# title: Attachments url: https://platform.claude.com/docs/en/api/compliance/apps/projects/attachments

# Attachments

# List project attachments

GET /v1/compliance/apps/projects/{project_id}/attachments

List files and documents attached to a project.

List files and project documents attached to the project referenced by project_id. This includes the IDs of attached files, and attached project documents.

The raw binary content of attached files can be downloaded using the GET /v1/compliance/apps/chats/files/{claude_file_id}/content endpoint.

The text content of attached project documents can be fetched using the GET /v1/compliance/apps/projects/documents/{claude_proj_doc_id} endpoint.

# Path parameters

project_id: string

The project ID (tagged ID, e.g., claude_proj_abc123)

# Query parameters

limit: optional number

Maximum results (default: 20, max: 100)

default: 20, maximum: 100, minimum: 1
page: optional string

Opaque pagination token from a previous response's next_page field. Pass this to retrieve the next page of results. Clients should treat this value as an opaque string and not attempt to parse or interpret its contents, as the format may change without notice.

# Headers

"x-api-key": optional string

# Returns

data: array of ComplianceProjectFileReference or ComplianceProjectDocReference

List of attachments sorted chronologically by created_at, tie break by id
- ComplianceProjectFileReference object
  
  File attachment reference for compliance responses.
  - type: "project_file"
    
    Discriminator marking this as a binary file
    
    default: project_file
  - id: string
    
    File identifier (e.g., 'claude_file_abcd')
  - created_at: string
    
    Creation timestamp (RFC 3339 format)
    
    format: date-time
  - filename: string
    
    Display name of the file (e.g., 'document.pdf')
  - md5: string or null
    
    Lowercase hex MD5 of the file's preferred downloadable variant, when recorded. Null otherwise. Use the per-file /metadata endpoint for the authoritative value.
  - mime_type: string
    
    MIME type of the file's preferred downloadable variant when one is recorded, else 'application/octet-stream'. Use the per-file /metadata endpoint for the authoritative value.
  - size_bytes: number or null
    
    Size in bytes of the file's preferred downloadable variant, when recorded. Null otherwise. Use the per-file /metadata endpoint for the authoritative value.
- ComplianceProjectDocReference object
  
  Project document attachment reference for compliance responses.
  - type: "project_doc"
    
    Discriminator marking this as a plain text document
    
    default: project_doc
  - id: string
    
    Project document identifier (e.g., 'claude_proj_doc_abcd')
  - created_at: string
    
    Creation timestamp (RFC 3339 format)
    
    format: date-time
  - filename: string
    
    Display name of the document (e.g., 'document.txt')
  - mime_type: "text/plain"
    
    MIME type of the project document, always set to plain text
    
    default: text/plain
  - updated_at: string or null
    
    Last-modified timestamp of the document. Reserved for future use — currently always null.
    
    format: date-time
has_more: boolean

Whether more records exist beyond the current result set
next_page: string or null

To get the next page, use the 'next_page' from the current response as the 'page' in your next request

# Example

bash

curl https://api.anthropic.com/v1/compliance/apps/projects/$PROJECT_ID/attachments \
    -H 'anthropic-version: 2023-06-01' \
    -H "Authorization: Bearer $ANTHROPIC_COMPLIANCE_API_KEY"

# Response (200)

json

{
  "data": [
    {
      "id": "id",
      "created_at": "2019-12-27T18:11:19.117Z",
      "filename": "filename",
      "md5": "md5",
      "mime_type": "mime_type",
      "size_bytes": 0,
      "type": "project_file"
    }
  ],
  "has_more": true,
  "next_page": "next_page"
}

# Domain types

# Attachment List Response

AttachmentListResponse = ComplianceProjectFileReference or ComplianceProjectDocReference
- ComplianceProjectFileReference object
  
  File attachment reference for compliance responses.
  - type: "project_file"
    
    Discriminator marking this as a binary file
    
    default: project_file
  - id: string
    
    File identifier (e.g., 'claude_file_abcd')
  - created_at: string
    
    Creation timestamp (RFC 3339 format)
    
    format: date-time
  - filename: string
    
    Display name of the file (e.g., 'document.pdf')
  - md5: string or null
    
    Lowercase hex MD5 of the file's preferred downloadable variant, when recorded. Null otherwise. Use the per-file /metadata endpoint for the authoritative value.
  - mime_type: string
    
    MIME type of the file's preferred downloadable variant when one is recorded, else 'application/octet-stream'. Use the per-file /metadata endpoint for the authoritative value.
  - size_bytes: number or null
    
    Size in bytes of the file's preferred downloadable variant, when recorded. Null otherwise. Use the per-file /metadata endpoint for the authoritative value.
- ComplianceProjectDocReference object
  
  Project document attachment reference for compliance responses.
  - type: "project_doc"
    
    Discriminator marking this as a plain text document
    
    default: project_doc
  - id: string
    
    Project document identifier (e.g., 'claude_proj_doc_abcd')
  - created_at: string
    
    Creation timestamp (RFC 3339 format)
    
    format: date-time
  - filename: string
    
    Display name of the document (e.g., 'document.txt')
  - mime_type: "text/plain"
    
    MIME type of the project document, always set to plain text
    
    default: text/plain
  - updated_at: string or null
    
    Last-modified timestamp of the document. Reserved for future use — currently always null.
    
    format: date-time

spb doc-api