Openid-configuration is a standard endpoint that returns configuration metadata in terms of key properties of the OIDC Provider.
Overview

URL	`https://<`oidc-baseurl`>/.well-known/openid-configuration`
Request	GET without any parameters
Authentication	None
Success response	200 OK with JSON structure according to standard.
Error reponse	Applicable http error code
Example	See below
Example

The following example shows a request / response pair for the openid-configuration endpoint.
Request / Response

GET /auth/realms/current/.well-known/openid-configuration HTTP/1.1
Host: auth.current.bankid.no
User-Agent: curl/7.64.1
Accept: */*

HTTP/1.1 200 OK
Date: Wed, 18 Aug 2021 10:26:35 GMT
Server: web
Cache-Control: no-cache, must-revalidate, no-transform, no-store
X-XSS-Protection: 1; mode=block
Referrer-Policy: no-referrer
Strict-Transport-Security: max-age=31536000
X-Content-Type-Options: nosniff
Content-Type: application/json
Content-Length: 3000

{
    "issuer": "https://auth.current.bankid.no/auth/realms/current",
    "authorization_endpoint": "https://auth.current.bankid.no/auth/realms/current/precheck/auth",
    "token_endpoint": "https://auth.current.bankid.no/auth/realms/current/protocol/openid-connect/token",
    "token_introspection_endpoint": "https://auth.current.bankid.no/auth/realms/current/protocol/openid-connect/token/introspect",
    "userinfo_endpoint": "https://userinfo.current.bankid.no/userinfo",
    "end_session_endpoint": "https://auth.current.bankid.no/auth/realms/current/protocol/openid-connect/logout",
    "jwks_uri": "https://auth.current.bankid.no/auth/realms/current/protocol/openid-connect/certs",
    "check_session_iframe": "https://auth.current.bankid.no/auth/realms/current/protocol/openid-connect/login-status-iframe.html",
    "grant_types_supported": [
        "authorization_code",
        "implicit",
        "refresh_token",
        "password",
        "client_credentials"
    ],
    "response_types_supported": [
        "code",
        "none",
        "id_token",
        "token",
        "id_token token",
        "code id_token",
        "code token",
        "code id_token token"
    ],
    "subject_types_supported": [
        "public",
        "pairwise"
    ],
    "id_token_signing_alg_values_supported": [
        "PS384",
        "ES384",
        "RS384",
        "HS256",
        "HS512",
        "ES256",
        "RS256",
        "HS384",
        "ES512",
        "PS256",
        "PS512",
        "RS512"
    ],
    "id_token_encryption_alg_values_supported": [
        "RSA-OAEP",
        "RSA1_5"
    ],
    "id_token_encryption_enc_values_supported": [
        "A128GCM",
        "A128CBC-HS256"
    ],
    "userinfo_signing_alg_values_supported": [
        "RS256"
    ],
    "request_object_signing_alg_values_supported": [
        "PS384",
        "ES384",
        "RS384",
        "HS256",
        "HS512",
        "ES256",
        "RS256",
        "HS384",
        "ES512",
        "PS256",
        "PS512",
        "RS512",
        "none"
    ],
    "response_modes_supported": [
        "query",
        "fragment",
        "form_post"
    ],
    "token_endpoint_auth_methods_supported": [
        "private_key_jwt",
        "client_secret_basic",
        "client_secret_post",
        "tls_client_auth",
        "client_secret_jwt"
    ],
    "token_endpoint_auth_signing_alg_values_supported": [
        "PS384",
        "ES384",
        "RS384",
        "HS256",
        "HS512",
        "ES256",
        "RS256",
        "HS384",
        "ES512",
        "PS256",
        "PS512",
        "RS512"
    ],
    "claims_supported": [
        "at_hash",
        "birthdate",
        "bankid_altsub",
        "given_name",
        "nonce",
        "acr",
        "c_hash",
        "updated_at",
        "nnin_altsub",
        "auth_time",
        "name",
        "session_state",
        "family_name",
        "sub",
        "amr",
        "iss",
        "typ",
        "aud",
        "nbf",
        "azp",
        "exp",
        "iat",
        "jti",
        "realm_access",
        "resource_access"
    ],
    "claim_types_supported": [
        "normal"
    ],
    "claims_parameter_supported": false,
    "scopes_supported": [
        "openid",
        "profile",
        "address",
        "email",
        "phone",
        "nnin_altsub",
        "nnin",
        "sign",
        "signdoc/read_write",
        "fraud-data-rs/GetSecurityData",
        "aml_person/basic"
    ],
    "request_parameter_supported": true,
    "request_uri_parameter_supported": true,
    "code_challenge_methods_supported": [
        "plain",
        "S256"
    ],
    "tls_client_certificate_bound_access_tokens": true,
    "introspection_endpoint": "https://auth.current.bankid.no/auth/realms/current/protocol/openid-connect/token/introspect",
    "fraud-data-baseurl": "https://frauddata-rs-current.bankidapis.no/",
    "release": "2021-08",
    "signdoc-baseurl": "https://signdoc-rs-current.bankidapis.no/",
    "ui_locales_supported": [
        "nb",
        "no",
        "en"
    ],
    "aml-baseurl": "https://aml-current.bankidapis.no/",
    "jwks_uri_enc": "https://auth.current.bankid.no/auth/realms/current/encryption/keys"
}