Craft CMS website screenshot

Craft CMS

Craft CMS is a flexible, self-hosted PHP content management system built on Yii 2, designed for creating bespoke digital experiences. It features an auto-generated GraphQL API for headless implementations, enabling queries against entries, assets, categories, and custom fields via token-based authentication. The Element API plugin extends Craft with configurable JSON REST endpoints for any element type, using URL pattern routing and the Fractal transformation library. Craft supports multi-site architecture, unlimited content types, and is deployable on-premise or via Craft Cloud, the official managed hosting platform.

Craft CMS publishes 2 APIs on the APIs.io network. Tagged areas include CMS, Content Management, GraphQL, REST, and Headless.

The Craft CMS catalog on APIs.io includes 1 JSON-LD context.

Craft CMS’s developer surface includes documentation, engineering blog, pricing, and 13 more developer resources.

🌐 Visit website 📡 Source on GitHub
37.5/100 thin ▲ 6.8 Agent 19/100 agent aware Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessPaid
2 APIs
CMSContent ManagementGraphQLRESTHeadlessPHP

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 37.5/100 · thin
Contract Quality 13.0 / 25
Developer Ergonomics 2.2 / 20
Commercial Clarity 10.0 / 20
Operational Transparency 5.5 / 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/craft-cms: 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.

Craft CMS GraphQL API

Auto-generated GraphQL API providing schema-based access to Craft CMS content including entries, assets, categories, tags, and custom fields. Access is controlled via bearer tok...

Craft CMS Element API

Official Craft CMS plugin that creates configurable JSON REST endpoints for any element type (entries, assets, categories, users). Endpoints are defined via a PHP configuration ...

GraphQL 1

GraphQL schemas published by this provider.

Craft CMS GraphQL API

Craft CMS includes a built-in, auto-generated GraphQL API available since version 3.3. The schema exposes all content elements — entries, assets, categories, tags, global sets, ...

GRAPHQL

Pricing Plans 1

Published pricing tiers and plan structures.

Craft Cms Plans Pricing

4 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Craft Cms Rate Limits

2 limits

RATE LIMITS

FinOps 1

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

Craft Cms Finops

FINOPS

Semantic Vocabularies 1

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

Craft Cms Context

24 classes · 0 properties

JSON-LD

Security Posture 2

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

Craft Cms Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Craft Cms Vulnerability Disclosure

security.txt · contact published

SECURITY

Resources

Documentation 1

Reference material describing how the API behaves

Documentation
Documentation

Design & Contract 1

Pagination, idempotency, versioning, errors, and events

JSONLDContext
JSONLDContext

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization

Access & Security 2

Authentication, authorization, and security posture

VulnerabilityDisclosure
VulnerabilityDisclosure
 DomainSecurity
DomainSecurity

Operate 2

Status, limits, changes, and where to get help

StatusPage
StatusPage
 RateLimits
RateLimits

Commercial 3

Pricing, plans, and the legal terms of use

Pricing
Pricing
 Plans
Plans
 FinOps
FinOps

Company 5

The organization behind the API

Website
Website
 LinkedIn
LinkedIn
 Blog
Blog
 BlogFeed
BlogFeed
 Blog
Blog

Other 1

Properties that don't map to a standard resource type

X
X

Source (apis.yml)

apis.yml Raw ↑ 
aid: craft-cms
name: Craft CMS
description: Craft CMS is a flexible, self-hosted PHP content management system built on Yii 2, designed for creating bespoke
  digital experiences. It features an auto-generated GraphQL API for headless implementations, enabling queries against entries,
  assets, categories, and custom fields via token-based authentication. The Element API plugin extends Craft with configurable
  JSON REST endpoints for any element type, using URL pattern routing and the Fractal transformation library. Craft supports
  multi-site architecture, unlimited content types, and is deployable on-premise or via Craft Cloud, the official managed
  hosting platform.
type: Index
accessModel:
  pricing: paid
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Paid
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/craft-cms.png
tags:
- CMS
- Content Management
- GraphQL
- REST
- Headless
- PHP
url: https://raw.githubusercontent.com/api-evangelist/craft-cms/refs/heads/main/apis.yml
created: '2026-06-12'
modified: '2026-06-12'
specificationVersion: '0.19'
apis:
- aid: craft-cms:graphql-api
  name: Craft CMS GraphQL API
  description: Auto-generated GraphQL API providing schema-based access to Craft CMS content including entries, assets, categories,
    tags, and custom fields. Access is controlled via bearer token authentication tied to named schemas configured in the
    control panel, with a public schema available for unauthenticated access when enabled.
  humanURL: https://craftcms.com/docs/5.x/development/graphql.html
  baseURL: https://example.craftcms.com/actions/graphql/api
  tags:
  - GraphQL
  - Content
  - Headless
  - CMS
  properties:
  - type: Documentation
    url: https://craftcms.com/docs/5.x/development/graphql.html
  - url: graphql/craft-cms-graphql.md
    type: GraphQL
- aid: craft-cms:element-api
  name: Craft CMS Element API
  description: Official Craft CMS plugin that creates configurable JSON REST endpoints for any element type (entries, assets,
    categories, users). Endpoints are defined via a PHP configuration file mapping URL patterns to element queries with optional
    data transformation, pagination, and caching. Supports JSON Feed V1.1 and JSON:API serialization formats.
  humanURL: https://github.com/craftcms/element-api
  baseURL: https://example.craftcms.com
  tags:
  - REST
  - JSON
  - Elements
  - Plugin
  - CMS
  properties:
  - type: Documentation
    url: https://github.com/craftcms/element-api
common:
- type: VulnerabilityDisclosure
  url: security/craft-cms-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/craft-cms-domain-security.yml
- type: Website
  url: https://craftcms.com
- type: Documentation
  url: https://craftcms.com/docs/5.x/
- type: GitHubOrganization
  url: https://github.com/craftcms
- type: LinkedIn
  url: https://www.linkedin.com/company/craftcms
- type: X
  url: https://twitter.com/craftcms
- type: Blog
  url: https://craftcms.com/blog
- type: BlogFeed
  url: https://craftcms.com/blog.rss
- type: Pricing
  url: https://craftcms.com/pricing
- type: StatusPage
  url: https://status.craftcms.com/
- type: Plans
  url: plans/craft-cms-plans-pricing.yml
- type: RateLimits
  url: rate-limits/craft-cms-rate-limits.yml
- type: FinOps
  url: finops/craft-cms-finops.yml
- type: Blog
  url: blogs/blogs.json
- type: JSONLDContext
  url: json-ld/craft-cms-context.jsonld
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com