Be sure that you have installed the lasted version of DTN IQFeed (download here) and that you are using a partnered 3rd-party software. If so, and you are still having problems connecting to DTN IQFeed, please contact DTN IQFeed Support.
FAQ’s
What is the cost of the API license?
Please contact our Sales Department for API pricing information.
Do I need a DTN IQFeed subscription if I sign up for the API?
Yes. the API subscription does not include access to the data feed. The API subscription should be considered an add-on to the normal DTN IQFeed subscription.
How do I sign up for the API?
Register here Complete the API Developer Agreement (step 5 of the registration) and send it to DTN by fax (402-255-3788) or email (sales@iqfeed.net) Once DTN has received and process your Developer Agreement, an email will be sent to you with the registration details You can now access the SDK on the developer site (login here),