Getting Un-authentication error with correct access code

For Workes & Pages, what is the name of the domain?

https://api.cloudflare.com/client/v4/zones/{zone_id}/access/groups

What is the error number?

400

What is the error message?

“message”: “Authentication error”

What is the issue or error you’re encountering

Api token is correct & working with https://api.cloudflare.com/client/v4/user/tokens/verify endpoint while giving unauthentication error when I’m trying to hit: https://api.cloudflare.com/client/v4/zones/{zone_id}/access/groups

What steps have you taken to resolve the issue?

tried different combinations of adding email, keys, adding Authorisation headers but nothing worked.