# Pax > Pax (Pax AI) is a San Francisco-based AI company that automates U.S. duty drawback claims — helping importers, retailers, and manufacturers reclaim overpaid tariffs and import duties. It positions itself as the "AI Broker for Tariff Refunds" / "TurboTax for import duty rebate," automating data extraction, transaction matching, refund calculation, and electronic claim submission to U.S. Customs and Border Protection. This is an API Evangelist network profile. At enrichment time Pax exposes a live but locked-down JSON API host and no public OpenAPI, reference documentation, SDKs, or developer program. ## Company - Website: https://paxai.com/ - Blog: https://paxai.com/blog - Sector: Artificial Intelligence, Trade Finance, Customs, Duty Drawback - Headquarters: San Francisco, CA, USA - Backers: Y Combinator, Initialized Capital, General Catalyst, Flexport, Soma Capital, Basis Set Ventures ## APIs - Pax API (host): https://api.paxai.com — publicly reachable health endpoint at https://api.paxai.com/health; no public specification or docs discovered. ## Artifacts - Domain security posture: security/pax-domain-security.yml - Well-known discovery probe: well-known/pax-well-known.yml