API Evangelist

The index of everything available via the API Evangelist developer portal at developer.apievangelist.com — sixteen years of API research served as one REST API, an MCP server for agents, and the static JSON feeds behind each network collection.

API Evangelist publishes 2 APIs on the APIs.io network: Network API and Governance & Discovery API. Tagged areas include APIs, API Evangelist, Developer Portal, API Research, and API Governance.

The API Evangelist catalog on APIs.io includes 1 Spectral governance ruleset.

API Evangelist’s developer surface includes authentication, documentation, engineering blog, API reference, getting-started guide, support, pricing, and 24 more developer resources.

🌐 Visit website 📡 Source on GitHub

64.1/100 strong ▬ flat Agent 53/100 agent ready Full breakdown ↓
scored 2026-08-17 · rubric v0.11.0

20 APIs 2 MCP Servers

APIsAPI EvangelistDeveloper PortalAPI ResearchAPI GovernanceAPI DiscoveryMCPAgentsAPI StandardsAPI Vocabulary

Kin Score

Kin Score How this is scored →
scored 2026-08-17 · rubric v0.11.0

Composite quality — 64.1/100 · strong

Contract Quality 14.5 / 25

Developer Ergonomics 12.5 / 20

Commercial Clarity 15.3 / 20

Operational Transparency 4.8 / 13

Governance 8.7 / 12

Discoverability 8.3 / 10

Agent readiness — 53/100 · agent ready

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

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 0 / 6

Agent Skills 5 / 5

Well-Known Catalog 4 / 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/api-evangelist: 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 20

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

MCP Servers 2

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

Rate Limits 1

Documented rate limits and quota policies.

AGENTIC

Resources

Get Started 3

Portal, sign-up, and the first successful call

DeveloperPortal

DeveloperPortal

GettingStarted

GettingStarted

SignUp

SignUp

Documentation 2

Reference material describing how the API behaves

Documentation

Documentation

APIReference

APIReference

Agent Surfaces 7

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

MCPServer

MCPServerCard

WellKnown

LLMsTxt

MCPServer

AgentSkill

Scroll for all 7

Design & Contract 7

Pagination, idempotency, versioning, errors, and events

Conventions

ErrorCatalog

Lifecycle

Conformance

DataModel

SpectralRules

Vocabulary

Scroll for all 7

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

GitHubOrganization

Access & Security 2

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Authentication

Authentication

Operate 3

Status, limits, changes, and where to get help

IssueTracker

IssueTracker

Support

Support

RateLimits

RateLimits

Commercial 4

Pricing, plans, and the legal terms of use

Pricing

TermsOfService

PrivacyPolicy

Plans

Company 1

The organization behind the API

Blog

Blog

Other 1

Properties that don't map to a standard resource type

APICatalog

APICatalog

Source (apis.yml)

aid: api-evangelist
specificationVersion: '0.21'
type: Index
name: API Evangelist
description: The index of everything available via the API Evangelist developer portal at developer.apievangelist.com — sixteen
  years of API research served as one REST API, an MCP server for agents, and the static JSON feeds behind each network collection.
image: https://kinlane-images.s3.amazonaws.com/shared/api-evangelist-logos/api-evangelist-butterfly-vertical.png
tags:
- APIs
- API Evangelist
- Developer Portal
- API Research
- API Governance
- API Discovery
- MCP
- Agents
- API Standards
- API Vocabulary
created: '2024-10-14'
modified: '2026-08-10'
url: https://raw.githubusercontent.com/api-evangelist/api-evangelist/refs/heads/main/apis.yml
apis:
- aid: api-evangelist-api
  name: API Evangelist Network API
  description: The whole network behind one REST API — unified search, 5,100+ posts, 77 topic areas, 2,400+ governance building
    blocks, conversations, papers, services, vocabulary, and newsletters from a single base URL. Keyless free tier; x-api-key
    raises limits.
  image: https://kinlane-images.s3.amazonaws.com/shared/api-evangelist-logos/api-evangelist-butterfly-vertical.png
  humanURL: https://developer.apievangelist.com
  baseURL: https://api.apievangelist.com/v1
  tags:
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  properties:
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    url: https://developer.apievangelist.com
  - type: OpenAPI
    url: openapi/apievangelist-v1-openapi.yml
  - type: Overlay
    url: overlays/api-evangelist-v1-overlay.yaml
  - type: APIReference
    url: https://developer.apievangelist.com/api
  - type: Pricing
    url: https://developer.apievangelist.com/plans/
  - type: RateLimits
    url: https://developer.apievangelist.com/plans/
  contact:
  - FN: Kin Lane
    email: info@apievangelist.com
- aid: api-evangelist-governance
  name: API Evangelist Governance & Discovery API
  description: Governance and discovery compute over the API Evangelist rule catalog — lint an OpenAPI against 461 curated
    rules or your own ruleset, score it, measure rule coverage, classify fields, diff versions, and validate onboarding. Free
    and keyless for the checking operations; artifact generation and estate rollups are Pro.
  image: https://kinlane-images.s3.amazonaws.com/shared/api-evangelist-logos/api-evangelist-butterfly-vertical.png
  humanURL: https://developer.apievangelist.com
  baseURL: https://api.apievangelist.com/v1
  tags:
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  - Spectral
  - Linting
  - Discovery
  properties:
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    url: https://developer.apievangelist.com
  - type: OpenAPI
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  - type: Overlay
    url: overlays/api-evangelist-governance-overlay.yaml
  - type: APIReference
    url: https://developer.apievangelist.com/governance-api
  - type: Pricing
    url: https://developer.apievangelist.com/plans/
  contact:
  - FN: Kin Lane
    email: info@apievangelist.com
- aid: api-evangelist-mcp
  name: API Evangelist MCP Server
  description: Model Context Protocol server over the same network — concierge tools (get_overview, guide_topic) plus find/get
    tools for every resource type, served over Streamable HTTP for AI agents.
  image: https://kinlane-images.s3.amazonaws.com/shared/api-evangelist-logos/api-evangelist-butterfly-vertical.png
  humanURL: https://developer.apievangelist.com/mcp-server
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  tags:
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  - Agents
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    url: https://developer.apievangelist.com/mcp-server
  - type: MCP
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  - type: MCPServer
    url: mcp/api-evangelist-mcp.yml
  - type: ToolCrosswalk
    url: mcp/api-evangelist-tool-crosswalk.yml
  - type: MCPServerCard
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  - type: AgentSkills
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  - type: AgentSkill
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  - type: LLMsTxt
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  contact:
  - FN: Kin Lane
    email: info@apievangelist.com
- aid: api-evangelist-apis
  name: API Evangelist APIs
  description: Individual API resources tracked across the API Evangelist network, drawn from many providers and business
    sectors and accompanied by OpenAPI reviews.
  image: https://kinlane-images.s3.amazonaws.com/shared/api-evangelist-logos/api-evangelist-butterfly-vertical.png
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  tags:
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  - Discovery
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  - type: APIsJSON
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  contact:
  - FN: Kin Lane
    email: info@apievangelist.com
- aid: api-evangelist-posts
  name: API Evangelist Posts
  description: Over 4,000 stories on the API Evangelist blog since 2010 — the technology, business, and politics of how APIs
    are changing the way we live and work.
  image: https://kinlane-images.s3.amazonaws.com/shared/api-evangelist-logos/api-evangelist-butterfly-vertical.png
  humanURL: https://apievangelist.com
  tags:
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  - Stories
  - Blog
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  contact:
  - FN: Kin Lane
    email: info@apievangelist.com
- aid: api-evangelist-conversations
  name: API Evangelist Conversations
  description: Regular conversations with API producers, consumers, and service providers about how they see APIs and what
    their biggest challenges are.
  image: https://kinlane-images.s3.amazonaws.com/shared/api-evangelist-logos/api-evangelist-butterfly-vertical.png
  humanURL: https://conversations.apievangelist.com
  tags:
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  - Interviews
  properties:
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  - type: JSONFeed
    url: https://conversations.apievangelist.com/conversations.json
  contact:
  - FN: Kin Lane
    email: info@apievangelist.com
- aid: api-evangelist-companies
  name: API Evangelist Companies
  description: An alphabetical listing of every company tracked across the API Evangelist network, operating in almost every
    business sector.
  image: https://kinlane-images.s3.amazonaws.com/shared/api-evangelist-logos/api-evangelist-butterfly-vertical.png
  humanURL: https://providers.apievangelist.com
  tags:
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  - APIs.json
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    url: https://developer.apievangelist.com/feeds/companies
  - type: APIsJSON
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  contact:
  - FN: Kin Lane
    email: info@apievangelist.com
- aid: api-evangelist-experiences
  name: API Evangelist Experiences
  description: The real-world human experience across teams producing APIs and the consumers who are applying and integrating
    them as part of business.
  image: https://kinlane-images.s3.amazonaws.com/shared/api-evangelist-logos/api-evangelist-butterfly-vertical.png
  humanURL: https://experiences.apievangelist.com
  tags:
  - Experiences
  - Developer Experience
  properties:
  - type: Documentation
    url: https://developer.apievangelist.com/feeds/experiences
  - type: JSONFeed
    url: https://experiences.apievangelist.com/experiences.json
  contact:
  - FN: Kin Lane
    email: info@apievangelist.com
- aid: api-evangelist-guidance
  name: API Evangelist Guidance
  description: Modular guidance for teams producing and consuming APIs — snackable real-time guidance for keeping API operations
    moving forward.
  image: https://kinlane-images.s3.amazonaws.com/shared/api-evangelist-logos/api-evangelist-butterfly-vertical.png
  humanURL: https://guidance.apievangelist.com
  tags:
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  - Best Practices
  properties:
  - type: Documentation
    url: https://developer.apievangelist.com/feeds/guidance
  - type: JSONFeed
    url: https://guidance.apievangelist.com/guidance.json
  contact:
  - FN: Kin Lane
    email: info@apievangelist.com
- aid: api-evangelist-partners
  name: API Evangelist Partners
  description: Information about API Evangelist partners and collaboration opportunities supporting API operations.
  image: https://kinlane-images.s3.amazonaws.com/shared/api-evangelist-logos/api-evangelist-butterfly-vertical.png
  humanURL: https://partners.apievangelist.com
  tags:
  - Partners
  - Network
  properties:
  - type: Documentation
    url: https://developer.apievangelist.com/feeds/partners
  contact:
  - FN: Kin Lane
    email: info@apievangelist.com
- aid: api-evangelist-policies
  name: API Evangelist Policies
  description: The business reasons behind why we govern API operations — aligning the engineering side of operations with
    the business side of things.
  image: https://kinlane-images.s3.amazonaws.com/shared/api-evangelist-logos/api-evangelist-butterfly-vertical.png
  humanURL: https://policies.apievangelist.com
  tags:
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  - Governance
  properties:
  - type: Documentation
    url: https://developer.apievangelist.com/feeds/policies
  - type: JSONFeed
    url: https://policies.apievangelist.com/policies.json
  contact:
  - FN: Kin Lane
    email: info@apievangelist.com
- aid: api-evangelist-properties
  name: API Evangelist Properties
  description: Individual properties of API operations that can be linked to strategy, experience, and policies — and then
    governed to standardize how things work.
  image: https://kinlane-images.s3.amazonaws.com/shared/api-evangelist-logos/api-evangelist-butterfly-vertical.png
  humanURL: https://properties.apievangelist.com
  tags:
  - Properties
  - Governance
  properties:
  - type: Documentation
    url: https://developer.apievangelist.com/feeds/properties
  - type: JSONFeed
    url: https://properties.apievangelist.com/properties.json
  contact:
  - FN: Kin Lane
    email: info@apievangelist.com
- aid: api-evangelist-rules
  name: API Evangelist Rules
  description: Technical details of API operations that can be automated and enforced, used to align policies with strategy
    to deliver the desired experience.
  image: https://kinlane-images.s3.amazonaws.com/shared/api-evangelist-logos/api-evangelist-butterfly-vertical.png
  humanURL: https://rules.apievangelist.com
  tags:
  - Rules
  - Spectral
  - Governance
  properties:
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    url: https://developer.apievangelist.com/feeds/rules
  - type: JSONFeed
    url: https://rules.apievangelist.com/rules.json
  contact:
  - FN: Kin Lane
    email: info@apievangelist.com
- aid: api-evangelist-schema
  name: API Evangelist Schema
  description: The naming and structure of the digital objects we pass back and forth via APIs within the business and personal
    applications we use.
  image: https://kinlane-images.s3.amazonaws.com/shared/api-evangelist-logos/api-evangelist-butterfly-vertical.png
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  tags:
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  - JSON Schema
  - Data Models
  properties:
  - type: Documentation
    url: https://developer.apievangelist.com/feeds/schema
  - type: APIsJSON
    url: https://schema.apievangelist.com/apis.json
  contact:
  - FN: Kin Lane
    email: info@apievangelist.com
- aid: api-evangelist-standards
  name: API Evangelist Standards
  description: Common Internet or industry standards used to consistently define API operations and keep the API factory floor
    well-defined and interoperable.
  image: https://kinlane-images.s3.amazonaws.com/shared/api-evangelist-logos/api-evangelist-butterfly-vertical.png
  humanURL: https://standards.apievangelist.com
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  - Interoperability
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  - type: Documentation
    url: https://developer.apievangelist.com/feeds/standards
  - type: APIsJSON
    url: https://standards.apievangelist.com/apis.json
  contact:
  - FN: Kin Lane
    email: info@apievangelist.com
- aid: api-evangelist-strategies
  name: API Evangelist Strategies
  description: High-level approaches to shifting the direction of API operations — aligning policies and experiences across
    the platform.
  image: https://kinlane-images.s3.amazonaws.com/shared/api-evangelist-logos/api-evangelist-butterfly-vertical.png
  humanURL: https://strategies.apievangelist.com
  tags:
  - Strategies
  - API Strategy
  properties:
  - type: Documentation
    url: https://developer.apievangelist.com/feeds/strategies
  - type: JSONFeed
    url: https://strategies.apievangelist.com/strategies.json
  contact:
  - FN: Kin Lane
    email: info@apievangelist.com
- aid: api-evangelist-utilities
  name: API Evangelist Utilities
  description: Utility APIs for managing API Evangelist operations — a catch-all collection of internal tools used to manage
    the platform.
  image: https://kinlane-images.s3.amazonaws.com/shared/api-evangelist-logos/api-evangelist-butterfly-vertical.png
  humanURL: https://utilities.apievangelist.com
  tags:
  - Utilities
  - Tooling
  properties:
  - type: Documentation
    url: https://developer.apievangelist.com/feeds/utilities
  contact:
  - FN: Kin Lane
    email: info@apievangelist.com
- aid: api-evangelist-videos
  name: API Evangelist Videos
  description: Video content covering API topics, interviews, and walkthroughs of API concepts and technologies.
  image: https://kinlane-images.s3.amazonaws.com/shared/api-evangelist-logos/api-evangelist-butterfly-vertical.png
  humanURL: https://video.apievangelist.com
  tags:
  - Videos
  - Media
  properties:
  - type: Documentation
    url: https://developer.apievangelist.com/feeds/videos
  contact:
  - FN: Kin Lane
    email: info@apievangelist.com
- aid: api-evangelist-vocabularies
  name: API Evangelist Vocabularies
  description: Organizing the words we use to describe API resources and capabilities — controlled vocabularies that help
    us get on the same page.
  image: https://kinlane-images.s3.amazonaws.com/shared/api-evangelist-logos/api-evangelist-butterfly-vertical.png
  humanURL: https://vocabularies.apievangelist.com
  tags:
  - Vocabularies
  - Taxonomy
  properties:
  - type: Documentation
    url: https://developer.apievangelist.com/feeds/vocabularies
  - type: JSONFeed
    url: https://vocabularies.apievangelist.com/vocabularies.json
  contact:
  - FN: Kin Lane
    email: info@apievangelist.com
- aid: spotlight-rules
  name: Spotlight Rules
  description: Standalone spotlight on API governance rules — guardrails for API operations delivered as a curated ruleset
    alongside the rules collection.
  image: https://kinlane-images.s3.amazonaws.com/shared/api-evangelist-logos/api-evangelist-butterfly-vertical.png
  humanURL: https://spotlight-rules.com
  tags:
  - Rules
  - Spotlight
  - Governance
  properties:
  - type: Documentation
    url: https://developer.apievangelist.com/feeds/spotlight-rules
  contact:
  - FN: Kin Lane
    email: info@apievangelist.com
common:
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  url: https://github.com/api-evangelist/posts/issues
- type: AgenticAccess
  url: agentic-access/api-evangelist-agentic-access.yml
- type: DomainSecurity
  url: security/api-evangelist-domain-security.yml
- type: Authentication
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- type: DeveloperPortal
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- type: Documentation
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- type: MCPServerCard
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- type: APIReference
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- type: SignUp
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- type: TermsOfService
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- type: PrivacyPolicy
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- type: WellKnown
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- type: APICatalog
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- type: LLMsTxt
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- type: MCPServer
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- type: AgentSkill
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- type: Conventions
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- type: ErrorCatalog
  url: errors/api-evangelist-problem-types.yml
- type: Lifecycle
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- type: Conformance
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- type: DataModel
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- type: Vocabulary
  url: https://vocabularies.apievangelist.com
- type: Plans
  url: plans/api-evangelist-plans-pricing.yml
- type: RateLimits
  url: rate-limits/api-evangelist-rate-limits.yml
maintainers:
- FN: Kin Lane
  email: info@apievangelist.com
  X-github: kinlane
x-evidence:
  checked: '2026-08-10'
  method: HTTP HEAD/GET against every pointer in the profile
  note: 'Pointers that did not resolve were removed rather than carried forward. Dead at check time: posts.apievangelist.com
    and videos.apievangelist.com (NXDOMAIN), partners/utilities apis.json and spotlight-rules.com/rules.json (404), policies+properties
    openapi.yml (404). GitHubRepository pointers to private api-evangelist repos were dropped — anonymous fetchers get a 404.'
x-enrichment:
  date: '2026-08-10'
  status: enriched
  artifacts_added: 26
  pass: local-v1