OAuth Error


OAuth Error is an Result Code indicating something went wrong. (i.e. Error)

If an OAuth 2.0 request fails due to a missing, invalid, or mismatching redirect_uri, or if the OAuth Client identifier is missing or invalid, the Authorization Server SHOULD inform the Resource Owner of the error and MUST NOT automatically redirect the user-agent to the invalid Redirect URI.

If the Resource Owner denies the access Authorization Request or if the request fails for reasons other than a missing or invalid redirect_uri, the Authorization Server informs the client by adding the following parameters to the query component of the Redirect URI using the "application/x-www-form-urlencoded" format, per Appendix B

OAuth Extensions Error Registration#

OAuth Error should be registered in the OAuth Parameters Registry


A single ASCII error code from the following:

error_description OPTIONAL #

Human-readable ASCII (US-ASCII) text providing additional information, used to assist the OAuth Client developer in understanding the error that occurred.

Values MUST NOT include characters outside the set %x20-21 / %x23-5B / %x5D-7E.

error_uri OPTIONAL#

A URI identifying a human-readable web page with information about the error, used to provide the client developer with additional information about the error.


if a "state" parameter was present in the client Authorization Request. The exact value received from the client.

More Information#

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