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.
- We have followed the below https://devdocs.magento.com/guides/m1x/api/rest/authentication/oauth_authentication.html
- In oauth we can able to procedd first two api
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
