OAuth Playground

Build and preview a real authorization request against NIA, and see the whole flow step by step. Everything runs in your browser.

Framework (optional)Pre-fills sensible defaults for your stack.Client IDClient SecretOptional — public clients (SPA / mobile) don't use a secret.Redirect URIIssuerScopes

PKCEChallenge methodResponse type

Authorization URL

Fill in the form, then Generate the URL

OAuth flow

1
Authorization Request
Your app redirects the user to /oauth/authorize
2
User Login
The user authenticates and consents on NIA
3
Authorization Code
NIA redirects back with a one-time ?code=
4
Token Exchange
Your server posts the code to /oauth/token
5
Access Token
NIA returns access_token (+ id_token, refresh)
6
UserInfo
Call /oauth/userinfo with the Bearer token

How to use this

Pick a framework above (or arrive via a guide's “Try OAuth Flow” button) to pre-fill defaults. Generate the URL, then open it to run a real authorization request.