Getting Exception related twitter ad api


When I called api
with header as Authorization= OAuth oauth_consumer_key="",oauth_token="",oauth_signature_method=“HMAC-SHA1”,oauth_timestamp=“1492681041”,oauth_nonce=“BtW6c4”,oauth_version=“1.0”,oauth_signature=""
but I got exception
“errors”: [
“message”: “The client application making this request does not have access to this API”
“request”: {
“params”: {}
please guide me what is the reason and how i can handle this.


Hi, can you confirm my application id is 13687076. We have sent request to the api but I still have this error - “code”:“UNAUTHORIZED_CLIENT_APPLICATION”,"message… "
Pls provide me solution ASAP.because my project have dead line but still i m not able to do this.