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Email & SMS integration

Connect StefanBrain to Customer.io

Connect Customer.io and bring your messages and customer journeys into StefanBrain. Ask about your lifecycle program in plain English and put the answers to work across your marketing.

API keyWorks in every chatPer-tool permissions

What connecting Customer.io unlocks

Journey context in every chat

Ask about your Customer.io messages and customer journeys without opening another tab. Answers land in the same conversation where you plan campaigns and creative.

Copy that knows your lifecycle

Copy Chief reviews and new drafts can reference how your journeys already talk to customers. No more ads that contradict your welcome flow.

Trigger messages when the moment calls

The connector covers triggering messages and managing journeys, not just reading them. Every write action is gated by tool permissions you control.

One brain across channels

Your messaging context sits alongside ad accounts, store data, and creative work in one place. Media buying and CRO decisions can account for what email is already doing.

How to connect

1Open Connectors and choose Customer.io

In StefanBrain, open Connectors, find Customer.io, and click Connect.

2Get your Customer.io API key

Copy an API key from your Customer.io account or developer settings. That single key is all StefanBrain needs.

3Enter your credentials in the dialog

Paste the key into the credential dialog that opens. StefanBrain stores it encrypted and uses it only for this connection.

4Ask your first question

Try asking what your customer journeys look like today, or bring a recent message into a Copy Chief review.

Good to know

  • Customer.io connects with an API key rather than a sign-in button, so access lasts until you disconnect in StefanBrain or remove the key in Customer.io.

Your credentials stay yours

  • We never store your passwords
  • Encrypted at rest and in transit
  • Disconnect anytime

Frequently asked questions

What can StefanBrain do with Customer.io?

The connector centers on your messages and customer journeys. Ask about them in chat, use them to ground copy and creative, and trigger messages when you choose. Write actions always respect your tool permissions.

Where does the API key come from?

From your Customer.io account or developer settings. Copy it once and paste it into StefanBrain's connect dialog. Credentials are encrypted in transit and at rest, and StefanBrain never sees your Customer.io password.

Can StefanBrain change things in Customer.io?

It can, within limits you set. Triggering messages and managing journeys are write actions, and tool permissions let you require approval for each one or block writes entirely. Reads stay available either way.

How do I disconnect?

One click in Connectors removes access. Deleting or rotating the API key inside Customer.io also cuts off access immediately. Nothing else in your account changes.

I run other email tools too. Can I connect more than one?

Yes. StefanBrain has connectors for many email and SMS platforms, and each one connects separately. Connect the tools you actually send from, then ask questions against whichever holds the data.

More integrations

Put your Customer.io data to work

Connect once and every StefanBrain surface can use it: chat, creative, copy review, and analysis.

Built for brands serious about growth.