Reading Auth Documentation
5 exercises on reading API authentication docs — interpret OAuth2 flows, bearer tokens, scopes, token expiry, refresh tokens and API-key rules.
Key patterns
Authorization: Bearer <token>— the standard way to send a token- OAuth2 code flow: code → exchange → access_token + refresh_token
- Scopes are fine-grained permissions; missing one returns
403 - Short-lived access tokens are renewed with a long-lived refresh token
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Read this authentication note:
Authentication Every request must include a bearer token in the Authorization header: Authorization: Bearer <access_token> Requests without a valid token receive 401 Unauthorized.How must the client send the token?
Bearer tokens travel in the
The documented format is
Authorization header.The documented format is
Authorization: Bearer <access_token> — the header name is Authorization, the scheme keyword is Bearer, then a space, then the token.- Bearer token — "whoever bears (holds) this token is granted access", so it must be sent securely over HTTPS.
- The literal word
Bearerand the single space are required;Authorization: <token>without the scheme is usually rejected.
401).