Why Am I Seeing the Error Message "Incorrect IAM authentication information" When I Call an API?

You may encounter the following errors related to IAM authentication information:

Incorrect IAM authentication information: AK access failed to reach the limit,forbidden

{    
  "error_msg": "Incorrect IAM authentication information: AK access failed to reach the limit,forbidden." ......   
  "error_code": "APIG.0301", 
  "request_id": "******" 
}

Possible Causes

The AK and SK do not match. Check whether the SK is correct.
AK/SK authentication fails for more than five consecutive times, and the AK/SK pair is locked for five minutes. (Authentication requests are rejected within this period). Try again 5 minutes later.
An expired token is used for token authentication. Obtain a new token.

Solution

Check whether the SK is correct.
Try again 5 minutes later.
Obtain a new token.

Incorrect IAM authentication information: decrypt token fail

{
  "error_msg": "Incorrect IAM authentication information: decrypt token fail",
  "error_code": "APIG.0301",
  "request_id": "******"
}

Possible Cause

The token cannot be parsed for IAM authentication of the API.

Solution

Check whether the obtained token is the token of the corresponding IAM account.
Check whether the token is correct.
Check whether the token has been obtained in the environment where the API is called.

Incorrect IAM authentication information: Get secretKey failed

{
"error_msg": "Incorrect IAM authentication information: Get secretKey failed,ak:******,err:ak not exist",
"error_code": "APIG.0301",
"request_id": "******"
}

Possible Cause

The AK used for IAM authentication of the API does not exist.

Solution

Check whether the AK is correct.

Parent topic: Calling APIs

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