Customer.io

Customer.io describes itself as a customer engagement platform that unifies data, messaging, and AI so that every customer interaction becomes a signal that can be acted on to lift conversion, retention, and revenue. Its platform capabilities include Journeys, Audiences, Data & integrations, Design Studio, Analytics, and an AI Agent. The company states it was founded in 2012 and that its platform is trusted by 9,000+ brands.

Customer.io states that it was founded in 2012. Its about page lists Colin Nederkoorn as Founder and Chief Executive Officer. The company reports metrics including 100B+ messages sent in 2025, 100B+ webhooks sent in 2025, 12B+ daily API calls, 78k active users, and 9,000+ brands.

1. 1Customer.io: AI-Powered Customer Engagement Platformcustomer.io
2. 2About Customer.io | Customer.iocustomer.io