The API documentation has the braces in the code examples so I wasn't sure. Tried it both ways however with the same result,   string(59) "{"error_key":"unauthorized","error_message":"Unauthorized"}"   https://v3.developer.constantcontact.com/api_guide/contacts_create.html ... View more

curl_setopt( $ch , CURLOPT_URL , $base ) ; curl_setopt( $ch , CURLOPT_HTTPHEADER , array ( 'accept' => 'application/json' )) ; curl_setopt( $ch , CURLOPT_HTTPHEADER , array ( 'authorization' => 'Bearer {' .$ access_token . '}' )) ; curl_setopt( $ch , CURLOPT_HTTPHEADER , array ( 'cache-control' => 'no-cache' )) ; curl_setopt( $ch , CURLOPT_HTTPHEADER , array ( 'content-type' => 'application/json' )) ; curl_setopt( $ch , CURLOPT_POST , true ) ; curl_setopt( $ch , CURLOPT_POSTFIELDS , $data ) ; curl_setopt( $ch , CURLOPT_RETURNTRANSFER , true ) ; ... View more