About

Built quietly. Built for reality.

extn.ai turns real-world services into actions AI agents can request, confirm, track, and complete: structured, observable, and ready for production.

01 — ManifestoMFST.01

We don't sell magic.

We build infrastructure that compounds: clean schemas, honest SDKs, confirmation flows, audit trails, and SLAs you can hand to procurement. AI agents do not become useful because they sound fluent. They become useful when they can act, recover, ask for approval, and leave a trace.

02 — SnapshotSNAP.02

Company snapshot

extn.ai builds the connective layer for payments, delivery, trading, alerts, content checks, and other real-world actions agents must handle before they are useful.

2025
Founded
Seoul, Korea
Location
Agent Infrastructure
Core Focus
Engineers, builders, operators
Team
03 — ApproachAPR.03

How we build

Three rules that shape every API call we ship.

01

Automation with judgment

The machine handles repeatable work. Humans stay close to exceptions, approvals, and sensitive moments.

02

Security before sparkle

Authentication, audit trails, and partner boundaries are treated as product requirements, not paperwork.

03

Scale without drama

Start with one action flow, then add volume, teams, and integrations without changing the mental model.

Ready to give agents real actions?