cURL error 28 Post date Home › Forums › Calendar Products › Event Aggregator › cURL error 28 This topic has 3 replies, 2 voices, and was last updated 5 years, 6 months ago by Support Droid. Viewing 1 post (of 1 total) Author Posts September 14, 2018 at 2:48 am #1621731 Support DroidKeymaster This support thread is private. Author Posts Viewing 1 post (of 1 total) The topic ‘cURL error 28’ is closed to new replies. → Please verify your API key is correctly entered on the settings