1- Go to your Settings in LionDesk.
2- Go to "3rd Party Integrations"
3- Next to lead source you want click on the Button "Enable" to get the API Key and copy it.
4- Log into your Listing 2 Leads account here. Then select "Log In" in the upper right hand corner.
5- Enter your API key in the designated area in Listing 2 Leads.
**for information regarding where to place the API key or your unique LionDesk email in your lead source, please contact support of the lead source.**