Xleads Integration Setup Needed

I’ve just opened an Xleads account and need the integrations configured before I do anything else. The priority is to link Xleads with three areas of my existing tech stack so the system can work end-to-end without manual touchpoints... (Budget: $250 - $750 USD, Jobs: ActiveCampaign, API Integration, Calendly, HTML, Mailchimp, PHP, WordPress, Zapier)