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Interchange uses a platform’s own preview when one is available. These previews show how the platform renders a creative for a placement; they do not guarantee approval or delivery.
Preview links are provider-hosted and may expire. Interchange returns them as links and never executes provider-supplied embed code in its surfaces. When a safe image thumbnail is available, Interchange shows the actual creative inline and keeps the authoritative platform rendering behind the link.

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Support by platform

See each platform’s compatibility page for its wider creative and campaign support.

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Meta preview boundary

Meta preview requests use the ad account selected on the Interchange connection. If the source creative has already been synchronized, Interchange resolves its Meta creative ID from that advertiser and account’s creative record, then verifies the creative still reads back under the selected account. Meta preview links are treated as expiring after five minutes; use Refresh to request a new link after that deadline. For an unsynchronized image manifest, Interchange can submit a read-only transient specification. Other unsynchronized creative types must be synced before previewing. A request fails closed when the creative identity, account, format, or requested placement cannot be verified. The response contains one or more HTTPS Meta preview links, labeled by placement. Creatives already synced to Meta may also include a provider-readback image thumbnail; transient previews remain link-only. Interchange does not return executable preview HTML.

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Reference-renderer fallback

First-party platform previews remain authoritative. A future community reference renderer may provide a clearly labeled approximation for supported canonical image and carousel formats when a platform preview is unavailable. Until that fallback ships for an adapter, the adapter does not advertise preview_creative; unsupported requests fail closed. Shared creative-generation adapters follow the same boundary: they do not advertise preview_creative until an ephemeral preview store can enforce the link’s advertised lifetime. Provider references: Meta Business SDK preview surface, TikTok creative preview, Snap creative preview, Pinterest shareable previews, and Google ShareablePreviewService.