Login.gov Discovery API

OIDC discovery and public key endpoints.

Documentation GitHub OpenAPI

Operations 2

2 of 2 operations are conformant: apis.io called them with no credentials and the responses matched this contract. Checked 2026-11-12. how this works · status file

GET /.well-known/openid-configuration Get OIDC Discovery Document conformant #

GET /api/openid_connect/certs Get JWKS Signing Keys conformant #

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OpenAPI Specification

openapi: 3.2.0
info:
  title: Login.gov OpenID Connect Discovery API
  version: 2026-01
  description: Login.gov is the U.S.
  contact:
    name: Login.gov Partner Support
    url: https://developers.login.gov
    email: partners@login.gov
  license:
    name: Public Domain (U.S. Government Work)
    url: https://www.usa.gov/government-works
servers:
- url: https://idp.int.identitysandbox.gov
  description: Sandbox (integration) environment
- url: https://secure.login.gov
  description: Production environment
tags:
- name: Discovery
  description: OIDC discovery and public key endpoints.
paths:
  /.well-known/openid-configuration:
    get:
      tags:
      - Discovery
      summary: Get OIDC Discovery Document
      operationId: getOpenidConfiguration
      description: Returns the OpenID Connect discovery document listing supported endpoints, scopes, response types, claims, and acr_values.
      responses:
        '200':
          description: Discovery metadata.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/DiscoveryDocument'
  /api/openid_connect/certs:
    get:
      tags:
      - Discovery
      summary: Get JWKS Signing Keys
      operationId: getJwks
      description: Returns Login.gov's public signing key(s) in JWK Set format. Keys are rotated at least annually; clients should fetch dynamically rather than hard-coding.
      responses:
        '200':
          description: JSON Web Key Set.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/JwkSet'
components:
  schemas:
    Jwk:
      type: object
      properties:
        kty:
          type: string
          example: RSA
        kid:
          type: string
        use:
          type: string
          example: sig
        alg:
          type: string
          example: RS256
        n:
          type: string
        e:
          type: string
    DiscoveryDocument:
      type: object
      properties:
        issuer:
          type: string
          example: https://idp.int.identitysandbox.gov
        authorization_endpoint:
          type: string
          format: uri
        token_endpoint:
          type: string
          format: uri
        userinfo_endpoint:
          type: string
          format: uri
        end_session_endpoint:
          type: string
          format: uri
        jwks_uri:
          type: string
          format: uri
        scopes_supported:
          type: array
          items:
            type: string
        response_types_supported:
          type: array
          items:
            type: string
        acr_values_supported:
          type: array
          items:
            type: string
        token_endpoint_auth_methods_supported:
          type: array
          items:
            type: string
        id_token_signing_alg_values_supported:
          type: array
          items:
            type: string
        subject_types_supported:
          type: array
          items:
            type: string
        claims_supported:
          type: array
          items:
            type: string
    JwkSet:
      type: object
      properties:
        keys:
          type: array
          items:
            $ref: '#/components/schemas/Jwk'
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: opaque

Login.gov Discovery API

Operations 2

Documentation

Specifications

Schemas & Data

Other Resources