Go to "Profile" -> "API Token"-> "Create New Token", fill out the API key access and 2FA to get the Access Key.
The full list of api functions can be found on Swagger (https://lucent.exchange/swagger?url=%2Fapi%2Fv2%2Fswagger#/) after you input your access key. You can explore all the options available for the API.
Note that we do not support withdrawals via API.
If you need more info on the API, please contact us via telegram or support email.