Files
2026-07-13 12:38:34 +08:00

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---
title: Files
description: "File management"
---
{/* Auto-generated from OpenAPI spec. Edit the overview at api-overviews/files.mdx, not this file. */}
These endpoints handle files that tools read and write during execution. When a tool produces or consumes a file, Composio stores it in object storage and exchanges it through presigned URLs rather than streaming bytes through the API.
You reach for these endpoints to:
- **List files** that tools have generated, optionally filtered by app and action.
- **Request an upload**: get a presigned S3 URL, `PUT` your file to it, then pass the returned reference into a tool's input.
This keeps large payloads out of request bodies. Tools receive a file reference and resolve the underlying object on their side.
<Callout type="info">
File uploads are a two-step flow. Call the upload-request endpoint to mint a presigned URL, then upload the file contents directly to that URL. The API never receives the raw bytes.
</Callout>
If your agent works with files inside a session, prefer the session file mount, where the sandbox exposes uploaded files to running code. See the [remote sandbox](/docs/sandbox/remote) for the sandbox helpers (`upload_local_file`, `smart_file_extract`) that build on this storage.
These endpoints use your project API key in the `x-api-key` header.
## Endpoints
<ApiEndpointsTable endpoints={[{"method":"GET","pathV31":"/api/v3.1/files/list","pathV3":"/api/v3/files/list","summary":"List files with optional app and action filters (DEPRECATED)","href":"/reference/api-reference/files/getFilesList"},{"method":"POST","pathV31":"/api/v3.1/files/upload/request","pathV3":"/api/v3/files/upload/request","summary":"Create presigned URL for request file upload to S3","href":"/reference/api-reference/files/postFilesUploadRequest"}]} />