Using multiple API keys has several benefits, such as:
The number of API keys that you can generate and use simultaneously depends upon the verification level of your account. The maximum number of API keys per account type are as follows:
|Verification level||Number of API keys|
Note that API keys can be created/edited/deleted as often as necessary, but a key's public/private values will only be shown once during the initial creation (it is not possible to retrieve an API key's public/private values when editing a key's permissions, for example).