2FA authentication for Customer.io

How you can receive 2FA authentication codes from Customer.io directly in Slack.


A user-centric platform providing personalized email and in-app messaging solutions to enhance customer engagement and retention strategies.


  • customer.io

Supported 2FA methods

  • Time-based One-Time-Password

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“This was by far the simplest approach out there. The ability to generate numbers and associate them to a channel, right in Slack, was wonderfully painless. I had this setup in minutes.”

Jacob Giordano
Jacob Giordano

“We are loving the app, we use it to receive SMS notifications on shared accounts and has been a great time saver for us.”

Danielle Whetstone
Danielle Whetstone
C Squared Social

Get started in
under 10 minutes

Say goodbye to the chaos of using your phone to handle all communication. Move all messaging communication to Slack, where you can keep all conversations organized and accessible to your entire team.

100% free to get started
Bring your own phone number
Friendly email support

“Streamlined the SMS workflow for our team in just a couple of minutes!”

Anthony Accomazzo
Anthony Accomazzo
Founder at Sequin.io

Join hundreds of happy customers