Question 1

Which AI companies use Customer.io?

Accepted Answer

Customer.io is used by Axiom, Coframe, Fly.io, Gamma, HeyGen, Inngest, Make, Mercor, Neon, Notion, OpenRouter, People.ai, Plain, Portkey, Railway, Speak, Speechify, Trunk, Upstash, Warmly, Warp, Yotpo.

Question 2

What type of service is Customer.io?

Accepted Answer

Customer.io is a Email Marketing vendor in the Communications category.

Question 3

How popular is Customer.io among AI companies?

Accepted Answer

Customer.io is used by 22 of 381 tracked AI companies (6% adoption).

Question 4

What are alternatives to Customer.io?

Accepted Answer

Other Communications vendors include Twilio, Slack, SendGrid, Mailgun, Zoom.

Customer.io

Companies using Customer.io

Commonly paired with

Alternatives (Communications)