API Evangelist area

Authentication

423 related providers on APIs.io Explore the full Authentication area →

Authentication is one of the API Evangelist areas on the APIs.io network — a focused corner of the API landscape. The full area lives at authentication.apievangelist.com.

30 providers on the network work in this area, including Twilio, Microsoft Entra ID (formerly Azure AD), Kinde, Zoho CRM, Appwrite, Kit, and 24 more — each links out to that provider’s APIs, schemas, and governance artifacts.

Related areas: AI Automation, Agents, Communications, and Agent Skills. Browse every area at areas.apis.io.

About this area

A curated index of services, tooling, and open source solutions for API authentication, authorization, identity management, and secrets management. This collection covers identity…

Related providers (423)

Top 30 of 423 network providers tagged for this area — search the full set on apis.io.

Provider Description APIs Rating
Twilio Cloud communications platform providing APIs for SMS, voice, video, and authentication services. Twilio offers 30+ APIs covering messaging, voice, video, email, identity verific... 55 exemplar
Microsoft Entra ID (formerly Azure AD) Microsoft's cloud-based identity and access management service that helps employees sign in and access resources. Azure AD provides OAuth, OpenID Connect, SAML, and other identi... 9 exemplar
Kinde Kinde is a developer-first authentication and customer identity platform that bundles authentication (passwords, passwordless, social, enterprise SSO), authorization (roles, per... 2 exemplar
Zoho CRM Zoho CRM is Zoho Corporation's AI-powered sales and customer relationship management platform, used to manage leads, contacts, accounts, deals, activities and customer engagemen... 105 exemplar
Appwrite Appwrite is an open-source backend platform for web, mobile and AI applications, shipped both as a self-hostable BSD-3-Clause server and as the managed Appwrite Cloud. One REST ... 2 exemplar
Kit Kit (formerly ConvertKit) is a creator email marketing platform whose REST API v4 covers subscribers, tags, custom fields, forms and landing pages, sequences, broadcasts, snippe... 2 exemplar
drchrono drchrono, part of EverCommerce's EverHealth portfolio, is an all-in-one EHR, practice management and medical billing platform for independent US medical practices. It publishes ... 2 exemplar
Okta Okta is the workforce identity incumbent — its Identity Cloud platform (also called the Okta Workforce Identity Platform) covers Single Sign-On, Adaptive MFA, Universal Director... 2 exemplar
Telesign Telesign provides a comprehensive suite of communications and security APIs enabling businesses to verify phone numbers, send SMS, omnichannel and voice messages, and assess fra... 28 exemplar
Cvent Registration Cvent Registration is the event registration product within the Cvent Event Cloud, providing online registration websites, attendee data capture, payment processing, registratio... 2 exemplar
Cvent Cvent is a leading meetings, events, and hospitality technology provider with over 4,800 employees and 22,000+ customers worldwide. The Cvent platform spans Event Cloud (event m... 2 exemplar
Aembit Aembit is a Workload Identity and Access Management (Workload IAM) platform for non-human identities — AI agents, applications, microservices, CI/CD pipelines, scripts and servi... 2 exemplar
Authentik Authentik is an open source identity provider from Authentik Security Inc., a public benefit company, exposing a 1,193-operation REST API at /api/v3 on every self-hosted instanc... 1 exemplar
Strivacity Strivacity is a customer identity and access management (CIAM) vendor that runs a single-tenant, dedicated-cloud identity platform for consumer, partner, B2B and — since its Age... 8 exemplar
Tvarka ATK API A single REST API estate for Lithuanian eID authentication and qualified electronic signing (QES). The ATK API reads the Lithuanian identity card itself - physical smart-card re... 4 exemplar
Microsoft Entra Microsoft Entra (formerly Azure Active Directory) is Microsoft's family of identity and network access products, providing authentication, authorization, directory, identity gov... 1 exemplar
Hootsuite Hootsuite is a social media management platform that lets organizations schedule posts, monitor conversations, run paid campaigns, and analyze performance across LinkedIn, X (Tw... 8 exemplar
AWeber AWeber is an email marketing and automation platform for small businesses, creators, and entrepreneurs providing email broadcasts, drip campaigns, landing pages, sign-up forms, ... 5 exemplar
Clerk Clerk is a complete user management and authentication infrastructure platform offering embeddable UI components, flexible APIs, and admin dashboards. It provides full-stack aut... 8 exemplar
Auth0 Auth0 (now part of Okta) is a leading identity-as-a-service platform providing authentication and authorization for applications, APIs, and AI agents. It implements OpenID Conne... 4 exemplar
Zuplo Zuplo is the API management platform for developers. Build, deploy, and scale APIs faster with Zuplo. 1 exemplar
Immutable Immutable is a games growth and blockchain infrastructure company whose platform spans two connected halves: Immutable Audience, a games-focused CDP, attribution and player-acti... 2 exemplar
Cvent Event Cloud Cvent Event Cloud is the event management product line of the Cvent Platform. It supports the full event lifecycle: event creation, registration, marketing, agenda and session m... 2 exemplar
Lacuna Lacuna (lacuna.fm), operated by JOYLINK LTD, is an AI music creation platform that turns lyrics or a plain-text style description into complete songs with vocals, alongside lyri... 2 exemplar
Cisco XDR Cisco XDR is Cisco's extended detection and response platform, the successor to SecureX. It correlates telemetry from Cisco Secure Endpoint, Secure Firewall, Umbrella, Duo, Secu... 12 exemplar
Taskfolk Taskfolk is a project-management and issue-tracking platform built for teams and their AI agents working side by side, operated by UTTER L.L.C-FZ of Dubai, UAE. Workspaces conta... 2 exemplar
Rose Rocket Rose Rocket is a Toronto-based transportation management system (TMS) for freight brokers, carriers and 3PLs, sold as an AI-native, configurable operations platform rather than ... 1 exemplar
Microsoft Active Directory Microsoft Active Directory and Microsoft Entra ID provide identity and access management for organizations of all sizes. Microsoft Graph API is the unified REST API gateway for ... 3 exemplar
Amazon Cognito Amazon Cognito is a fully managed AWS user identity and authentication service that adds sign-up, sign-in, and access control to web and mobile applications, scaling to millions... 2 exemplar
Beeketing Beeketing began as a Vietnam-founded e-commerce marketing startup (backed by 500 Global) that built conversion-optimization apps for Shopify and other online stores, and evolved... 1 exemplar

Related areas

AI Automation (2 shared) Agents (2 shared) Communications (2 shared) Agent Skills (1 shared) Database (1 shared) Gateway (1 shared)

Markets provisional

Kin Score markets whose measured providers carry this area. Share is the fraction of the market's measured providers that carry it — it describes the market, not this area.

Cohort brief

Auto-generated

The 30 providers in the APIs.io catalog working in Authentication, scored on the Kin Score. Every figure below is computed from the catalog — nothing here is written.

Providers
30
all scored
Mean Kin Score
75.4
+52.6 vs catalog 22.8
Mean Agent Readiness
47.1
+33.8 vs catalog 13.3
Spread
67.5–90.3
median 74 · σ 6.4
How the 30 split by band
Exemplar 30Strong 0Developing 0Thin 0Emerging 0Minimal 0
Facet averages, against the whole catalog
FacetThis cohortCatalogDifferenceScored
Access Clarity 87.1 25 +62.1 30
Operational Transparency 73.9 12.4 +61.5 30
Developer Ergonomics 72.6 22.1 +50.5 30
Contract Quality 66.6 18.2 +48.4 30
Contract Governance 33.5 9.4 +24.1 30
Discoverability 74.8 57.9 +16.9 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
ArtifactThis cohortCatalogDifference
MCP server (any) 70% 16% +54
MCP server (first-party) 63% 14% +49
Agent Skills 0% 0% 0
OAuth scopes 77% 13% +64
Security 100% 98% +2
Arazzo workflows 37% 2% +35
Governance rules 100% 35% +65

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. 1 Twilio 90.3
  2. 2 Microsoft Entra ID (formerly Azure AD) 89
  3. 3 Kinde 88.8
  4. 4 Zoho CRM 86
  5. 5 Appwrite 84.6
  6. 6 Kit 79.6
  7. 7 drchrono 79.5
  8. 8 Okta 78
  9. 9 Telesign 76.9
  10. 10 Cvent Registration 76.7
Top by Agent Readiness
  1. 1 Taskfolk 69.1
  2. 2 Kit 64.4
  3. 3 Immutable 60.7
  4. 4 Lacuna 58.1
  5. 5 Microsoft Entra ID (formerly Azure AD) 57.9
  6. 6 Zuplo 57.3
  7. 7 Twilio 56.4
  8. 8 Appwrite 56.3
  9. 9 Okta 53.8
  10. 10 Aembit 52.7
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.

MCP server

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https://apis.io/mcp

Tools for areas

6 MCP tools reach this
  • find_areasBrowse and filter every area in the catalog.
  • get_area_leadersPRO — top-rated providers in this area.
  • cohort_statsPRO — the distribution across the area.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This area
curl "https://apis.io/api/v1/areas/authentication"
All areas
curl "https://apis.io/api/v1/areas?limit=25"
As a scored cohort
curl "https://apis.io/api/v1/cohorts/area/authentication"
The distribution (Pro)
curl "https://apis.io/api/v1/cohorts/area/authentication/stats" \
  -H "X-API-Key: $APIS_IO_KEY"

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