HubSpot is a very popular CRM. You can now import and sync all your contacts including contact lists with WP-ERP CRM module as contacts and copy HubSpot lists as contact groups in CRM.
Simply upload the ZIP file from the WP Admin → Plugins → Add new → Upload plugin.
Go to the WP Admin Dashboard → WP ERP → ERP Settings → Settings → Integrations
→ Click on Configure
→ Paste or get the API key.
→ Save changes.
Go to WP Admin Dashboard → WP ERP → CRM → Hubspot.
From here you will be able to sync your contacts both ways between CRM and Hubspot. If you are freshly starting, you can also make a one time configuration bypassing the ERP settings.
Select the mode of synchronization [WP to Hubspot] or [Hubspot to WP]
Select the contact group and lists that will be synced.
press button synchronize.