1. Please log in your Binance account with a secure network environment. https://www.binance.com/
2. Click【API Management】
3. After that, please set up the corresponding API name, click 【Create】
4. Fill in the “Google authentication code” or “SMS authentication code”.
5. Once you pass the authentication, our system will send the confirmation mail to your registered mailbox. Please click 【Confirm create】to make the confirmation for the new API creation. If you may not receive any from our system, please refer to below article for more information: https://binance.zendesk.com/hc/en-us/articles/360000444531
6. Store your Secret Key somewhere safe. It will not be shown again. Meanwhile due to security reason, please bear in mind that does not share this page to anyone. (If you forget the Secret Key some day，we may not help you to find it back. The Only solution is to delete the API then re-create a new one.)
For more details:https://github.com/binance-exchange/binance-official-api-docs