established · 0.5

Login

Score 25.1 / 100 53 providers 58 APIs Search apis.io →
Variants seen in the corpus: LOGINLoginlogin

Providers using this tag (53)

Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.

Exemplar 3 Complete, well-documented, and agent-ready
Strong 11 Solid coverage with minor gaps
Developing 19 Usable, with meaningful gaps to close
Thin 17 Limited public surface area
Emerging 3 Early or largely undocumented

APIs with this tag (58)

Ranked by the provider's API Evangelist rating — the Kin Score is scored per provider, not per API, so every API of a provider shares its band. How the rating works →

Exemplar 4 Complete, well-documented, and agent-ready
Strong 12 Solid coverage with minor gaps
Developing 22 Usable, with meaningful gaps to close
EPA — U.S. Environmental Protection Agency Login APIThe Login API from EPA — U.S. Environmental Protection Agency — 3 operation(s) for login.53.7QGenda Login APIThe Login API from QGenda — 1 operation(s) for login.53.5TetraScience Login APIThe Login API from TetraScience — 7 operation(s) for login.52.9Veritas NetBackup Login APIAuthenticate to the NetBackup REST API and obtain a JSON Web Token for subsequent API requests.50.7Cubist Login APIThe Login API from Cubist — 2 operation(s) for login.50.4Weka Login APIThe Login API from Weka — 2 operation(s) for login.49.7WeChat Login APIMini Program login and session exchange.48.8WeChat Open Platform — Mobile App Login (OAuth 2.0)OAuth 2.0 authorization flow exposed by the WeChat Open Platform for native iOS, Android, and HarmonyOS app...48.8WeChat Open Platform — Website Login (QR OAuth)Web-based OAuth 2.0 login that renders a WeChat QR code on third-party websites. End users scan the code in...48.8Hanko Flow APIThe Hanko Flow API powers structured authentication flows including login initialization and advancement, r...48.1Hanko Login APIThe Login API from Hanko — 2 operation(s) for login.48.1TheTVDB Login APIThe Login API from TheTVDB — 1 operation(s) for login.48.1PlanRadar Login APIThe Login API from PlanRadar — 1 operation(s) for login.46.7AlgoSeek Login APIThe Login API from AlgoSeek — 1 operation(s) for login.45.4Border0 Login APIThe Login API from Border0 — 2 operation(s) for login.45.2University of Chicago Gen3 Fence — login APIThe login API from University of Chicago — 2 operation(s) for login.44.4Flash App Login APIThe Login API from Flash App — 1 operation(s) for login.44.0Agora Data Login APIThe Login API from Agora Data — 1 operation(s) for login.42.7FusionAuth Login APIThe Login API from FusionAuth — 2 operation(s) for login.42.2Mile Login APIThe Login API from Mile — 2 operation(s) for login.41.9Quasar Login APIThe Login API from Quasar — 1 operation(s) for login.40.2Automile Login APIThe Login API from Automile — 1 operation(s) for login.39.6
Thin 17 Limited public surface area
Apache Airflow Login APIThe Login API from Apache Airflow — 2 operation(s) for login.39.2VAST Data login APIThe login path is used to log into VMS.38.6IBM MQ Login APIAuthentication token management37.5Veeam Login APIThe authorization process involves obtaining an access token and a refresh token.For details on the authori...36.7Qlik Login APIManages login flows and session management for accessing Qlik Cloud.36.6Check Point Login APIThe Login API from Check Point — 2 operation(s) for login.36.3Neynar Login APIOperations related to login35.7Kakao Login (OAuth 2.0) APIKakao Login is Korea's most widely used social-identity provider, built on OAuth 2.0 / OpenID Connect. The ...34.5Quantum Art Login APIThe Login API from Quantum Art — 1 operation(s) for login.33.6Xfactor.io Collaboration Manager APIThe buyer-facing collaboration surface — a separate login, and read access to a shared value proposition's ...33.0DEGIRO login APIThe login API from DEGIRO — 1 operation(s) for login.32.8Login With Grab (Grab ID) APIGrab ID is Grab's OAuth 2.0 / OpenID Connect identity provider. Partner applications use the Login With Gra...32.3Flatcar Container Linux Login APIThe Login API from Flatcar Container Linux — 3 operation(s) for login.31.9Edge Impulse Login APIThe Login API from Edge Impulse — 1 operation(s) for login.31.3Matrix Login APIThe Login API from Matrix — 1 operation(s) for login.31.3SAP Business One Login APIThe Login API from SAP Business One — 1 operation(s) for login.30.6Race Entry Login APIThe Login API from Race Entry — 1 operation(s) for login.26.7
Emerging 3 Early or largely undocumented

Score breakdown

Frequency
54.5
log-scaled weighted occurrences
Breadth
1.5
spread across providers
Quality lift
55.3
mean composite of providers using it
Cohesion
0.0
strength of nearest seed neighbor

Related tags

Logout 7 co-occurrences Refresh 5 co-occurrences Keys 7 co-occurrences Hosts 5 co-occurrences Credentials 7 co-occurrences List 8 co-occurrences Token 6 co-occurrences Config 5 co-occurrences

Where this tag comes from

Api tag55
Openapi tag42
Openapi op tag79

Cohort brief

Auto-generated

The 53 providers in the APIs.io catalog tagged Login, scored on the Kin Score. Every figure below is computed from the catalog — nothing here is written.

Providers
53
all scored
Mean Kin Score
45.5
+24.8 vs catalog 20.7
Mean Agent Readiness
27.3
+17.6 vs catalog 9.7
Spread
15.8–83.3
median 44.4 · σ 14
How the 53 split by band
Exemplar 3Strong 11Developing 19Thin 17Emerging 3Minimal 0
Facet averages, against the whole catalog
FacetThis cohortCatalogDifferenceScored
Contract Quality 55.8 17.5 +38.3 53
Developer Ergonomics 47.3 17.9 +29.4 53
Access Clarity 41.5 22.3 +19.2 53
Operational Transparency 28.9 11.3 +17.6 53
Discoverability 72.5 60.4 +12.1 53
Contract Governance 17.8 6.4 +11.4 53

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) 53% 16% +37
MCP server (first-party) 15% 7% +8
Agent Skills 0% 0% 0
OAuth scopes 21% 9% +12
Security 100% 88% +12
Arazzo workflows 17% 2% +15
Governance rules 42% 13% +29

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 Salesforce 83.3
  2. 2 Stripe 83.2
  3. 3 Adyen 67.1
  4. 4 Palo Alto Networks 63.7
  5. 5 123FormBuilder 61.7
  6. 6 PortOne 61.4
  7. 7 Tricentis 61
  8. 8 Cisco XDR 60.7
  9. 9 Unified.to 60.4
  10. 10 Wufoo 60.1
Top by Agent Readiness
  1. 1 Salesforce 52.2
  2. 2 Stripe 47.8
  3. 3 Tricentis 44.6
  4. 4 PortOne 41.7
  5. 5 Tower 41.6
  6. 6 Adyen 39.4
  7. 7 Palo Alto Networks 39.4
  8. 8 Cisco XDR 38.9
  9. 9 Neynar 38.8
  10. 10 Agora Data 37.6
All 53 members of this roster resolve to a scored provider in the catalog.Generated from the catalog build of 25 August 2026, across 26891 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.

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  • find_tagsBrowse and filter every tag in the catalog.
  • get_cohortThis tag as a scored cohort — every provider carrying it, with scores.
  • cohort_statsPRO — the distribution across this tag: mean, median, band split, adoption rates.
  • cohort_rankingsPRO — the leaderboard, on composite AND agent-readiness axes.
  • 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.
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The distribution (Pro)
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