late 0.0.1137

API reference for Zernio. Authenticate with a Bearer API key. Base URL: https://zernio.com/api Versioning and deprecation: all endpoints are versioned in the URL path (current version: /v1). Breaking changes only ship in a new path version; existing versions keep working. Deprecated operations are marked 'deprecated: true' in this spec and announced in the changelog (https://zernio.com/changelog) before removal. Errors: every 4xx/5xx response is application/json with a machine-readable 'code' and a human-readable 'error' message (see the ErrorResponse schema). Request ids: responses carry an X-Request-Id header with the id we log the request under. Quote it when reporting a problem. A valid x-request-id you send is reused as that id.
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# MessagingCarouselCard

## Properties

Name | Type | Description | Notes
------------ | ------------- | ------------- | -------------
**image_url** | **String** | Card image. Uploaded to the ad account and sent as the card image_hash (by URL on validateOnly). | 
**headline** | Option<**String**> | Card title (Meta name). | [optional]
**description** | Option<**String**> | Card description, under the title. | [optional]
**call_to_action** | Option<**String**> | Optional. Must equal the destination's messaging call to action (WHATSAPP_MESSAGE for whatsapp, MESSAGE_PAGE for messenger, INSTAGRAM_MESSAGE for instagram_direct; with `destinations` the first one listed). Any other value is a 400 naming the card, because Meta refuses a carousel whose cards do not all open the destination. | [optional]
**link_url** | Option<**String**> | Not accepted: a 400. The card tap opens the conversation, not a website. | [optional]

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