Portal is one of the API Evangelist areas on the APIs.io network — a focused corner of the API landscape. The full area lives at portal.apievangelist.com.
30 providers on the network work in this area, including ReadMe, Apiable, Redocly, Amazon API Gateway, Archbee, Apigee, and 24 more — each links out to that provider’s APIs, schemas, and governance artifacts.
Related areas: Documentation, Developer Experience, Management, and Gateway. Browse every area at areas.apis.io.
About this area
A curated index of services, tooling, and open source solutions for API developer portals, API catalogs, API marketplaces, and developer experience platforms. This collection…
Related providers (47)
Top 30 of 47 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 | strong |
| Apiable | Apiable is an API portal platform that enables businesses to create single-tenant, white-label developer portals with custom domains, branding, and API product management. It su... | 1 | strong |
| 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 |
| Amazon API Gateway | Amazon API Gateway is a fully managed service that makes it easy to create, publish, maintain, monitor, and secure APIs at any scale. It acts as the front door for applications ... | 13 | 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 |
| Apigee | Apigee is Google Cloud's native API management platform for building, managing, and securing APIs across any use case, environment, or scale. It provides API proxies, security, ... | 5 | exemplar |
| 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 fo... | 2 | exemplar |
| 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 | exemplar |
| Gravitee | Gravitee.io is an open-source API management platform from GraviteeSource, combining a high-performance API Gateway, full-lifecycle API Management, Access Management (IAM), Cock... | 3 | 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 | strong |
| Moesif | Moesif is an API analytics, monitoring, monetization, and governance platform for API and AI product teams. The platform unifies API observability (analytics, logs, metrics, tra... | 1 | strong |
| 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 | strong |
| Backstage | Backstage is an open-source developer portal platform created by Spotify. It provides a centralized software catalog, software templates (scaffolder), TechDocs, and a plugin eco... | 13 | strong |
| Configure8 | Configure8 is a commercial Internal Developer Portal (IDP) that gives engineering organizations a unified catalog of services, environments, and resources, with dependency mappi... | 1 | strong |
| Solo.io | Solo.io is a cloud-native application-networking company founded in 2017 that builds enterprise and open-source API gateways, service mesh, and agentic-AI infrastructure. Its pr... | 5 | strong |
| Bump.sh | Bump.sh is "the modern API doc platform" — automatic, diff-aware documentation for OpenAPI and AsyncAPI specifications, plus a managed Model Context Protocol (MCP) platform that... | 1 | strong |
| Fusio | Fusio is Apache-2.0, self-hosted API management from apioo (Christoph Kappestein, Germany). An operator installs it and builds APIs inside it: an operation binds an HTTP method ... | 4 | strong |
| IBM API Connect | IBM API Connect is a comprehensive API management platform that enables organizations to create, secure, manage, share, monetize, and analyze APIs across multiple cloud environm... | 5 | strong |
| Gloo | Gloo is Solo.io's family of open-source and enterprise API gateway, service mesh and developer portal products, built on Envoy Proxy and Istio and delivered as software the cust... | 4 | strong |
| Traefik Labs | Traefik Labs builds cloud-native traffic and API infrastructure - the open-source Traefik Proxy (an ingress controller, reverse proxy, and load balancer for Kubernetes, Docker, ... | 1 | strong |
| Choreo | WSO2 Choreo is an enterprise-grade Internal Developer Platform (IDP) and application orchestration platform that helps organizations build, deploy, manage, and observe APIs, mic... | 3 | strong |
| Theneo | Beautiful, up-to-date docs without the effort. Theneo is an AI-native API documentation and developer portal platform that auto-generates interactive docs from OpenAPI, Swagger,... | 1 | strong |
| Red Hat 3scale | Red Hat 3scale API Management is an enterprise-grade API management platform that enables organizations to share, secure, distribute, control, and monetize APIs across internal ... | 5 | developing |
| OpsLevel | OpsLevel is a prescriptive internal developer portal for cataloging, measuring, and scaffolding services according to engineering best practices. | 1 | developing |
| Apiman | Apiman is an open source API management platform featuring a REST API, manager UI, and standalone developer portal with multi-tenancy, events, notifications, permissions, and ap... | 1 | developing |
| Document360 | Document360 is a SaaS knowledge base platform that allows teams to create, manage, and publish self-service knowledge bases and documentation portals. It supports version contro... | 1 | developing |
| Port | Port is an Internal Developer Portal built around an API-first software catalog, customizable blueprints and entities, self-service actions, and scorecards. Platform teams model... | 2 | 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 | developing |
| SAP API Management | SAP API Management is an API platform that enables organizations to design, import, publish, secure, and monitor APIs. It provides a self-service developer portal (API Business ... | 1 | developing |
| Stacker | Stacker is a no-code platform that enables organizations to build custom business applications, internal tools, and customer portals on top of their existing data sources — incl... | 1 | thin |
Related areas
Documentation (9 shared)
Developer Experience (6 shared)
Management (6 shared)
Gateway (5 shared)
Monetization (3 shared)
Microservices (2 shared)
Cohort brief
Auto-generatedThe 30 providers in the APIs.io catalog working in Portal, scored on the Kin Score. Every figure below is computed from the catalog — nothing here is written.
Providers
30
all scored
Mean Kin Score
58.3
+35.5 vs catalog 22.8
Mean Agent Readiness
37.1
+23.8 vs catalog 13.3
Spread
37–82.7
median 59.8 · σ 10.7
How the 30 split by band
Exemplar 6Strong 16Developing 7Thin 1Emerging 0Minimal 0
Facet averages, against the whole catalog
| Facet | This cohort | Catalog | Difference | Scored |
|---|---|---|---|---|
| Contract Quality | 58 | 18.2 | +39.8 | 30 |
| Developer Ergonomics | 58.8 | 22.1 | +36.7 | 30 |
| Operational Transparency | 47.1 | 12.4 | +34.7 | 30 |
| Access Clarity | 59.6 | 25 | +34.6 | 30 |
| Contract Governance | 28.3 | 9.4 | +18.9 | 30 |
| Discoverability | 73.1 | 57.9 | +15.2 | 30 |
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) | 53% | 16% | +37 |
| MCP server (first-party) | 57% | 14% | +43 |
| Agent Skills | 0% | 0% | 0 |
| OAuth scopes | 40% | 13% | +27 |
| Security | 100% | 98% | +2 |
| Arazzo workflows | 10% | 2% | +8 |
| Governance rules | 97% | 35% | +62 |
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 82.7
- 2 Amazon API Gateway 76
- 3 Archbee 69.8
- 4 Apigee 69.6
- 5 API Evangelist 68.4
- 6 DeveloperHub 67.5
- 7 ReadMe 65.7
- 8 Gravitee 65.2
- 9 Mintlify 64
- 10 Moesif 63.3
Top by Agent Readiness
- 1 API Evangelist 65.8
- 2 DeveloperHub 60.5
- 3 Archbee 59.3
- 4 Backstage 57.3
- 5 IBM API Connect 54.7
- 6 Bump.sh 54.4
- 7 Fusio 53.4
- 8 GitBook 52.1
- 9 Mintlify 50.4
- 10 Moesif 42.3
All 30 members of this roster resolve to a scored provider in
the catalog.Generated from the catalog build of
7 November 2026, across 38912
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.