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List Files

get/v1/files

Query parameters

pagestring nullable

Opaque page cursor returned in a prior list response's next_page. Prefixed page_.

Opaque page cursor returned in a prior list response's next_page. Prefixed page_.

ids[]string[] nullable

Restrict the result set to Files whose id is in this list. At most 100 entries (after de-duplication). Mutually exclusive with page and limit. When supplied, the response is always a single page (next_page is null). IDs that do not resolve to a visible File — including deleted Files — are silently omitted.

Restrict the result set to Files whose id is in this list. At most 100 entries (after de-duplication). Mutually exclusive with page and limit. When supplied, the response is always a single page (next_page is null). IDs that do not resolve to a visible File — including deleted Files — are silently omitted.

limitinteger

Number of items to return per page.

Defaults to 20. Ranges from 1 to 1000.

Number of items to return per page.

Defaults to 20. Ranges from 1 to 1000.

Headers

anthropic-versionstring

The version of the Claude API you want to use.

Read more about versioning and our version history here.

The version of the Claude API you want to use.

Read more about versioning and our version history here.

x-api-keystring

Your unique API key for authentication.

This key is required in the header of all API requests, to authenticate your account and access Anthropic's services. Get your API key through the Console. Each key is scoped to a Workspace.

Your unique API key for authentication.

This key is required in the header of all API requests, to authenticate your account and access Anthropic's services. Get your API key through the Console. Each key is scoped to a Workspace.

anthropic-workspace-idstring

Optional header to select the Workspace for this request. The value is a Workspace ID (for example, wrkspc_011CZkZaBF1tNoB5wlCeusgy).

Only needed for credentials that can act on more than one Workspace. A credential that belongs to a specific Workspace may omit it; if sent, it must match that Workspace.

Response

Successful Response

next_pagestring nullable

Opaque cursor for the next page. Supply as ?page= to fetch the next page; null when there are no more results.

Example response

{
  "data": [
    {
      "created_at": "2025-04-15T18:37:24.100435Z",
      "expires_at": "2025-05-15T18:37:24.100435Z",
      "filename": "document.pdf",
      "id": "file_011CNha8iCJcU1wXNR6q4V8w",
      "mime_type": "application/pdf",
      "size_bytes": 102400
    }
  ]
}

Changes