# C1X

> C1X is a San Jose advertising and marketing technology company that combines programmatic buying, publisher monetization, audience data, and newer tools for AI-assisted campaigns, QR-based engagement, and project intelligence. Its early pitch joined the certainty of a direct media reservation with the targeting and speed of an auction.

- **Founded:** 2014
- **Headquarters:** San Jose, United States
- **Founders:** Mukundu Kumaran (Co-founder and CEO), Daisuke Dan Nagayama (Co-founder, COO and Chief Global Strategist), Rajkumar Madhuram (Co-founder and CTO)
- **Products:** Class One Exchange / Programmatic Direct, C1X Audience Guarantee, Media Plan Generator, AI Campaign Builder, QR Quest
- **Notable:** In 2015 C1X described access to more than 2,000 premium publisher sites worldwide., C1X’s 2016 MediaMath integration was conceived and executed in roughly four months, according to the companies., C1X announced a Yahoo premium-inventory partnership in 2015.

## Products & services

- **Class One Exchange / Programmatic Direct** — A platform for premium publisher inventory that combines direct, guaranteed, and auction-based media buying.
- **C1X Audience Guarantee** — Audience-based planning and guaranteed buys using advertiser, publisher, and third-party data.
- **Media Plan Generator** — Recommendations for media plans based on audience specifications and campaign KPIs.
- **AI Campaign Builder** — AI-assisted, multi-channel campaign creation and management across CTV, email, web, mobile, and display.
- **QR Quest** — QR-based stamp rallies, location rewards, campaign analytics, and mobile engagement.
- **Pax-i.AI** — Project intelligence platform aggregating delivery, people, and engineering signals.

## Achievements

- In 2015 C1X described access to more than 2,000 premium publisher sites worldwide.
- C1X’s 2016 MediaMath integration was conceived and executed in roughly four months, according to the companies.
- C1X announced a Yahoo premium-inventory partnership in 2015.

## Latest updates

- **2026** — C1X’s current site presents AI Campaign Builder, QR Quest, and Pax-i.AI alongside its adtech and martech suite; launch dates are not stated.
- **2016-10** — C1X announced the first $8.5 million portion of a Series B financing.
- **2016-06** — C1X announced an integration with MediaMath for premium supply.

## Links

- Website: https://c1exchange.com/
- LinkedIn: https://www.linkedin.com/company/c1x-inc-
- Twitter/X: https://twitter.com/c1exchange
- Facebook: https://www.facebook.com/c1exchange

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Profile page: https://yespress.io/c1x
Published by YesPress — https://yespress.io
Last updated: 2026-09-29