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This article explains why the v3 In-app checkout cannot be embedded in an iframe and why the embed parameter is forced to false.
The v3 checkout modal is already an iframe. Embedding it inside another iframe creates nested iframes and a poor UX (customers must scroll to see the full checkout). To avoid this, Chargebee forces embed to false when you try to use this setup.
Note:
embed=true is set, it is returned as false.embed=false, gateways like PayPal and GoCardless that use redirect flows are supported.Tip: Use the latest Chargebee checkout version to reduce manual handling of multiple subscriptions under the same record.
For more information, contact Chargebee Support.
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