AI infrastructure

Respan

Website
Founded 2023Origin source ↗Checked 2026-09-15

Overview

Respan is an open-source AI gateway that helps companies run reliable AI applications at scale. Written in Rust and designed to be extended, it gives developers control over how their applications connect to models and providers. Respan combines the gateway with observability and evaluations so teams can understand agent behavior, resolve issues and improve quality in production. The platform processes over 10T tokens each month and supports more than 6.5M end users.

Company description As recorded 2026-11-08

Founders & team

Previously Keywords AI

Company history As recorded 2026-11-08

Andy Li

Founder/CEO

CEO @ Respan (formerly Keywords AI) - observability, evaluations, and AI gateway for agents World-class AI teams use Respan to: - trace and evaluate agent behavior without guesswork - automatically surface issues - fix what breaks, faster Previously @ UIUC (dropped out) and Apple Product Design

Founder profile As recorded 2026-09-15
23team members reported
Source-reported As recorded 2026-09-15

Founded 2023 · Source

News & product activity

Sources & observations

Hacker News · Y Combinator

Profile depthenriched profile
Website observationwebsite reachable
Last website check2026-11-11
Location · source statedSan Francisco, CA, USA
Pricing evidenceA pricing page was detected
Maturity: Not assessed · 4 of 6 areas documented

Source-based assessment · automated evidence rules

The retained text does not establish product availability or customer use.

Maturity is an evidence-based assessment, not a success rating. It may understate the current stage where evidence is limited. Coverage records documented areas, not a complete or independently audited company history.

Stage definitions
independent websitesource corroborationreachable websitedescriptive evidenceclassified market and modelsourced peoplesourced founding yearpricing page observeddocumentation observedrecent publishing observeddated product or funding activity