Hi there, 

I'm trying to create a campaign using the APIs and following step by step this documentation https://www.zoho.com/campaigns/help/developers/create-campaign.html, but I have an 1007 error Unauthorized request.

I created (I'm using PHP) the code to find access token and the refresh token as documentation said with POST request; after that I used the getmailinglists GET request to find the JSON for the  'list_details' parameter ( mandatory to create the campaign).

Now I'd like to create the campaign. here my code:

1. // CREATE CAMPAIGN:
   
2. $access_token = 1000.xxxxxxxxxxxxxxxxxxxxx ;
   
3. $headers = array("Content-Type: application/x-www-form-urlencoded",
                       "Authorization: Zoho-oauthtoken $access_token");
   
   
   
4. $list_details = '{"code":"0","uri":"/api/getmailinglists","version":"1",
   "list_of_details":[{"date":"20 Feb 2018, 05:30 PM","deletable":"true","segments":{},"listdesc":"","list_created_time":"00:30 PM","noofunsubcnt":"0","lockstatus":"unlocked",
   "listkey":"xxxxxxxxxxx","sentcnt":"1","owner":"Name Surname","list_campaigns_count":"1","created_time":"1519173003000",
   "noofcontacts":"4","editable":"true","listname":"Test","listdgs":"xxxxxxxxxx",
   "noofbouncecnt":"0","issmart":"false","list_created_date":"20 Feb 2018","listnotifications":"[]","listunino":"xxxxxxxxxx","zuid":"xxxxxxxx","servicetype":"1","sno":"2",
   "is_public":"false","otherslist":"false","zx":"12698717a"}],"requestdetails":{"fromindex":1,"range":20,"total_list_count":1,"sort":"Recently Created"},"status":"success"}';
      
5. $args = array(
           'campaignname' => 'New newsletter',
           'from_email' => 'name@mail.it',
           'subject' => 'test html',
           'content_url' => 'https://www.mysite.it/zoho/campaign.html',
           'list_details' => $list_details
       );
   
       $curl_campaign = curl_init();
       curl_setopt($curl_campaign, CURLOPT_URL,"https://campaigns.zoho.eu/api/v1.1/createCampaign");
       curl_setopt($curl_campaign, CURLOPT_RETURNTRANSFER,true);
       curl_setopt($curl_campaign, CURLOPT_HEADER, $headers);
       curl_setopt($curl_campaign, CURLOPT_POST, true);
       curl_setopt($curl_campaign, CURLOPT_POSTFIELDS,$args);
       $result_campaign = curl_exec($curl_campaign);
       curl_close($curl_campaign);
   
       echo $result_campaign;
   
   }
   

Why I still having the 1007 error?

I hope for a quick response,
thanks
Alessandra