Customer.io

Customer.io is a customer engagement platform based in Portland, Oregon, founded in 2012. It helps product-led companies deliver personalized, data-driven communications across various channels using automation tools powered by first-party data. The company has achieved over $50 million in annual recurring revenue by 2024, sending more than 56 billion messages and handling 5 billion daily API calls for 78,000 active users worldwide. Initially starting as a website analytics tool, Customer.io pivoted to focus on influencing user behavior, particularly for SaaS companies. It offers a comprehensive marketing automation suite that enables businesses to build personalized customer journeys, automate messaging, and manage data pipelines across email, mobile push, in-app, SMS, and more. Key features include triggering communications based on user actions, segmentation, A/B testing, and integration with various databases and applications. Customer.io targets B2B and B2C sectors, including SaaS, EdTech, FinTech, and healthcare, supporting businesses from startups to those nearing public trading.