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 Apiable, ReadMe, Redocly, Archbee, Amazon API Gateway, Apigee, and 24 more — each links out to that provider’s APIs, schemas, and governance artifacts.
Related areas: Gateway, Documentation, Developer Experience, and Management. 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 (44)
Top 30 of 44 network providers tagged for this area — search the full set on apis.io.
| Provider | Description | APIs | Rating |
|---|---|---|---|
| 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 | developing |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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... | 2 | 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... | 8 | strong |
| 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 |
| 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 |
| 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... | 2 | 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 |
| 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 |
| 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 | developing |
| University of Cambridge | The University of Cambridge (founded 1209) is a public collegiate research university and Russell Group member whose programmable footprint is unusually real for a university, a... | 1 | developing |
| University of California, Santa Barbara | University of California, Santa Barbara is a public land-grant research university in the University of California system and an Association of American Universities member. Unu... | 42 | developing |
| 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 | 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 |
| 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 | developing |
| Renesas | Renesas Electronics Corporation (TYO: 6723) is a global semiconductor manufacturer producing microcontrollers and microprocessors (RA, RX, RL78, RH850, RZ, Synergy families), an... | 1 | developing |
| OpsLevel | OpsLevel is a prescriptive internal developer portal for cataloging, measuring, and scaffolding services according to engineering best practices. | 1 | 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 |
| 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 |
| 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 |
| Cortex | Cortex (cortex.io) is an internal developer portal (IDP) and software catalog platform. It gives engineering organizations a catalog of services and entities, Scorecards that me... | 1 | thin |
| IBM API Connect | IBM API Connect is a comprehensive end-to-end API management solution that enables organizations to create, secure, manage, share, monetize, and analyze APIs across clouds. It p... | 3 | thin |
| Roadie | Roadie is managed Backstage - a fully hosted internal developer portal (IDP) and software catalog delivered as SaaS, so teams get the Backstage software catalog, TechDocs, Scaff... | 1 | thin |
Related areas
Gateway (7 shared)
Documentation (6 shared)
Developer Experience (5 shared)
Management (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
52.3
+29.4 vs catalog 22.9
Mean Agent Readiness
31.5
+19.5 vs catalog 12
Spread
34.1–79.7
median 50.8 · σ 11.6
How the 30 split by band
Exemplar 5Strong 7Developing 13Thin 5Emerging 0Minimal 0
Facet averages, against the whole catalog
| Facet | This cohort | Catalog | Difference | Scored |
|---|---|---|---|---|
| Contract Quality | 52.5 | 17.6 | +34.9 | 30 |
| Developer Ergonomics | 55.1 | 23.1 | +32 | 30 |
| Access Clarity | 53.7 | 26.4 | +27.3 | 30 |
| Operational Transparency | 39.1 | 13.6 | +25.5 | 30 |
| Contract Governance | 21.1 | 6.3 | +14.8 | 30 |
| Discoverability | 71.1 | 58.2 | +12.9 | 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) | 50% | 15% | +35 |
| MCP server (first-party) | 43% | 12% | +31 |
| Agent Skills | 0% | 0% | 0 |
| OAuth scopes | 37% | 11% | +26 |
| Security | 100% | 98% | +2 |
| Arazzo workflows | 10% | 2% | +8 |
| Governance rules | 70% | 13% | +57 |
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 Archbee 70.9
- 3 Amazon API Gateway 70.6
- 4 Apigee 68.2
- 5 API Evangelist 66.7
- 6 Solo.io 63
- 7 Backstage 62.8
- 8 Gravitee 61.2
- 9 Gloo 57.8
- 10 DeveloperHub 57.5
Top by Agent Readiness
- 1 API Evangelist 62.4
- 2 DeveloperHub 61.9
- 3 Backstage 60.4
- 4 Archbee 58.5
- 5 Fusio 50.6
- 6 Renesas 38.7
- 7 Solo.io 37.6
- 8 OpsLevel 37.1
- 9 Apiable 35.4
- 10 Mintlify 35.3
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.