Claude API / OpenRouter
Required. Powers Ultron’s AI brain.
Apollo.io
Verified lead data and email addresses.
Google Workspace
Send emails, schedule meetings, create docs.
Apify
Deep social media scraping and data extraction.
ZeroBounce
Email deliverability verification.
N8N / Make / Zapier
Automation workflow engines for agents.
Stripe
Payment processing for selling agents.
HubSpot
CRM sync and contact management.
Notion
Documentation and knowledge base sync.