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Magento 1.9 authentication token issue

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Magento 1.9 authentication token issue

Hi,

We are trying to access magento 1.9 API oauth/token authentication API, but we are getting below issue, please help us to resolve.

 

Error response : oauth_problem=signature_invalid

Response code : 401 unauthorized.

 

We have followed below steps.

          1) /oauth/initiate - this endpoint is used for retrieving the Request Token.
          2) /oauth/authorize - this endpoint is used for user authorization (Customer).

 

        But for third step unable to get access token

 

  • 3) /oauth/token - this endpoint is used for retrieving the Access Token.

           Getting below error

                 oauth_problem=signature_invalid

 

Reference screenshot

Screenshot from 2020-04-01 16-11-31.png