FreeKey - using API without registration May 21, 2020 11:58 Updated Free API-Key is freekey Freekey helps to easily start developing your project. It's not recommended to use freekey in a product mode. Learn how to get your personal API key here (it's also free!) Related articles How to get a personal key for Ethplorer API How much the Ethplorer API costs Where is the manual for Ethplorer API? API Keys Limits 2FA code is not correct, what to do? Comments 0 comments Please sign in to leave a comment.