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GET
/
authorize
Initiate User Authentication
curl --request GET \
  --url https://signin.altostrat.io/authorize

Query Parameters

​
response_type
enum<string>
required

Specifies the response type. code is used for the Authorization Code Flow.

Available options:
code,
token,
id_token,
code token,
code id_token,
token id_token,
code token id_token
​
client_id
string
required

The application's unique identifier.

​
redirect_uri
string<uri>
required

The URL to which the user is redirected after authentication. Must be an allowed callback URL.

​
scope
string
required

A space-separated list of permissions. offline_access is required to receive a refresh token.

​
state
string
required

An opaque value used to prevent CSRF attacks.

​
code_challenge
string
required

The Base64-URL-encoded hash of the code_verifier.

​
code_challenge_method
enum<string>
required

The method used to generate the challenge. S256 is recommended.

Available options:
S256,
plain

Response

302

Redirects the user to the Altostrat login page. After success, redirects back to the redirect_uri.