Can't get Data from Auction Insights

[kokoro_lee]

Hi Twitter!
I have 2 question:

1. Error when get data from API

I was make request to this link

https://ads-api.twitter.com/4/accounts/xxx/auction_insights?oauth_consumer_key=xxx&oauth_token=xxx&oauth_signature_method=HMAC-SHA1&oauth_timestamp=1538628018&oauth_nonce=A0CT8p&oauth_version=1.0&oauth_signature=xxx

and I recieved error:

{
    "errors": [
        {
            "code": "UNAUTHORIZED_CLIENT_APPLICATION",
            "message": "The client application making this request does not have access to Twitter Ads API"
        }
    ],
    "request": {
        "params": {}
    }
}

My appID: 15072645 has been approve for development.
How to get permission for this url?

2. How to get Data from API

I want to get statics data from my campaign such as:

twitter_id
twitter_text
impressions
clicks
spend
results
results_type
media_engagements
retweets
replies
follows
card_engagements
qualified_impressions
tweet_engagements
media_views
likes
app_clicks
leads
link_clicks
video_completions
video_call_to_action
video_played_25
video_played_50
video_played_75
video_starts
video_views
purchase 

Thanks!!