late 0.0.1149

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.
Documentation 
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# MediaItem

## Properties

Name | Type | Description | Notes
------------ | ------------- | ------------- | -------------
**r#type** | Option<**Type**> |  (enum: image, video, gif, document) | [optional]
**url** | Option<**String**> | A media item with a null, missing or empty url is dropped. | [optional]
**title** | Option<**String**> | Optional title for the media item. Used as the document title for LinkedIn PDF/carousel posts. If omitted, falls back to the post title, then the filename. | [optional]
**alt_text** | Option<**String**> | Accessibility alternative text for an image, applied on every platform that supports it: Instagram (feed images only, not Reels/Stories), Facebook, Threads, X (max 1000 chars), LinkedIn, Bluesky, and Pinterest (max 500 chars). Ignored on platforms without alt-text support (TikTok, YouTube, Snapchat, Telegram, Reddit, Google Business Profile, WhatsApp) and on video items where the platform does not accept it. Set once per image; the same value is sent to each selected platform. | [optional]
**filename** | Option<**String**> |  | [optional]
**size** | Option<**i32**> | Optional file size in bytes | [optional]
**mime_type** | Option<**String**> | Optional MIME type (e.g. image/jpeg, video/mp4) | [optional]
**thumbnail** | Option<**String**> | Optional custom thumbnail/cover image URL for videos. Supported for Facebook video posts, Facebook Reels, regular video uploads, and LinkedIn video posts. Max 10MB, JPG/PNG recommended. | [optional]
**instagram_thumbnail** | Option<**String**> | Custom cover image URL for Instagram Reels. Can also be set via platformSpecificData.instagramThumbnail or platformSpecificData.reelCover. Resolution order: this field > platformSpecificData.instagramThumbnail > platformSpecificData.reelCover > platformSpecificData.thumbnailUrl (legacy). | [optional]
**subtitles** | Option<[**Vec<models::MediaSubtitle>**](MediaSubtitle.md)> | Subtitle (closed caption) files for a video item, in SRT or WebVTT. Each language may appear once per video. Sent to YouTube, Facebook videos, LinkedIn, X and Bluesky; ignored with a warning on every other platform. Zernio downloads each file when the post is created or updated and converts it to the format each platform requires. Per-platform rules: YouTube takes every track; Facebook takes every track, up to 200 KB each; Bluesky takes every track, up to 20 KB each after conversion to WebVTT; X takes the first track only (one subtitle per video); LinkedIn takes the first English track only. Tracks a platform cannot take are skipped and reported in the response warnings. A file that is unreachable, redirects, exceeds 1 MB, is not valid SRT or WebVTT, or is over a platform limit is rejected with a 400 (code INVALID_SUBTITLES). If a platform rejects a file at publish time, the post is still published, without subtitles. | [optional]
**tiktok_processed** | Option<**bool**> | Internal flag indicating the image was resized for TikTok | [optional]

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