AI engineering glossary · Web APIs HTTP
What is 403 Forbidden?
403 Forbidden: The status code meaning the server understood who is calling but refuses the action because permission is lacking. Unlike 401, sending credentials again will not help; the account needs more rights.
403 Forbidden: an example
A student token calling an admin-only endpoint gets 403.
Related terms
More Web APIs HTTP terms
- 404 Not Found
- 409 Conflict
- 422 Unprocessable Content
- 429 Too Many Requests
- 500 Internal Server Error
- 502 Bad Gateway
- 503 Service Unavailable
- 504 Gateway Timeout
Where you learn it
403 Forbidden is part of the AI Engineering Program, which teaches it with notes, a hands-on lab and an exam. The first lesson is free.