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In-App Forms API

Preview since 27 Oct 2026 notable

Will let developers and AI agents create in-app sign-up forms and retrieve them by ID with channel details through the Klaviyo API, like existing web form support.

Read vendor source (opens in a new tab)
klaviyo.com Evidence for Preview · 27 Oct 2026
Platform
Klaviyo
Capability
APIs & extensibility · Platform
also: Landing pages & forms
Vendor's name
In-App Forms API
First recorded
Record last updated

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Lifecycle history 1 state

  1. Preview27 Oct 2026
    First recorded 27 Oct 2026 · vendor changelog · klaviyo.com ↗ · archived copy, 26 Oct 2026 ↗

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