Opennote is a one-stop platform for learning and knowledge creation. It lets users write, learn, and connect ideas within a single interface. With over 60,000 learners worldwide, Opennote is rethinking how people work by merging writing, ideating, and learning into a single continuous platform.

Students and professionals alike end up with isolated fragments of knowledge across Google Docs, Notion, and ChatGPT rather than developing a genuine understanding. Opennote solves this by creating a unified space where writing, researching, and learning happen together, allowing ideas to build naturally without the friction of constant app-switching.

The Problem: Endless App Switching Kills Flow

Before integrations, users constantly bounced between apps to find notes, research, or references. This “app-jumping” disrupted focus and made learning feel fragmented. The Opennote team wanted to eliminate context switching entirely by keeping everything in one place.

But building native integrations for every tool wasn’t realistic. Implementing OAuth manually for Notion alone took over 10 hours, and each new integration meant more token handling, maintenance, and API complexity. The team needed a faster, scalable solution that didn’t drain engineering time or distract from product innovation.

The Search for the Right AI-native Integration Platform

Opennote evaluated several ways to connect to third-party tools but quickly ran into roadblocks. Manual implementations were brittle and time-consuming, and off-the-shelf SDKs lacked flexibility for LLM specific use cases.

The key requirement was simple: a reliable, developer-friendly AI-native integration layer with automatic token management. The platform needed to let users connect apps like Notion or Google Drive without leaving the Opennote interface, and it had to feel instant and invisible.

After testing multiple options, Opennote chose Composio. The decision came down to one thing: simplicity. With Composio’s managed OAuth, the team could authenticate users, pull their content, and populate Opennote’s knowledge base, all without writing complex backend logic.

Opennote built a custom knowledge layer on top of Composio’s integration framework. Here’s how it works behind the scenes:

1. User Authentication: Users authenticate Google or Notion through Composio’s OAuth flow.

2. Data Sync: Opennote’s integration server fetches relevant files and notes using Composio’s prebuilt tools and adds it to their search infrastructure.

3. Knowledge Base Population: Synced information automatically appears in the user’s knowledge base inside Opennote, and can be searched by Opennote’s AI agents.

4. Continuous Updates: Composio triggers automatic updates whenever new content is added or changed.

Users never have to leave Opennote or reauthenticate manually. Context stays loaded, and learning stays uninterrupted.

Outcome: “Magic Moments” drove Adoption

The payoff was immediate. They saw that, among users who connected integrations, engagement and retention skyrocketed. The moment when a learner opens Opennote and finds their ideas already organised, their context remembered, and their tools working seamlessly together becomes priceless. This was the "Aha" moment for Opennote's learners.

A lot of students tell us that the moment their connected tools start talking to each other inside Opennote feels almost magical. The agent just knows them, and it has immensely helped in keeping new users on the platform.
— Abhi Arya, Co-founder, Opennote

By saving days of engineering time and removing maintenance overhead, the team could focus on what really matters: building better learning experiences.

What’s Next

Opennote is now extending its platform to broader use cases, planning launches of cross-platform apps, and expanding the integrations it offers. By partnering with Composio, Opennote vastly improved platform engagement and dedicated resources to building features that matter to our users.