API Evangelist area
Documentation
95 related providers on APIs.io
Explore the full Documentation area →
Documentation is one of the API Evangelist areas on the APIs.io network — a focused corner of the API landscape. The full area lives at documentation.apievangelist.com.
30 providers on the network work in this area, including ReadMe, DeveloperHub, Mintlify, Scalar, ReadMe.io, ReDoc, and 24 more — each links out to that provider’s APIs, schemas, and governance artifacts.
Related areas: Portal, Design, Testing, and Developer Experience. Browse every area at areas.apis.io.
About this area
A curated index of services, tooling, and open source solutions for producing API and developer documentation. This collection covers hosted documentation platforms, open source…
Related providers (95)
Top 30 of 95 network providers tagged for this area — search the full set on apis.io.
| Provider | Description | APIs | Rating |
|---|---|---|---|
| ReadMe | ReadMe is a developer hub platform that helps companies design, document, and operate their APIs. The platform combines hosted API reference (OpenAPI-driven), guides and changel... | 2 | developing |
| DeveloperHub | DeveloperHub is a hosted developer documentation platform that enables teams to create beautiful API references, user guides, and knowledge bases. It features auto-generated API... | 1 | strong |
| Mintlify | Mintlify is an AI-native intelligent documentation platform designed for the next generation of technical documentation, combining beautiful out-of-the-box design with advanced ... | 1 | developing |
| Scalar | Scalar is an open-source API platform built around the OpenAPI standard. It provides API documentation (API References), an offline-first API client, a centralized API registry ... | 1 | developing |
| ReadMe.io | ReadMe is a developer-experience platform that turns an OpenAPI definition into interactive, personalized API documentation and developer hubs — complete with a live API Explore... | 3 | thin |
| ReDoc | ReDoc is an open-source API documentation renderer for OpenAPI specifications by Redocly. It generates a responsive three-panel documentation layout from OpenAPI 3.1, 3.0, and S... | 1 | thin |
| Stoplight Elements | Stoplight Elements is an open-source API documentation component library for rendering OpenAPI specifications interactively. It provides embeddable React and Web Components that... | 1 | thin |
| Slate | Slate is an open-source tool for creating beautiful, three-panel API documentation from Markdown. Built on Ruby and Middleman, Slate renders a left-side navigation menu, a cente... | 1 | emerging |
| ApiNotes | ApiNotes is an interactive API documentation tool that generates developer portals with live endpoint testing, code examples in multiple languages, and shareable documentation f... | 1 | emerging |
| DapperDox | DapperDox is an open-source API documentation generator that creates beautiful, customizable reference documentation from OpenAPI specifications. It supports theming, overlays, ... | 1 | emerging |
| Documentation | A curated index of services, tooling, and open source solutions for producing API and developer documentation. This collection covers hosted documentation platforms, open source... | 0 | minimal |
| Redocly | Redocly is a company that specializes in API documentation and governance tooling. Their platform helps organizations create, manage, and publish API documentation through Realm... | 4 | exemplar |
| Postman | Postman is the world's leading API platform, used by 35+ million developers to design, build, test, document, mock, monitor, and govern APIs across the entire API lifecycle. The... | 21 | exemplar |
| Archbee | Archbee is a documentation and knowledge-portal platform for software teams. It creates, manages and publishes technical documentation, API references and internal wikis, with c... | 11 | exemplar |
| Confluence | APIs for Atlassian Confluence - team collaboration and knowledge management software. | 3 | exemplar |
| Stoplight | Stoplight is a collaborative, design-first API platform providing a visual editor for OpenAPI specifications, interactive hosted documentation, automatic mock servers, API style... | 2 | exemplar |
| Routebase | API lifecycle platform covering Design (visual OpenAPI editor), Mock (spec-driven mock servers), Test (suites, assertions, OWASP security scanning), Document (published docs por... | 1 | strong |
| APIMatic | APIMatic is a developer experience platform for APIs that specializes in automated SDK generation, API documentation portal creation, specification validation and linting, and A... | 5 | strong |
| Apollo API Documentation | Apollo.io is a sales intelligence and engagement platform. Its REST API provides programmatic access to a database of over 240 million contacts and 30 million companies, coverin... | 1 | strong |
| Hashnode | Hashnode is a blogging platform for developers and engineering teams, offering publications on a custom domain, a headless CMS mode, and a public GraphQL API covering posts, dra... | 1 | strong |
| Zeroheight | zeroheight is a design system platform where teams document components, patterns, guidelines and design tokens in a styleguide, then deliver that documentation to designers, eng... | 1 | strong |
| Treblle | Treblle helps engineering and product teams build, ship and understand their REST APIs in one single place. Empowering API producers by showing actionable data in real-time wher... | 1 | strong |
| CompanyCam | CompanyCam is a photo-based job-site documentation platform for contractors and the trades — roofing, restoration, solar, home services and construction. Its mobile apps capture... | 1 | strong |
| Speakeasy | The platform to Build APIs your users love. Best in class API tooling for robust SDKs, API docs, Terraform providers and end-to-end testing. | 1 | strong |
| Elium | Elium is a European enterprise knowledge-management SaaS platform, founded in 2007 as Knowledge Plaza and renamed Elium in 2017, headquartered in Louvain-la-Neuve, Belgium. Team... | 2 | developing |
| GitBook | GitBook is a documentation and knowledge platform, positioned as "the knowledge layer for AI", that connects a company's docs, product and users, answers user questions with AI,... | 1 | developing |
| Sweep | Sweep is the agentic layer for enterprise systems. By connecting to platforms like Salesforce, Snowflake, ServiceNow, and HubSpot, Sweep reads live metadata and gives AI agents ... | 2 | developing |
| PlanRadar | PlanRadar is a SaaS platform for construction and real estate documentation, defect and task management, and site inspections, used by builders, owners, facility managers, archi... | 1 | developing |
| Apidog | Apidog is an all-in-one API development platform that connects the entire API lifecycle: visual API design, multi-protocol debugging (HTTP, REST, GraphQL, gRPC, WebSocket, SOAP,... | 1 | developing |
| Scribe | Scribe (scribehow) is an AI workflow-documentation platform founded in 2019 that automatically turns any process or software walkthrough into a step-by-step guide. Its products ... | 1 | developing |
Related areas
Portal (6 shared)
Design (5 shared)
Testing (5 shared)
Developer Experience (4 shared)
Monitoring (3 shared)
SDKs (2 shared)
Cohort brief
Auto-generatedThe 29 providers in the APIs.io catalog working in Documentation, scored on the Kin Score. Every figure below is computed from the catalog — nothing here is written.
Providers
29
all scored
Mean Kin Score
52.1
+29.2 vs catalog 22.9
Mean Agent Readiness
33.6
+21.6 vs catalog 12
Spread
16.2–79.7
median 53.9 · σ 15.8
How the 29 split by band
Exemplar 5Strong 9Developing 9Thin 3Emerging 3Minimal 0
Facet averages, against the whole catalog
| Facet | This cohort | Catalog | Difference | Scored |
|---|---|---|---|---|
| Access Clarity | 62.6 | 26.4 | +36.2 | 29 |
| Developer Ergonomics | 54.1 | 23.1 | +31 | 29 |
| Operational Transparency | 44 | 13.6 | +30.4 | 29 |
| Contract Quality | 45.9 | 17.6 | +28.3 | 29 |
| Contract Governance | 20.5 | 6.3 | +14.2 | 29 |
| Discoverability | 68.6 | 58.2 | +10.4 | 29 |
A facet is averaged over the members that carry it, not over the whole cohort — the “Scored” column is that count. Averaging an absent facet as zero would score our own coverage gaps as the providers’ posture.
What this cohort publishes
| Artifact | This cohort | Catalog | Difference |
|---|---|---|---|
| MCP server (any) | 59% | 15% | +44 |
| MCP server (first-party) | 55% | 12% | +43 |
| Agent Skills | 0% | 0% | 0 |
| OAuth scopes | 34% | 11% | +23 |
| Security | 97% | 98% | -1 |
| Arazzo workflows | 17% | 2% | +15 |
| Governance rules | 59% | 13% | +46 |
mcp_pct counts any mcp/ artifact including ones API Evangelist derived from the provider OpenAPI; mcp_first_party_pct counts only servers the provider publishes. Prefer the latter.
Top by Kin Score
- 1 Redocly 79.7
- 2 Postman 73.7
- 3 Archbee 70.9
- 4 Confluence 70.6
- 5 Stoplight 70.4
- 6 Routebase 64.3
- 7 APIMatic 63.1
- 8 Apollo API Documentation 62.2
- 9 Hashnode 58.4
- 10 DeveloperHub 57.5
Top by Agent Readiness
- 1 DeveloperHub 61.9
- 2 Archbee 58.5
- 3 Apollo API Documentation 57.7
- 4 Postman 57.2
- 5 Confluence 54.4
- 6 Routebase 52.9
- 7 Zeroheight 49.1
- 8 APIMatic 48.8
- 9 Sweep 48.5
- 10 GitBook 47.4
All 30 members of this roster resolve to a scored provider in
the catalog.Generated from the catalog build of
3 October 2026, across 28834
providers, using the same computation served by the
APIs.io cohort API. Briefs are published for rosters of
5 or more scored providers; below that a distribution is not meaningful.
Work with this as data
Every area here is available over the APIs.io API and to AI agents over MCP.