| AuthApiError | Error returned directly from the GoTrue REST API. |
| AuthError | Base error thrown by Supabase Auth helpers. |
| AuthImplicitGrantRedirectError | Error thrown when implicit grant redirects contain an error. |
| AuthInvalidCredentialsError | Error thrown when email/password credentials are invalid. |
| AuthInvalidJwtError | Error thrown when a JWT cannot be verified or parsed. |
| AuthInvalidTokenResponseError | Error thrown when the token response is malformed. |
| AuthPKCECodeVerifierMissingError | Error thrown when the PKCE code verifier is not found in storage. This typically happens when the auth flow was initiated in a different browser, device, or the storage was cleared. |
| AuthPKCEGrantCodeExchangeError | Error thrown during PKCE code exchanges. |
| AuthRetryableFetchError | Error thrown when a transient fetch issue occurs. |
| AuthSessionMissingError | Error thrown when an operation requires a session but none is present. |
| AuthUnknownError | Wraps non-standard errors so callers can inspect the root cause. |
| AuthWeakPasswordError | Error thrown when a supplied password is considered weak. |
| CustomAuthError | Flexible error class used to create named auth errors at runtime. |