About
Customer.io is a behavior-based messaging platform — bootstrapped to significant scale before raising; founder-led roots.
Customer.io
MarketingSend automated messages based on user behavior.
Listed May 25, 2026Updated Jun 9, 2026
Frequently asked
What is Customer.io?
Send automated messages based on user behavior. Customer.io is a behavior-based messaging platform — bootstrapped to significant scale before raising; founder-led roots.
What category is Customer.io in?
Customer.io is listed under Marketing on Startup Spotlight, a directory of indie and micro-startups.
When was Customer.io founded?
Customer.io was founded in 2012.
Where can I visit Customer.io?
You can visit Customer.io at customer.io, or view its full profile on Startup Spotlight.
Standalone answers: What is Customer.io? · When was Customer.io launched?
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