Parallel Web Systems Hits $2B Valuation — Parag Agrawal's AI Agent Infrastructure Play

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Former Twitter CEO Parag Agrawal's AI agent-tool startup Parallel Web Systems raised a $100M Series B led by Sequoia at a $2B valuation, more than doubling its Series A valuation from five months prior. The company builds programmatic web infrastructure — APIs for searching, extracting, monitoring, and performing tasks online — specifically for AI agents. Parallel has amassed 100K+ developers since launching in early 2024, with $230M total raised.