Dog CEO

Free REST API providing random dog images organized by breed and sub-breed from 120+ breeds. Backed by the Stanford Dogs Dataset and community-contributed photos, Dog CEO is widely used for learning HTTP concepts, API integration practice, and building dog-related applications. No authentication or API key is required. All endpoints return JSON with image URLs served via Vultr CDN. Open-source under the MIT license and community-funded via voluntary donations.

Dog CEO publishes 4 APIs on the APIs.io network, including Breed API, Breeds API, Random API, and 1 more. Tagged areas include Dogs, Image, Animals, Open-Source, and Free API.

The Dog CEO catalog on APIs.io includes 1 JSON-LD context and 1 Spectral governance ruleset.

Dog CEO’s developer surface includes documentation, engineering blog, pricing, and 11 more developer resources.

🌐 Visit website 📡 Source on GitHub

35.1/100 thin ▬ flat Agent 33/100 agent ready Full breakdown ↓
scored 2026-09-08 · rubric v0.20.0

AccessFreeOpen⚡ Free to try

1 APIs

Dogs Image Animals Open-Source Free API Machine-Learning Education

Kin Score

Kin Score How this is scored →
scored 2026-09-08 · rubric v0.20.0

Composite quality — 35.1/100 · thin

Contract Quality 12.3 / 21

Developer Ergonomics 2.0 / 17

Access Clarity 6.7 / 17

Operational Transparency 2.9 / 11

Contract Governance 1.0 / 10

Discoverability 5.8 / 9

Regulatory Posture 3.1 / 15

Agent readiness — 33/100 · agent ready

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 6 / 6

MCP Server 0 / 12

Machine-Readable Auth 0 / 10

Idempotency 9 / 9

Stable Error Semantics 8 / 8

Request/Response Examples 7 / 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 4 / 4

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Well-Known Document 0 / 5

Regulatory Posture applies to this provider. Its tags matched the Education & Research 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 does not apply to this provider. The published contracts declare no write operations, and a read-only API cannot create-or-update. The facet is excluded from this provider's denominator entirely — not scored zero. A reference or data API is not deficient for being unable to upsert.

The six quality facets above are damped to 85 points between them, because the conditional facet above carries the other 15. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 85% 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/dog-ceo: 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 →

APIs 4

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

Dog CEO Breed API

Operations for fetching images from a specific breed

Dog CEO Breeds API

Operations for listing all available dog breeds

Dog CEO Random API

Operations for fetching random dog images across all breeds

Dog CEO Sub-Breed API

Operations for fetching images from a specific sub-breed

Open Collections 5

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

API Collection

OPEN COLLECTION

Dog CEO Breed API

OPEN COLLECTION

Dog CEO Breed Breeds API

OPEN COLLECTION

Dog CEO Breed Random API

OPEN COLLECTION

Dog CEO Breed Sub-Breed API

OPEN COLLECTION

Pricing Plans 1

Published pricing tiers and plan structures.

Dog Ceo Plans Pricing

1 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Dog Ceo Rate Limits

2 limits

RATE LIMITS

FinOps 1

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

Dog Ceo Finops

FINOPS

Semantic Vocabularies 1

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

Dog Ceo Context

5 classes · 5 properties

JSON-LD

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs.

Dog CEO API Rules

4 rules · 3 warnings 1 info

SPECTRAL

JSON Schema 3

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

Dog CEO API Breeds List Response

2 properties

JSON SCHEMA

Dog CEO API Image Response

2 properties

JSON SCHEMA

Dog CEO API Multiple Images Response

2 properties

JSON SCHEMA

Examples 5

Example request and response payloads for these APIs.

Breed Images

2 fields

EXAMPLE

Breeds List All

2 fields

EXAMPLE

Random Image

2 fields

EXAMPLE

Random Images Multiple

2 fields

EXAMPLE

Sub Breeds List

2 fields

EXAMPLE

Security Posture 1

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

Dog Ceo Domain Security

TLSv1.3

SECURITY

Agentic Access 1

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

Dog Ceo Agentic Access

10 operations

10 operations · 0 acting

AGENTIC

Resources

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

Build 3

SDKs, sample code, and the tooling you integrate with

GitHubOrg

GitHubOrg

GitHubRepo

GitHubRepo

GitHubRepo

GitHubRepo

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Operate 2

Status, limits, changes, and where to get help

IssueTracker

IssueTracker

RateLimits

RateLimits

Commercial 3

Pricing, plans, and the legal terms of use

Pricing

Pricing

Plans

Plans

FinOps

FinOps

Company 2

The organization behind the API

Website

Website

Blog

Blog

Other 1

Properties that don't map to a standard resource type

Source (apis.yml)

aid: dog-ceo
name: Dog CEO
description: 'Free REST API providing random dog images organized by breed and sub-breed from 120+ breeds. Backed by the Stanford
  Dogs Dataset and community-contributed photos, Dog CEO is widely used for learning HTTP concepts, API integration practice,
  and building dog-related applications. No authentication or API key is required. All endpoints return JSON with image URLs
  served via Vultr CDN. Open-source under the MIT license and community-funded via voluntary donations.

  '
deliveryModel:
  model: unknown
  open_source: unknown
  commercial: true
  callable_host: true
  label: Delivery model not determined — needs a product licence on record
  confidence: low
  source:
  - openapi
  - pricing
  - repository-unlicensed
  generated: '2026-08-28'
  method: derived
accessModel:
  pricing: free
  onboarding: open
  trial: false
  try_now: true
  public: true
  label: Free · Open access
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/dog-ceo.png
url: https://raw.githubusercontent.com/api-evangelist/dog-ceo/refs/heads/main/apis.yml
created: '2026-06-13'
modified: '2026-06-13'
specificationVersion: '0.23'
type: Index
tags:
- Dogs
- Image
- Animals
- Open-Source
- Free API
- Machine-Learning
- Education
tags_raw:
- Dogs
- Images
- Animals
- Open Source
- Free API
- Machine Learning
- Education
apis:
- aid: dog-ceo:dog-ceo-breed-api
  name: Dog CEO Breed API
  description: Operations for fetching images from a specific breed
  humanURL: https://dog.ceo/dog-api/
  baseURL: https://dog.ceo/api
  tags:
  - Breed
  properties:
  - type: OpenAPI
    url: openapi/dog-ceo-breed-api-openapi.yml
  - type: Documentation
    url: https://dog.ceo/dog-api/documentation/
- aid: dog-ceo:dog-ceo-breeds-api
  name: Dog CEO Breeds API
  description: Operations for listing all available dog breeds
  humanURL: https://dog.ceo/dog-api/
  baseURL: https://dog.ceo/api
  tags:
  - Breeds
  properties:
  - type: OpenAPI
    url: openapi/dog-ceo-breeds-api-openapi.yml
  - type: Documentation
    url: https://dog.ceo/dog-api/documentation/
- aid: dog-ceo:dog-ceo-random-api
  name: Dog CEO Random API
  description: Operations for fetching random dog images across all breeds
  humanURL: https://dog.ceo/dog-api/
  baseURL: https://dog.ceo/api
  tags:
  - Random
  properties:
  - type: OpenAPI
    url: openapi/dog-ceo-random-api-openapi.yml
  - type: Documentation
    url: https://dog.ceo/dog-api/documentation/
- aid: dog-ceo:dog-ceo-sub-breed-api
  name: Dog CEO Sub-Breed API
  description: Operations for fetching images from a specific sub-breed
  humanURL: https://dog.ceo/dog-api/
  baseURL: https://dog.ceo/api
  tags:
  - Sub-Breed
  properties:
  - type: OpenAPI
    url: openapi/dog-ceo-sub-breed-api-openapi.yml
  - type: Documentation
    url: https://dog.ceo/dog-api/documentation/
common:
- type: IssueTracker
  url: https://github.com/ElliottLandsborough/dog-ceo-api/issues
- type: AgenticAccess
  url: agentic-access/dog-ceo-agentic-access.yml
- type: DomainSecurity
  url: security/dog-ceo-domain-security.yml
- type: Website
  url: https://dog.ceo/dog-api/
- type: Documentation
  url: https://dog.ceo/dog-api/documentation/
- type: GitHubOrg
  url: https://github.com/ElliottLandsborough
- type: GitHubRepo
  url: https://github.com/ElliottLandsborough/dog-ceo-api
- type: GitHubRepo
  url: https://github.com/jigsawpieces/dog-api-images
- type: Blog
  url: https://dog.ceo/dog-api/about
- type: Pricing
  url: https://dog.ceo/dog-api/about
- type: X
  url: https://x.com/dog__CEO
- type: Plans
  url: plans/dog-ceo-plans-pricing.yml
- type: RateLimits
  url: rate-limits/dog-ceo-rate-limits.yml
- type: FinOps
  url: finops/dog-ceo-finops.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

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