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Represents a file attached to an AI thread message.
| Field | Type | Description | Example |
|---|---|---|---|
| id | int | Unique identifier for the attachment | 5 |
| message_id | int | ID of the message it belongs to | 456 |
| original_name | string | The filename as uploaded by the user | "photo.jpg" |
| mime_type | string | Detected MIME type (image/jpeg, image/png, image/webp, ) |
application/pdf| "image/jpeg" |
| size_bytes | int | File size in bytes | 84213 |
| url | string | Relative API path for downloading the file (authenticated) | "/api/v1/ai/threads/123/messages/456/attachments/5" |
| created_at | string | Creation timestamp (ISO 8601 format) | "2020-01-01 00:00:00" |
{
"id": 5,
"message_id": 456,
"original_name": "photo.jpg",
"mime_type": "image/jpeg",
"size_bytes": 84213,
"url": "/api/v1/ai/threads/123/messages/456/attachments/5",
"created_at": "2020-01-01 00:00:00"
}