Respan

Self-driving observability, evals, and gateway for AI agents

by Hendrix Liu, Andy Li, Frank Chen·Developer Tools·YC Winter 2024·tracked since Sep 25, 2026
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Monthly revenue–Not shared yet
Rank–Unranked
Last 30 days–Growth in MRR
Revenue per founder–3 founders

About Respan

Respan gives teams a unified control plane to trace and evaluate agent behavior without guesswork, automatically surface issues, and fix what breaks faster. Respan connects production observability, automated and human-in-the-loop evaluations, and an adaptive AI gateway to close the loop between detection, decision, and action - so agents improve continuously in production. Respan is trusted by 100+ AI startups and enterprise teams. Today, the platform process 1B+ logs and 2T+ tokens every month, supporting more than 6.5M end users.

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Who founded Respan?

Respan was founded by Hendrix Liu, Andy Li, Frank Chen.