curl -X GET 'https://api.anthropic.com/v1/files/file-id/content' \
  -H "x-api-key: $ANTHROPIC_API_KEY" \
  -H 'anthropic-version: 2023-06-01'

# GET /v1/files/{file_id}/content (Claude API)
Base URL: https://api.anthropic.com
Auth: x-api-key; Anthropic API key; required.
Last verified: 2026-10-20

> Download File

## Critical Gotchas
* Authentication uses the `x-api-key` header and requests also require an `anthropic-version` header.
* The official OpenAPI URL is discovered from the SDK repository manifest and must remain under Anthropic's trusted Stainless storage prefix.

## cURL
curl -X GET 'https://api.anthropic.com/v1/files/file-id/content' \
  -H "x-api-key: $ANTHROPIC_API_KEY" \
  -H 'anthropic-version: 2023-06-01'

## Parameters
| Name | In | Type | Required | Description |
| :--- | :--- | :--- | :--- | :--- |
| file_id | path | string | Yes | ID of the File. |

## Response example
"string"

---
Need an API key? Get one at https://console.anthropic.com/settings/keys

GET

GET /v1/files/{file_id}/content — Claude API

Anthropic API key (required); https://api.anthropic.com

Claude API

Download File

Base URL: https://api.anthropic.com
Auth: x-api-key: <ANTHROPIC_API_KEY>
Last verified: 2026-10-20 · upstream hash matched

Actions Try in browser→

Agents: curl -H "Accept: text/markdown" this URL
→ 159 tokens · Vary: Accept

Critical gotchas

Authentication uses the x-api-key header and requests also require an anthropic-version header.

The official OpenAPI URL is discovered from the SDK repository manifest and must remain under Anthropic's trusted Stainless storage prefix.

cURL

curl -X GET 'https://api.anthropic.com/v1/files/file-id/content' \  -H "x-api-key: $ANTHROPIC_API_KEY" \  -H 'anthropic-version: 2023-06-01'

Parameters

Name	In	Type	Required	Description
file_id	path	string	Yes	ID of the File.

Response 200 OK

"string"

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