Lightsage Raises $4M Led by Nexus to Build the Growth Stack for AI Agents
Lightsage has raised a $4 million seed round led by Nexus Venture Partners, with operator angels from Salesforce, Postman, Apollo, DocuSign, GitLab, Resend.
In June 2026, Cloudflare reported that machines were generating the majority of requests to web pages, with 57.5% of traffic coming from automated sources, compared to 42.5% from human users. This trend was further illustrated by the impressive revenue growth of AI coding agents: Cursor achieved $2 billion in annualized revenue after just four years, and Claude Code reached $2.5 billion nine months after its launch.
These developments signal a new type of software customer - one that processes documentation at machine speed, chooses libraries without visiting vendors' websites, and installs SDKs and authenticates before a human even has a chance to look away from the terminal.
Recognizing this shift, Lightsage has raised $4 million in seed funding led by Nexus Venture Partners. The round brings together industry veterans such as Steven Tamm (former Salesforce CTO), Abhinav Asthana (Postman CEO), Matt Curl (Apollo CEO), Robert Chatwani (DocuSign President and GM of Growth), Hila Qu (former GitLab Head of Growth), Zeno Rocha (Resend CEO), Eric Ciarla (Resend co-founder), Ivan Burazin (Daytona CEO), Adam Frankl (Tinyfish COO), and Adam Frankl.
The capital will be used to develop "Agent-Led Growth," a concept that aims to drive AI agent adoption in the same way product-led growth transformed human buyer acquisition.
Agent-Led Growth represents a new approach to software marketing, one that mirrors the success of product-led growth for human customers. By focusing on the agent's journey - from discovering a product to successfully using it - Lightsage aims to capture revenue that is currently invisible to traditional marketing analytics. This shift in focus comes as automated traffic now accounts for the majority of web page requests, with AI crawlers responsible for 20.3% of verified bot traffic and AI search bots contributing an additional 6.5%.
The rise of these AI systems is projected to grow exponentially, with some experts estimating a 7,851% increase in agentic traffic within a year.
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