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Unbound Documentation

Status: Draft Last Updated: 2026-06-15 Audience: customer

Unbound is the backend that lets your product give end users a way to connect their personal data — email, calendar, messages, contacts, and files — and then query that data through a single, privacy-first API.

You bring the application; Unbound handles the hard parts: a drop-in connect experience for your users, secure ingestion and sync from each source, identity resolution across platforms, and a fast, unified API your services can call. Your users authorize once, and the data stays scoped to exactly what they granted.

What you can build

  • Context-aware assistants that understand who a user talked to, what was discussed, and what’s on their calendar.
  • Unified search and timelines that span every connected source instead of one app at a time.
  • Automations and dashboards powered by a clean, queryable view of a user’s digital life.

Where to go next

Get started

  • Quickstart — Go from credentials to your first query in a handful of requests.

Integrate Connect

The API

  • Authentication — Tokens, scopes, and how requests are authorized.
  • Authorization Flow — Exchange a user’s consent for an end-user token.
  • Data API — Query a user’s connected data.
  • Management API — Manage connections, grants, and account state.
  • Webhooks — React to sync, connection, and data events.

Concepts

  • Concepts — The core model: identities, people, conversations, and grants.
  • Data Sources — Supported sources and what each one provides.

Trust