Investing in Composio: Building the Learning Layer for Agentic AI

At Together Fund, our mission has always been to back ambitious founders building foundational infrastructure for the future. When we met Soham Ganatra and Karan Vaidya in 2023, they weren’t chasing hype—they were quietly architecting what we now believe is the missing layer in the AI agent revolution: the ability for software to learn from experience.

Today, we’re excited to double down in Composio’s $25M Series A led by Lightspeed Venture Partners, with participation from Guillermo Rauch (Vercel), Dharmesh Shah (HubSpot), Gokul Rajaram, Soham Mazumdar (Rubrik), and others. Together Fund had the privilege of co-leading Composio’s $4M seed round alongside Elevation Capital, and we’re thrilled to continue backing the team as they scale. With this new raise, the company has now secured $29M in total funding.

This milestone validates what we saw early on: Composio is not just solving integration—it’s building the skill layer for AI agents to become truly useful.

From Integration to Intelligence

Our AI infra thesis is rooted in a simple but profound idea: for AI agents to operate autonomously in enterprise workflows, they need more than APIs—they need memory, context, and the ability to get better over time.

Most AI agents today are impressive demos. But once deployed in the real world, they hit a wall. They lack the capacity to learn from mistakes, adapt to edge cases, or develop intuitive understanding—the very traits that make human workers invaluable.

Soham, Karan, and the Composio team are solving this limitation at the infrastructure level. Their platform doesn’t just connect agents to Salesforce, GitHub, or Supabase—it allows agents to share experience. If one agent learns how to handle a tricky GitHub permission issue, that knowledge becomes available to every other agent in the ecosystem.

It’s a network effect for agentic learning—and a radically new foundation for AI.

Why We Backed Composio Early

We met Composio before agentic AI became the buzzword it is today. The founders had already started solving complex enterprise problems: multi-agent orchestration, reliable authentication, and edge-case handling. What stood out was their clarity: they weren’t just building tooling, they were laying the groundwork for AI systems that evolve.

At Together Fund, we love backing founders who start with deep technical insight and a long-term vision. Soham and Karan are that kind of team.

Since our seed investment, Composio has scaled massively. Today, over 100,000 developers use the platform. It powers production-grade AI workflows at over 200 companies, including fast-growing teams like Glean, April, OpenNote, and Altera. The company is already generating seven-figure revenue, a rare feat at this stage for infra-first startups.

Composio’s Big Leap: AI That Actually Learns

What sets Composio apart now is its focus on reinforcement learning at the infra level. Traditional AI agents remain static—even after hundreds of interactions. Composio fixes that by enabling agents to develop skills that improve through use, just like humans.

This shift is critical. It transforms AI from being reactive and brittle to becoming adaptive and reliable. Agents can build context, learn from prior mistakes, and make nuanced decisions. As developers, this means you’re not starting from scratch—you’re standing on the shoulders of what thousands of agents have already learned.

With seamless integrations across frameworks like OpenAI Agents, Vercel AI SDK, LangChain, and MCP, Composio is truly infrastructure-agnostic. It’s becoming the skill memory layer across the entire agentic ecosystem.

Why This Matters—Especially for India

As I wrote in “Dukaandari to Deep Tech”, India must move beyond app-building and transactional platforms to creating deep, enduring infrastructure. Composio represents that shift. It’s engineering-first, developer-focused, and globally relevant.

This is the kind of company India needs to build—and the kind of team we’re proud to support from Day 0.

Looking Ahead

With the new funding, Composio is doubling down on:

• Expanding its catalog of skills and connectors
• Deepening its learning infrastructure
• Enhancing observability, governance, and compliance
• Scaling GTM in the US and globally

But the real promise lies in what this enables for the AI ecosystem: agents that don’t just work—but grow in expertise.

That’s a future worth building. And we’re honored to be on this journey with Composio.