Customer.io enables users to send newsletters to selected segments of customers using their website data.
Customer.io's investors include BoxGroup, Techstars, FJ Labs, Portland Seed Fund, Spectrum Equity.
Customer.io is headquartered in Portland, United States.
Customer.io enables users to send newsletters to selected segments of customers using their website data.
Customer.io is at the Series A stage.
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"Customer.io — Funding & Investors." VCBacked, March 8, 2022, https://www.vcbacked.co/company/customerio. Accessed September 30, 2026.
VCBacked. (2022). Customer.io — Funding & Investors. Retrieved September 30, 2026, from https://www.vcbacked.co/company/customerio
{{cite web |title=Customer.io — Funding & Investors |url=https://www.vcbacked.co/company/customerio |website=VCBacked |access-date=September 30, 2026}}Profile data sourced and verified per the VCbacked methodology · Last funding round dated