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§ Private Profile · San Francisco, CA, USA
AI technology company
Based in San Francisco, California, Respan is a business-to-business infrastructure software company that develops a unified control plane providing self-driving observability, evaluations, and an adaptive gateway for artificial intelligence agents. Formerly operating under the name Keywords AI, the platform integrates production monitoring with both automated and human-in-the-loop evaluation tools to help developers trace agent behavior, surface system anomalies, and resolve operational issues. The company's technical infrastructure currently processes more than one billion logs and two trillion tokens on a monthly basis. Backed by Y Combinator as a participant in its Winter 2024 accelerator batch, the startup provides developer tools to over 100 enterprise teams and AI startups, ultimately supporting a broader network of 6.5 million end users. Operating with a remote-friendly team of 10 employees across the United States and Canada, Respan was officially launched in 2024.
Respan has raised $5.0M across 1 funding round.
Respan has raised $5.0M in total across 1 funding round.
Respan has raised $5.0M in total across 1 funding round.
Respan's investors include Gradient Ventures, Antigravity Capital, Hat Trick Capital, XIAOXIAO FUND, Y Combinator.
Respan has raised $5.0M across 1 funding round. Most recently, it raised $5.0M Seed in March 2026.
| Date | Round | Lead Investors | Other Investors | Status |
|---|---|---|---|---|
| Mar 18, 2026 | $5M Seed | Gradient Ventures | Antigravity Capital, HAT Trick Capital, Xiaoxiao Fund, Y Combinator | Announced |