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Companies / Customer.io / Google Tag Manager

Does Customer.io use Google Tag Manager?

Probably

We hold good evidence for this, but not the strongest kind.

  • Its script, DNS record or job board was loaded on the company's live website.

How we know

Websitescript: https://www.googletagmanager.com/gtm.js?id=GTM-NRGKPHX10 Nov 2026Source

About Customer.io

Customer.io is a customer engagement platform that unifies customer data, messaging, and AI. It serves brands that use it to send personalized messages across channels.

Summarized from its homepage on 3 Nov 2026.

Marketing

What else Customer.io uses

Customer.io has evidence for 17 vendors. The strongest:

Amazon Web ServicesAnthropicGoogle CloudInfobipMailgunOpenAISnowflakeTwilioCloudflare

See the full Customer.io tech stack

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All 9,026 companies using Google Tag Manager

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