## Upload File¶
¶
**post** `/v1/files`¶
¶
Upload File¶
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### Header Parameters¶
¶
- `"anthropic-beta": optional array of AnthropicBeta`¶
¶
Optional header to specify the beta version(s) you want to use.¶
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- `string`¶
¶
- `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 256 more`¶
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- `"message-batches-2024-09-24"`¶
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- `"prompt-caching-2024-07-31"`¶
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- `"computer-use-2024-10-22"`¶
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- `"computer-use-2025-01-24"`¶
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- `"pdfs-2024-09-25"`¶
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- `"token-counting-2024-11-01"`¶
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- `"token-efficient-tools-2025-02-19"`¶
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- `"output-128k-2025-02-19"`¶
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- `"files-api-2025-04-14"`¶
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- `"mcp-client-2025-04-04"`¶
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- `"mcp-client-2025-11-20"`¶
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- `"dev-full-thinking-2025-05-14"`¶
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- `"interleaved-thinking-2025-05-14"`¶
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- `"code-execution-2025-05-22"`¶
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- `"extended-cache-ttl-2025-04-11"`¶
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- `"context-1m-2025-08-07"`¶
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- `"context-management-2025-06-27"`¶
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- `"model-context-window-exceeded-2025-08-26"`¶
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- `"skills-2025-10-02"`¶
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- `"fast-mode-2026-02-01"`¶
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- `"output-300k-2026-03-24"`¶
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- `"user-profiles-2026-03-24"`¶
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- `"advisor-tool-2026-03-01"`¶
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- `"managed-agents-2026-04-01"`¶
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- `"cache-diagnosis-2026-04-07"`¶
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- `"thinking-token-count-2026-05-13"`¶
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- `"server-side-fallback-2026-06-01"`¶
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- `"fallback-credit-2026-06-01"`¶
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- `"agent-memory-2026-07-22"`¶
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### Returns¶
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- `FileMetadata object { id, created_at, filename, 5 more }`¶
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- `id: string`¶
¶
Unique object identifier.¶
¶
The format and length of IDs may change over time.¶
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- `created_at: string`¶
¶
RFC 3339 datetime string representing when the file was created.¶
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- `filename: string`¶
¶
Original filename of the uploaded file.¶
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- `mime_type: string`¶
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MIME type of the file.¶
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- `size_bytes: number`¶
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Size of the file in bytes.¶
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- `type: "file"`¶
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Object type.¶
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For files, this is always `"file"`.¶
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- `"file"`¶
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- `downloadable: optional boolean`¶
¶
Whether the file can be downloaded.¶
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- `scope: optional BetaFileScope`¶
¶
The scope of this file, indicating the context in which it was created (e.g., a session).¶
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- `id: string`¶
¶
The ID of the scoping resource (e.g., the session ID).¶
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- `type: "session"`¶
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The type of scope (e.g., `"session"`).¶
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- `"session"`¶
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### Example¶
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```http¶
curl https://api.anthropic.com/v1/files \¶
-H 'Content-Type: multipart/form-data' \¶
-H 'anthropic-version: 2023-06-01' \¶
-H 'anthropic-beta: files-api-2025-04-14' \¶
-H "X-Api-Key: $ANTHROPIC_API_KEY" \¶
-F 'file=@/path/to/file'¶
```¶
¶
#### Response¶
¶
```json¶
{¶
"id": "file_011CNha8iCJcU1wXNR6q4V8w",¶
"created_at": "2025-04-15T18:37:24.100435Z",¶
"filename": "document.pdf",¶
"mime_type": "application/pdf",¶
"size_bytes": 102400,¶
"type": "file",¶
"downloadable": false,¶
"scope": {¶
"id": "id",¶
"type": "session"¶
}¶
}¶
```¶