2. What are the requirements to use the ADDX Open-API? July 01, 2021 03:59 Updated The ADDX Open API is only accessible to active users on the ADDX platform. Related articles 3. Do I need to apply beforehand or submit documentation to create an API? 1. What is the ADDX Open-API? Who is it for? 15. Will my investments be protected if ADDX shuts down? 6. What are the trading fees chargeable to me? 9. What is the API expiration policy and why is it needed? Comments 0 comments Please sign in to leave a comment.