OpenID Connect

OpenID Connect (OIDC) is an identity authentication protocol that is an extension of OAuth 2.0. It enables clients to verify the identity of end-users and obtain basic profile information in a secure, standardized way using JSON Web Tokens (JWT).

OpenID Connect publishes 6 API contracts indexed on the APIs.io network, including OIDC Authentication API, OIDC Discovery API, OIDC JWKS API, and 3 more. Tagged areas include Authentication, Identity, JWT, OAuth, and OpenID Connect.

The OpenID Connect catalog on APIs.io includes 1 Spectral governance ruleset.

OpenID Connect’s developer surface includes documentation, engineering blog, and 5 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

6 published contracts

Authentication Identity JWT OAuth OpenID Connect

Standards implemented 1

Standards this provider implements or carries. De facto ones are profiled and measured by the API Commons; formal ones come from the standards directory and are linked by the provider's own tags. The evidence column says how each claim was established — not that it was made.

OpenAPI

measured — observed by APIs.io (published)

APIs 6

Individual APIs this provider publishes, each with its own machine-readable definition.

OIDC Authentication API

Endpoints for authenticating end-users and obtaining authorization grants.

OIDC Discovery API

OpenID Connect Discovery endpoints for provider metadata.

OIDC JWKS API

JSON Web Key Set endpoint for token signature verification.

OIDC Session API

Session management endpoints including logout.

OIDC Token API

Token endpoint for exchanging authorization codes for tokens.

OIDC User Info API

Endpoint for retrieving claims about the authenticated end-user.

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs.

OpenID Connect API Rules

62 rules · 60 errors 1 warnings 1 info

SPECTRAL

Security Posture 1

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Openid Connect Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Resources

Documentation 2

Reference material describing how the API behaves

Documentation

Documentation

Reference

Reference

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

LlmsText

LlmsText

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Company 2

The organization behind the API

Website

Website

Blog

Blog

Other 1

Properties that don't map to a standard resource type

CapabilityMap

CapabilityMap

Source (apis.yml)

aid: openid-connect
name: OpenID Connect
description: OpenID Connect (OIDC) is an identity authentication protocol that is an extension of OAuth 2.0. It enables clients
  to verify the identity of end-users and obtain basic profile information in a secure, standardized way using JSON Web Tokens
  (JWT).
type: Index
deliveryModel:
  model: unknown
  open_source: false
  commercial: false
  callable_host: false
  label: Delivery model not determined — needs a product licence on record
  confidence: low
  source:
  - none
  generated: '2026-08-28'
  method: derived
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source:
  - security
  generated: '2026-11-06'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/openid-connect.png
tags:
- Authentication
- Identity
- JWT
- OAuth
- OpenID Connect
tags_raw:
- Authentication
- Identity
- JWT
- OAuth
- OpenID Connect
url: https://raw.githubusercontent.com/api-evangelist/openid-connect/refs/heads/main/apis.yml
created: '2025-01-01'
modified: '2026-04-28'
specificationVersion: '0.23'
apis:
- aid: openid-connect:oidc-authentication-api
  name: OIDC Authentication API
  description: Endpoints for authenticating end-users and obtaining authorization grants.
  humanURL: https://openid.net/specs/openid-connect-core-1_0.html
  tags:
  - Authentication
  properties:
  - type: OpenAPI
    url: openapi/oidc-authentication-api-openapi.yml
  - type: Documentation
    url: https://openid.net/specs/openid-connect-core-1_0.html
- aid: openid-connect:oidc-discovery-api
  name: OIDC Discovery API
  description: OpenID Connect Discovery endpoints for provider metadata.
  humanURL: https://openid.net/specs/openid-connect-core-1_0.html
  tags:
  - Discovery
  properties:
  - type: OpenAPI
    url: openapi/oidc-discovery-api-openapi.yml
  - type: Documentation
    url: https://openid.net/specs/openid-connect-core-1_0.html
- aid: openid-connect:oidc-jwks-api
  name: OIDC JWKS API
  description: JSON Web Key Set endpoint for token signature verification.
  humanURL: https://openid.net/specs/openid-connect-core-1_0.html
  tags:
  - JWKS
  properties:
  - type: OpenAPI
    url: openapi/oidc-jwks-api-openapi.yml
  - type: Documentation
    url: https://openid.net/specs/openid-connect-core-1_0.html
- aid: openid-connect:oidc-session-api
  name: OIDC Session API
  description: Session management endpoints including logout.
  humanURL: https://openid.net/specs/openid-connect-core-1_0.html
  tags:
  - Sessions
  tags_raw:
  - Session
  properties:
  - type: OpenAPI
    url: openapi/oidc-session-api-openapi.yml
  - type: Documentation
    url: https://openid.net/specs/openid-connect-core-1_0.html
- aid: openid-connect:oidc-token-api
  name: OIDC Token API
  description: Token endpoint for exchanging authorization codes for tokens.
  humanURL: https://openid.net/specs/openid-connect-core-1_0.html
  tags:
  - Tokens
  tags_raw:
  - Token
  properties:
  - type: OpenAPI
    url: openapi/oidc-token-api-openapi.yml
  - type: Documentation
    url: https://openid.net/specs/openid-connect-core-1_0.html
- aid: openid-connect:oidc-user-info-api
  name: OIDC User Info API
  description: Endpoint for retrieving claims about the authenticated end-user.
  humanURL: https://openid.net/specs/openid-connect-core-1_0.html
  tags:
  - UserInfo
  tags_raw:
  - User Info
  properties:
  - type: OpenAPI
    url: openapi/oidc-user-info-api-openapi.yml
  - type: Documentation
    url: https://openid.net/specs/openid-connect-core-1_0.html
common:
- type: CapabilityMap
  url: capabilities/openid-connect-capability-edges.yml
  name: OpenID Connect Business Capability Map
- type: DomainSecurity
  url: security/openid-connect-domain-security.yml
- type: Website
  url: https://openid.net/
- type: Documentation
  url: https://openid.net/developers/specs/
- type: Reference
  url: https://openid.net/specs/openid-connect-core-1_0.html
- type: LlmsText
  url: https://openid.net/llms.txt
- url: https://openid.net/feed/
  type: Blog
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
x-type: standard

OpenID Connect API — frequently asked questions

Does OpenID Connect have an API?

Yes. APIs.io lists 6 APIs from OpenID Connect, including OIDC Authentication API, OIDC Discovery API and OIDC JWKS API, and 3 more.

Is there an OpenAPI specification for the OpenID Connect API?

Yes. APIs.io indexes 6 OpenAPI specifications for OpenID Connect, each linked for download from this page.

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