Complete guide to creating and configuring a HubSpot OAuth application
https://api.klavis.ai/oauth/hubspot/callback
account-info.security.read, accounting, cms.domains.read, cms.domains.write, crm.export, crm.import, crm.lists.read, crm.lists.write, crm.objects.companies.read, crm.objects.companies.write, crm.objects.contacts.read, crm.objects.contacts.write, crm.objects.deals.read, crm.objects.deals.write, crm.objects.marketing_events.read, crm.objects.marketing_events.write, crm.objects.owners.read, crm.objects.quotes.read, crm.objects.quotes.write, crm.schemas.companies.read, crm.schemas.companies.write, crm.schemas.contacts.read, crm.schemas.contacts.write, oauth, settings.users.read, settings.users.write, tickets, timeline, e-commerce, crm.objects.custom.read, crm.schemas.custom.read, content, sales-email-read
https://api.klavis.ai/oauth/hubspot/callback
or your custom callback URL