Making API calls not through manager account

Hi All,

I have a question related to API usage. I did quite some search and found few related discussions and articles, but still don't have enough clarification, so decided to post my question.

I have an MCC acoount with developer token.

I want to make API calls to generate reports for my client's adwords account.

If I link through MCC account, I automatically get "Administrative" access to client's account, which is not acceptable to client. Even a standard access level is not acceptable as it can allow me to temper with campaigns etc.

So, how can I make API calls (read-only) and generate reports for my client without linking through MCC?

I have read about different access levels and thought it was possible through "Managed-readonly" or "Managed-standard" user roles, but I cannot figure out how to get those roles as the instructions are not clear. I have followed the instructions but only managed to gain read-only or standard access which is different from "Managed" roles.

Please help.

Thanks!

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