Dog API website screenshot

Dog API

The internet's biggest collection of open-source dog pictures. Fetching over 20,000 dog images accessible by more than 120 breeds via a free, no-auth REST API returning JSON. Optional alt-text variants pair every image URL with descriptive text for accessibility.

Dog API publishes 3 APIs on the APIs.io network: Breeds API, Images API, and Info API. Tagged areas include Dogs, Images, Open Data, and Open Source.

The Dog API catalog on APIs.io includes 2 JSON-LD contexts and 2 Spectral governance rulesets.

Dog API’s developer surface includes documentation, GitHub presence, tooling, code examples, and 8 more developer resources.

38.7/100 thin ▼ -6.5 Agent 35/100 agent ready Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessFreemium
3 APIs
DogsImagesOpen DataOpen Source

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 38.7/100 · thin
Contract Quality 14.1 / 25
Developer Ergonomics 1.7 / 20
Commercial Clarity 7.9 / 20
Operational Transparency 4.8 / 13
Governance 7.0 / 12
Discoverability 6.5 / 10
Agent readiness — 35/100 · agent ready
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
MCP Server 0 / 12
Machine-Readable Auth 0 / 10
Idempotency 0 / 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 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/dog-api: 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 3

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

Dog API Breeds API

List and look up master breeds and their sub-breeds.

Dog API Images API

Fetch random or breed-specific dog images (with optional alt text).

Dog API Info API

Look up free-text breed information where available.

Open Collections 1

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

Dog API

OPEN COLLECTION

Pricing Plans 1

Published pricing tiers and plan structures.

Dog Api Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Dog Api Rate Limits

5 limits

RATE LIMITS

FinOps 1

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

Semantic Vocabularies 2

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

Dog Api Context

9 classes · 4 properties

JSON-LD

Dog Api Context

10 classes · 0 properties

JSON-LD

Spectral Rules 2

Spectral governance rulesets for linting and validating these APIs.

Dog API API Rules

5 rules · 3 warnings 2 info

SPECTRAL

Dog API API Rules

34 rules · 14 errors 19 warnings 1 info

SPECTRAL

JSON Schema 8

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

AltImageListResponse

2 properties

JSON SCHEMA

AltImage

2 properties

JSON SCHEMA

BreedListResponse

2 properties

JSON SCHEMA

ErrorResponse

3 properties

JSON SCHEMA

ImageListResponse

2 properties

JSON SCHEMA

ImageResponse

2 properties

JSON SCHEMA

StringListResponse

2 properties

JSON SCHEMA

StringResponse

2 properties

JSON SCHEMA

Scroll for all 8

JSON Structure 8

JSON Structure definitions describing this provider's data shapes.

Dog Api Alt Image List Response Structure

2 properties

JSON STRUCTURE

Dog Api Alt Image Structure

2 properties

JSON STRUCTURE

Dog Api Breed List Response Structure

2 properties

JSON STRUCTURE

Dog Api Error Response Structure

3 properties

JSON STRUCTURE

Dog Api Image List Response Structure

2 properties

JSON STRUCTURE

Dog Api Image Response Structure

2 properties

JSON STRUCTURE

Dog Api String List Response Structure

2 properties

JSON STRUCTURE

Dog Api String Response Structure

2 properties

JSON STRUCTURE

Scroll for all 8

Examples 11

Example request and response payloads for these APIs.

Breed Images

2 fields

EXAMPLE

Dog Api Alt Image Example

2 fields

EXAMPLE

List All Breeds

2 fields

EXAMPLE

Random Image

2 fields

EXAMPLE

Scroll for all 11

Security Posture 1

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

Dog Api Domain Security

TLSv1.3

SECURITY

Agentic Access 1

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

Dog Api Agentic Access

24 operations

24 operations · 0 acting

AGENTIC

Resources

Documentation 1

Reference material describing how the API behaves

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

Build 7

SDKs, sample code, and the tooling you integrate with

Scroll for all 7

Access & Security 1

Authentication, authorization, and security posture

Commercial 1

Pricing, plans, and the legal terms of use

Company 1

The organization behind the API

Source (apis.yml)

apis.yml Raw ↑
aid: dog-api
name: Dog API
description: The internet's biggest collection of open-source dog pictures. Fetching over 20,000 dog images accessible by
  more than 120 breeds via a free, no-auth REST API returning JSON. Optional alt-text variants pair every image URL with descriptive
  text for accessibility.
kind: contract
x-type: opensource
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/dog-api.png
tags:
- Dogs
- Images
- Open Data
- Open Source
url: https://raw.githubusercontent.com/api-evangelist/dog-api/refs/heads/main/apis.yml
created: '2024-11-14'
modified: '2026-05-30'
specificationVersion: '0.19'
access: 3rd-Party
position: Consuming
apis:
- aid: dog-api:dog-api-breeds-api
  name: Dog API Breeds API
  description: List and look up master breeds and their sub-breeds.
  humanURL: https://dog.ceo/dog-api/
  baseURL: https://dog.ceo/api
  tags:
  - Breeds
  properties:
  - type: OpenAPI
    url: openapi/dog-api-breeds-api-openapi.yml
  - type: Documentation
    url: https://dog.ceo/dog-api/documentation
  - type: GitHub
    url: https://github.com/ElliottLandsborough/dog-ceo-api
  - type: SourceImages
    url: https://github.com/jigsawpieces/dog-api-images
  - type: Rules
    url: https://raw.githubusercontent.com/api-evangelist/dog-api/refs/heads/main/rules/dog-api-rules.yml
  - type: JSONSchema
    url: https://raw.githubusercontent.com/api-evangelist/dog-api/refs/heads/main/json-schema/dog-api-breed-list-response-schema.json
  - type: JSONStructure
    url: https://raw.githubusercontent.com/api-evangelist/dog-api/refs/heads/main/json-structure/dog-api-breed-list-response-structure.json
  - type: JSONLD
    url: https://raw.githubusercontent.com/api-evangelist/dog-api/refs/heads/main/json-ld/dog-api.jsonld
  - type: JSONLDContext
    url: https://raw.githubusercontent.com/api-evangelist/dog-api/refs/heads/main/json-ld/dog-api-context.jsonld
  - type: Vocabulary
    url: https://raw.githubusercontent.com/api-evangelist/dog-api/refs/heads/main/vocabulary/dog-api.yml
  - type: Plans
    url: https://raw.githubusercontent.com/api-evangelist/dog-api/refs/heads/main/plans/dog-api-plans-pricing.yml
  - type: RateLimits
    url: https://raw.githubusercontent.com/api-evangelist/dog-api/refs/heads/main/rate-limits/dog-api-rate-limits.yml
  - type: FinOps
    url: https://raw.githubusercontent.com/api-evangelist/dog-api/refs/heads/main/finops/dog-api-finops.yml
- aid: dog-api:dog-api-images-api
  name: Dog API Images API
  description: Fetch random or breed-specific dog images (with optional alt text).
  humanURL: https://dog.ceo/dog-api/
  baseURL: https://dog.ceo/api
  tags:
  - Images
  properties:
  - type: OpenAPI
    url: openapi/dog-api-images-api-openapi.yml
  - type: Documentation
    url: https://dog.ceo/dog-api/documentation
  - type: GitHub
    url: https://github.com/ElliottLandsborough/dog-ceo-api
  - type: SourceImages
    url: https://github.com/jigsawpieces/dog-api-images
  - type: Rules
    url: https://raw.githubusercontent.com/api-evangelist/dog-api/refs/heads/main/rules/dog-api-rules.yml
  - type: JSONSchema
    url: https://raw.githubusercontent.com/api-evangelist/dog-api/refs/heads/main/json-schema/dog-api-breed-list-response-schema.json
  - type: JSONStructure
    url: https://raw.githubusercontent.com/api-evangelist/dog-api/refs/heads/main/json-structure/dog-api-breed-list-response-structure.json
  - type: JSONLD
    url: https://raw.githubusercontent.com/api-evangelist/dog-api/refs/heads/main/json-ld/dog-api.jsonld
  - type: JSONLDContext
    url: https://raw.githubusercontent.com/api-evangelist/dog-api/refs/heads/main/json-ld/dog-api-context.jsonld
  - type: Vocabulary
    url: https://raw.githubusercontent.com/api-evangelist/dog-api/refs/heads/main/vocabulary/dog-api.yml
  - type: Plans
    url: https://raw.githubusercontent.com/api-evangelist/dog-api/refs/heads/main/plans/dog-api-plans-pricing.yml
  - type: RateLimits
    url: https://raw.githubusercontent.com/api-evangelist/dog-api/refs/heads/main/rate-limits/dog-api-rate-limits.yml
  - type: FinOps
    url: https://raw.githubusercontent.com/api-evangelist/dog-api/refs/heads/main/finops/dog-api-finops.yml
- aid: dog-api:dog-api-info-api
  name: Dog API Info API
  description: Look up free-text breed information where available.
  humanURL: https://dog.ceo/dog-api/
  baseURL: https://dog.ceo/api
  tags:
  - Info
  properties:
  - type: OpenAPI
    url: openapi/dog-api-info-api-openapi.yml
  - type: Documentation
    url: https://dog.ceo/dog-api/documentation
  - type: GitHub
    url: https://github.com/ElliottLandsborough/dog-ceo-api
  - type: SourceImages
    url: https://github.com/jigsawpieces/dog-api-images
  - type: Rules
    url: https://raw.githubusercontent.com/api-evangelist/dog-api/refs/heads/main/rules/dog-api-rules.yml
  - type: JSONSchema
    url: https://raw.githubusercontent.com/api-evangelist/dog-api/refs/heads/main/json-schema/dog-api-breed-list-response-schema.json
  - type: JSONStructure
    url: https://raw.githubusercontent.com/api-evangelist/dog-api/refs/heads/main/json-structure/dog-api-breed-list-response-structure.json
  - type: JSONLD
    url: https://raw.githubusercontent.com/api-evangelist/dog-api/refs/heads/main/json-ld/dog-api.jsonld
  - type: JSONLDContext
    url: https://raw.githubusercontent.com/api-evangelist/dog-api/refs/heads/main/json-ld/dog-api-context.jsonld
  - type: Vocabulary
    url: https://raw.githubusercontent.com/api-evangelist/dog-api/refs/heads/main/vocabulary/dog-api.yml
  - type: Plans
    url: https://raw.githubusercontent.com/api-evangelist/dog-api/refs/heads/main/plans/dog-api-plans-pricing.yml
  - type: RateLimits
    url: https://raw.githubusercontent.com/api-evangelist/dog-api/refs/heads/main/rate-limits/dog-api-rate-limits.yml
  - type: FinOps
    url: https://raw.githubusercontent.com/api-evangelist/dog-api/refs/heads/main/finops/dog-api-finops.yml
common:
- type: AgenticAccess
  url: agentic-access/dog-api-agentic-access.yml
- type: DomainSecurity
  url: security/dog-api-domain-security.yml
- type: Website
  url: https://dog.ceo
- type: Documentation
  url: https://dog.ceo/dog-api/documentation
- type: GitHub
  url: https://github.com/ElliottLandsborough/dog-ceo-api
- type: License
  url: https://opensource.org/licenses/MIT
- type: Tools
  title: MCP Server (Community)
  url: https://github.com/JithunMethusahan/dog-api-mcp-community
- type: CodeExamples
  title: p5.js Example
  url: https://editor.p5js.org/codingtrain/sketches/lQxT7PTKC
- type: CodeExamples
  title: Vanilla JS Example
  url: https://codepen.io/elliottlan/pen/MNEWNx
- type: CodeExamples
  title: jQuery Example
  url: https://codepen.io/elliottlan/pen/KOXKLG
- type: CodeExamples
  title: Flutter Example
  url: https://github.com/LIVELUCKY/dogs
- type: CodeExamples
  title: Node.js Example
  url: https://github.com/mrbrunelli/dog-time-decorator
features:
- name: No Authentication
  description: Fully open API; no key, token, or login required to consume any endpoint.
- name: 120+ Breeds, 20,000+ Images
  description: Broad coverage of master breeds and sub-breeds curated from the jigsawpieces/dog-api-images dataset.
- name: Alt-Text Variant
  description: Every image-returning endpoint has an `/alt` sibling that pairs the URL with descriptive alt text for accessibility.
- name: Random Sampling
  description: Random selection is available across breeds, sub-breeds, and images, with optional counts up to the upstream
    limit.
- name: Open-Source Implementation
  description: PHP Symfony source code is MIT-licensed and self-hostable; cache and image storage are pluggable.
- name: Simple Envelope
  description: Every response uses a uniform `{message, status}` JSON envelope, with `code` added on error responses.
useCases:
- name: Pet UI Components
  description: Drop random dog imagery into web or mobile components, demos, and onboarding flows.
- name: Accessibility Demos
  description: Showcase or test alt-text rendering and screen-reader behavior with the `/alt` endpoint family.
- name: API Workshops & Tutorials
  description: Use as a zero-friction, no-auth example API when teaching REST consumption, MCP, or API mocking.
- name: ML Vision Datasets
  description: Pull breed-tagged dog photography as a permissive public dataset for vision model training and evaluation.
- name: Mock & Contract Testing
  description: A stable, public envelope makes the Dog API a useful upstream for Spectral, Microcks, and contract-testing
    exercises.
integrations:
- name: Microcks
  description: OpenAPI ships with `x-microcks-operation` extensions and named default examples for direct mock import.
- name: Spectral
  description: A repo-local Spectral ruleset enforces Dog API path, summary, parameter, and schema conventions.
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com