unauthorized client

[gau...@iflair.com]

Hi,

I am getting below error, can any one let me know where i am wrong.

An error has occurred: { "error" : "unauthorized_client" }

Thanks

[Danial Klimkin]

Hello,

This error means you are using a different client ID than the one that the refresh token was generated with.

Refresh token is limited to a single OAuth client registration.

-Danial, AdWords API Team.