1. How to add an API key?
2. Click the ADD button
3. In API name, enter a name for your key
4. Then fill in the API key and Secret key fields
5. We will get this data from Binance. Go to Binance
6. Click the icon at the top. Then at the bottom click SubAccounts
7. Then click the Create SubAccount button
8. Select a virtual email
9. Give it a name, for example Nextra top
10. Click Create
11. As you can see, our Nextra top has been created at the top
12. Then go to API Management
13. Here click Create API at the top right
14. Click NEXT
15. Then select our name Nextra top
16. Give it a name
17. Click the Next button
18. Then confirm
19. As you can see, an API key has been created
20. At the bottom we need to add an IP address we trust. To do this, go to our site nextra.top
21. Click the Copy IP address button
22. Then return to Binance
23. Paste (CTRL+V) the IP address. Click Confirm
24. Then we can enable Spot and Margin trading. Check this box
25. Then click Save
26. Confirm via authenticator
27. Then confirm via email
28. Now copy the API key. Click Copy. Go to our site
29. In API key paste (CTRL+V) the key
30. Then return to Binance and copy the secret key. Select it, press CTRL+C and return to nextra.top
31. Click the Secret Key field and paste with CTRL+V
32. Check the box and agree to the terms
33. Click the NEXT button

As you can see, an API key has been created that you can manage.