late 0.0.751

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).
Documentation 
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# WebhookPayloadMessageMessageAttachmentsInner

## Properties

Name | Type | Description | Notes
------------ | ------------- | ------------- | -------------
**r#type** | **String** | Attachment type (image, video, file, sticker, audio) | 
**url** | **String** | Where to fetch the attachment. **The contract differs by platform.**  - **WhatsApp**: points at `GET /v1/whatsapp/media/{mediaId}`, an   authenticated Zernio endpoint. You MUST send   `Authorization: Bearer <your API key>`; fetching it without that   header returns `401`. Download and store the bytes when this   webhook arrives: Meta drops inbound media after a limited   retention window, after which the endpoint answers `400`   permanently and the media is unrecoverable. - **Instagram / Facebook / Telegram**: a direct platform CDN link   that needs no authentication and expires on the platform's own   schedule.  | 
**payload** | Option<**serde_json::Value**> | Additional attachment metadata | [optional]

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