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Sweep 22 Oct 2026 · 04:32Z Build v2.1.308 527 read Stable v2.1.308 Latest v2.1.308 Next v2.1.308 Feeds RSS JSON llms.txt llms-full.txt Unofficial
One change · api

Upload File changedapi/files/upload

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# Upload File ## Body parameters (form-data) ## Returns ## Example ### Response (200) ## Upload File ### Returns ### Example #### Response

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1---
2title: Upload File
3url: https://platform.claude.com/docs/en/api/files/upload
4---
1# Upload File
52 
6## Upload File
3**POST** `/v1/files`
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8**post** `/v1/files`
9 
105Upload File
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12### Returns
7## Body parameters (form-data)
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14- `FileMetadata object { id, created_at, filename, 5 more }`
9- `file: string`
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11 The file to upload
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13 format: binary
14 
15- `expires_in_seconds: optional number`
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17 Seconds from upload until the file expires and its bytes become permanently unavailable. Must be between 3600 (one hour) and 7776000 (ninety days).
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19 minimum: 3600, maximum: 7776000
20 
21## Returns
22 
23- `FileMetadata object`
24 
1625 - `id: string`
1726 
1827 Unique object identifier.
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2332 
2433 RFC 3339 datetime string representing when the file was created.
2534 
35 format: date-time
36 
2637 - `filename: string`
2738 
2839 Original filename of the uploaded file.
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41 maxLength: 500, minLength: 1
42 
3043 - `mime_type: string`
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3245 MIME type of the file.
3346 
47 maxLength: 255, minLength: 1
48 
3449 - `size_bytes: number`
3550 
3651 Size of the file in bytes.
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53 minimum: 0
54 
3855 - `type: "file"`
3956 
4057 Object type.
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4259 For files, this is always `"file"`.
4360 
44 - `"file"`
45 
4661 - `downloadable: optional boolean`
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4863 Whether the file can be downloaded.
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65 default: false
66 
5067 - `expires_at: optional string or null`
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5269 RFC 3339 datetime string representing when the file will expire and become unavailable for download. Null if the file does not expire. For files uploaded with `expires_in_seconds`, this is the upload time plus that value.
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54### Example
71 format: date-time
5572 
56```http
73## Example
74 
75```bash
5776curl https://api.anthropic.com/v1/files \
5877 -H 'Content-Type: multipart/form-data' \
5978 -H 'anthropic-version: 2023-06-01' \
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6180 -F 'file=@/path/to/file'
6281```
6382 
64#### Response
83### Response (200)
6584 
6685```json
6786{
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