and extensible schemas. Authentication is handled
    via CMS Member sessions or HTTP Basic Auth. Available as an optional module in CMS 6.

    '
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://docs.silverstripe.org/en/6/optional_features/graphql/
  baseURL: https://www.example.com/graphql
  tags:
  - GraphQL
  - CMS
  - Content
  - Schema
  properties:
  - type: Documentation
    url: https://docs.silverstripe.org/en/6/optional_features/graphql/
  - type: Authentication
    url: https://docs.silverstripe.org/en/5/developer_guides/graphql/security_and_best_practices/authentication/
  - url: graphql/silverstripe-graphql.md
    type: GraphQL
- aid: silverstripe:rest-api
  name: SilverStripe REST API
  description: 'SilverStripe provides REST API capabilities via the restfulserver module, allowing CRUD operations on DataObject
    models over HTTP. Authentication supports API token headers (x-api-token) and session-based auth. Default result pagination
    limits apply (30 default, 100 max per request).

    '
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://github.com/silverstripe/silverstripe-restfulserver
  baseURL: https://www.example.com/api/v1
  tags:
  - REST
  - CMS
  - CRUD
  - DataObject
  properties:
  - type: Documentation
    url: https://github.com/silverstripe/silverstripe-restfulserver
  - type: GitHubRepository
    url: https://github.com/silverstripe/silverstripe-restfulserver
common:
- type: DomainSecurity
  url: security/silverstripe-domain-security.yml
- type: Website
  url: https://www.silverstripe.org/
- type: Documentation
  url: https://docs.silverstripe.org/
- type: APIReference
  url: https://api.silverstripe.org/
- type: GitHubOrg
  url: https://github.com/silverstripe
- type: LinkedIn
  url: https://www.linkedin.com/company/silverstripe/
- type: Blog
  url: https://www.silverstripe.org/blog/
- type: Pricing
  url: https://www.silverstripe.org/software/
- type: StatusPage
  url: https://github.com/silverstripe/platform-status-page
- type: X
  url: https://twitter.com/silverstripe
- type: ChangeLog
  url: https://docs.silverstripe.org/en/6/changelogs/
- type: Plans
  url: plans/silverstripe-plans-pricing.yml
- type: RateLimits
  url: rate-limits/silverstripe-rate-limits.yml
- type: FinOps
  url: finops/silverstripe-finops.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com