User API: access by authorization code doesn't work

Open edX koa-1.0
I add the application by /api-admin/. I gave access for app and configure this in django-admin. I set “Authorization grand type” to “authorization_code” in OAUTH2_Toolkit (my app works by this). App got auth token, but it didn’t works. Apache returns 401 for request to /api/user/v1/accounts. I need to configure auth from edX in my app. How can i give access to API by authorization_code?
Regards