post https://api.atlar.com/iam/v2beta/oauth2/token
This endpoint is an OAuth 2.0 token endpoint and can be used by a client to obtain an access token.
Use programmatic access user credentials as OAuth 2.0 client credentials.
Use the access key as client identifier (client_id).
Use the secret as client password (client_secret).
This endpoint supports authentication using HTTP Basic auth.
This endpoint only supports the OAuth 2.0 client credentials grant type.