Files

An API for managing files and folders See the File Upload Documentation for details on the file upload workflow.

A File object looks like:

{
  "id": 569,
  "uuid": "SUj23659sdfASF35h265kf352YTdnC4",
  "folder_id": 4207,
  "display_name": "file.txt",
  "filename": "file.txt",
  "content-type": "text/plain",
  "url": "http://www.example.com/files/569/download?download_frd=1&verifier=c6HdZmxOZa0Fiin2cbvZeI8I5ry7yqD7RChQzb6P",
  // file size in bytes
  "size": 43451,
  "created_at": "2012-07-06T14:58:50Z",
  "updated_at": "2012-07-06T14:58:50Z",
  "unlock_at": "2012-07-07T14:58:50Z",
  "locked": false,
  "hidden": false,
  "lock_at": "2012-07-20T14:58:50Z",
  "hidden_for_user": false,
  // Changes who can access the file. Valid options are 'inherit' (the default),
  // 'course', 'institution', and 'public'. Only valid in course endpoints.
  "visibility_level": "course",
  "thumbnail_url": null,
  "modified_at": "2012-07-06T14:58:50Z",
  // simplified content-type mapping
  "mime_class": "html",
  // identifier for file in third-party transcoding service
  "media_entry_id": "m-3z31gfpPf129dD3sSDF85SwSDFnwe",
  "locked_for_user": false,
  "lock_info": null,
  "lock_explanation": "This assignment is locked until September 1 at 12:00am",
  // optional: url to the document preview. This url is specific to the user
  // making the api call. Only included in submission endpoints.
  "preview_url": null
}

A Folder object looks like:

{
  "context_type": "Course",
  "context_id": 1401,
  "files_count": 0,
  "position": 3,
  "updated_at": "2012-07-06T14:58:50Z",
  "folders_url": "https://www.example.com/api/v1/folders/2937/folders",
  "files_url": "https://www.example.com/api/v1/folders/2937/files",
  "full_name": "course files/11folder",
  "lock_at": "2012-07-06T14:58:50Z",
  "id": 2937,
  "folders_count": 0,
  "name": "11folder",
  "parent_folder_id": 2934,
  "created_at": "2012-07-06T14:58:50Z",
  "unlock_at": null,
  "hidden": false,
  "hidden_for_user": false,
  "locked": true,
  "locked_for_user": false,
  // If true, indicates this is a read-only folder containing files submitted to
  // assignments
  "for_submissions": false
}

An UsageRights object looks like:

// Describes the copyright and license information for a File
{
  // Copyright line for the file
  "legal_copyright": "(C) 2014 Incom Corporation Ltd",
  // Justification for using the file in a Canvas course. Valid values are
  // 'own_copyright', 'public_domain', 'used_by_permission', 'fair_use',
  // 'creative_commons'
  "use_justification": "creative_commons",
  // License identifier for the file.
  "license": "cc_by_sa",
  // Readable license name
  "license_name": "CC Attribution Share-Alike",
  // Explanation of the action performed
  "message": "4 files updated",
  // List of ids of files that were updated
  "file_ids": [1, 2, 3]
}

A License object looks like:

{
  // a short string identifying the license
  "id": "cc_by_sa",
  // the name of the license
  "name": "CC Attribution ShareAlike",
  // a link to the license text
  "url": "http://creativecommons.org/licenses/by-sa/4.0"
}

Get quota information

FilesController#api_quota

GET /api/v1/courses/:course_id/files/quota

Scope: url:GET|/api/v1/courses/:course_id/files/quota

GET /api/v1/groups/:group_id/files/quota

Scope: url:GET|/api/v1/groups/:group_id/files/quota

GET /api/v1/users/:user_id/files/quota

Scope: url:GET|/api/v1/users/:user_id/files/quota

Returns the total and used storage quota for the course, group, or user.

Example Request:

curl 'https://<canvas>/api/v1/courses/1/files/quota' \
      -H 'Authorization: Bearer <token>'

Example Response:

{ "quota": 524288000, "quota_used": 402653184 }

List files

FilesController#api_index

GET /api/v1/courses/:course_id/files

Scope: url:GET|/api/v1/courses/:course_id/files

GET /api/v1/users/:user_id/files

Scope: url:GET|/api/v1/users/:user_id/files

GET /api/v1/groups/:group_id/files

Scope: url:GET|/api/v1/groups/:group_id/files

GET /api/v1/folders/:id/files

Scope: url:GET|/api/v1/folders/:id/files

Returns the paginated list of files for the folder or course.

Request Parameters:

Parameter	Type	Description
content_types[]	string	Filter results by content-type. You can specify type/subtype pairs (e.g., ‘image/jpeg’), or simply types (e.g., ‘image’, which will match ‘image/gif’, ‘image/jpeg’, etc.).
exclude_content_types[]	string	Exclude given content-types from your results. You can specify type/subtype pairs (e.g., ‘image/jpeg’), or simply types (e.g., ‘image’, which will match ‘image/gif’, ‘image/jpeg’, etc.).
search_term	string	The partial name of the files to match and return.
include[]	string	Array of additional information to include. “user” the user who uploaded the file or last edited its content “usage_rights” copyright and license information for the file (see UsageRights) Allowed values: user
only[]	Array	Array of information to restrict to. Overrides include[] “names” only returns file name information
sort	string	Sort results by this field. Defaults to ‘name’. Note that ‘sort=userimpliesinclude[]=user.</p> Allowed values: name, size, created_at, updated_at, content_type, user`
order	string	The sorting order. Defaults to ‘asc’. Allowed values: asc, desc

Example Request:

curl 'https://<canvas>/api/v1/folders/<folder_id>/files?content_types[]=image&content_types[]=text/plain \
      -H 'Authorization: Bearer <token>'

Returns a list of File objects.

Get public inline preview url

FilesController#public_url

GET /api/v1/files/:id/public_url

Scope: url:GET|/api/v1/files/:id/public_url

Determine the URL that should be used for inline preview of the file.

Request Parameters:

Parameter	Type	Description
submission_id	integer	The id of the submission the file is associated with. Provide this argument to gain access to a file that has been submitted to an assignment (Canvas will verify that the file belongs to the submission and the calling user has rights to view the submission).

Example Request:

curl 'https://<canvas>/api/v1/files/1/public_url' \
      -H 'Authorization: Bearer <token>'

Example Response:

{ "public_url": "https://example-bucket.s3.amazonaws.com/example-namespace/attachments/1/example-filename?AWSAccessKeyId=example-key&Expires=1400000000&Signature=example-signature" }

Get file

FilesController#api_show

GET /api/v1/files/:id

Scope: url:GET|/api/v1/files/:id

POST /api/v1/files/:id

Scope: url:POST|/api/v1/files/:id

GET /api/v1/courses/:course_id/files/:id

Scope: url:GET|/api/v1/courses/:course_id/files/:id

GET /api/v1/groups/:group_id/files/:id

Scope: url:GET|/api/v1/groups/:group_id/files/:id

GET /api/v1/users/:user_id/files/:id

Scope: url:GET|/api/v1/users/:user_id/files/:id

Returns the standard attachment json object

Request Parameters:

Parameter	Type	Description
include[]	string	Array of additional information to include. “user” the user who uploaded the file or last edited its content “usage_rights” copyright and license information for the file (see UsageRights) Allowed values: user
replacement_chain_context_type	string	When a user replaces a file during upload, Canvas keeps track of the “replacement chain.” Include this parameter if you wish Canvas to follow the replacement chain if the requested file was deleted and replaced by another. Must be set to ‘course’ or ‘account’. The “replacement_chain_context_id” parameter must also be included.
replacement_chain_context_id	integer	When a user replaces a file during upload, Canvas keeps track of the “replacement chain.” Include this parameter if you wish Canvas to follow the replacement chain if the requested file was deleted and replaced by another. Indicates the context ID Canvas should use when following the “replacement chain.” The “replacement_chain_context_type” parameter must also be included.

Example Request:

curl 'https://<canvas>/api/v1/files/<file_id>' \
      -H 'Authorization: Bearer <token>'

curl 'https://<canvas>/api/v1/courses/<course_id>/files/<file_id>' \
      -H 'Authorization: Bearer <token>'

Returns a File object.

Translate file reference

FilesController#file_ref

GET /api/v1/courses/:course_id/files/file_ref/:migration_id

Scope: url:GET|/api/v1/courses/:course_id/files/file_ref/:migration_id

Get information about a file from a course copy file reference

Example Request:

curl https://<canvas>/api/v1/courses/1/files/file_ref/i567b573b77fab13a1a39937c24ae88f2 \
     -H 'Authorization: Bearer <token>'

Returns a File object.

Update file

FilesController#api_update

PUT /api/v1/files/:id

Scope: url:PUT|/api/v1/files/:id

Update some settings on the specified file

Request Parameters:

Parameter	Type	Description
name	string	The new display name of the file, with a limit of 255 characters.
parent_folder_id	string	The id of the folder to move this file into. The new folder must be in the same context as the original parent folder. If the file is in a context without folders this does not apply.
on_duplicate	string	If the file is moved to a folder containing a file with the same name, or renamed to a name matching an existing file, the API call will fail unless this parameter is supplied. “overwrite” Replace the existing file with the same name “rename” Add a qualifier to make the new filename unique Allowed values: overwrite, rename
lock_at	DateTime	The datetime to lock the file at
unlock_at	DateTime	The datetime to unlock the file at
locked	boolean	Flag the file as locked
hidden	boolean	Flag the file as hidden
visibility_level	string	Configure which roles can access this file

Example Request:

curl -X PUT 'https://<canvas>/api/v1/files/<file_id>' \
     -F 'name=<new_name>' \
     -F 'locked=true' \
     -H 'Authorization: Bearer <token>'

Returns a File object.

Delete file

FilesController#destroy

DELETE /api/v1/files/:id

Scope: url:DELETE|/api/v1/files/:id

Remove the specified file. Unlike most other DELETE endpoints, using this endpoint will result in comprehensive, irretrievable destruction of the file. It should be used with the ‘replace` parameter set to true in cases where the file preview also needs to be destroyed (such as to remove files that violate privacy laws).

Request Parameters:

Parameter	Type	Description
replace	boolean	This action is irreversible. If replace is set to true the file contents will be replaced with a generic “file has been removed” file. This also destroys any previews that have been generated for the file. Must have manage files and become other users permissions

Example Request:

curl -X DELETE 'https://<canvas>/api/v1/files/<file_id>' \
     -H 'Authorization: Bearer <token>'

Returns a File object.

Get icon metadata

FilesController#icon_metadata

GET /api/v1/files/:id/icon_metadata

Scope: url:GET|/api/v1/files/:id/icon_metadata

Returns the icon maker file attachment metadata

Example Request:

curl 'https://<canvas>/api/v1/courses/1/files/1/metadata' \
      -H 'Authorization: Bearer <token>'

Example Response:

{
  "type":"image/svg+xml-icon-maker-icons",
  "alt":"",
  "shape":"square",
  "size":"small",
  "color":"#FFFFFF",
  "outlineColor":"#65499D",
  "outlineSize":"large",
  "text":"Hello",
  "textSize":"x-large",
  "textColor":"#65499D",
  "textBackgroundColor":"#FFFFFF",
  "textPosition":"bottom-third",
  "encodedImage":"data:image/svg+xml;base64,PH==",
  "encodedImageType":"SingleColor",
  "encodedImageName":"Health Icon",
  "x":"50%",
  "y":"50%",
  "translateX":-54,
  "translateY":-54,
  "width":108,
  "height":108,
  "transform":"translate(-54,-54)"
}

Reset link verifier

FilesController#reset_verifier

POST /api/v1/files/:id/reset_verifier

Scope: url:POST|/api/v1/files/:id/reset_verifier

Resets the link verifier. Any existing links to the file using the previous hard-coded “verifier” parameter will no longer automatically grant access.

Must have manage files and become other users permissions

Example Request:

curl -X POST 'https://<canvas>/api/v1/files/<file_id>/reset_verifier' \
     -H 'Authorization: Bearer <token>'

Returns a File object.

List folders

FoldersController#api_index

GET /api/v1/folders/:id/folders

Scope: url:GET|/api/v1/folders/:id/folders

Returns the paginated list of folders in the folder.

Example Request:

curl 'https://<canvas>/api/v1/folders/<folder_id>/folders' \
     -H 'Authorization: Bearer <token>'

Returns a list of Folder objects.

List folders and files

FoldersController#list_folders_and_files

GET /api/v1/folders/:id/all

Scope: url:GET|/api/v1/folders/:id/all

Returns the paginated list of folders in the folder and files.

Example Request:

curl 'https://<canvas>/api/v1/folders/<folder_id>/all' \
     -H 'Authorization: Bearer <token>'

Returns a list of Folder objects.

List all folders

FoldersController#list_all_folders

GET /api/v1/courses/:course_id/folders

Scope: url:GET|/api/v1/courses/:course_id/folders

GET /api/v1/users/:user_id/folders

Scope: url:GET|/api/v1/users/:user_id/folders

GET /api/v1/groups/:group_id/folders

Scope: url:GET|/api/v1/groups/:group_id/folders

Returns the paginated list of all folders for the given context. This will be returned as a flat list containing all subfolders as well.

Example Request:

curl 'https://<canvas>/api/v1/courses/<course_id>/folders' \
     -H 'Authorization: Bearer <token>'

Returns a list of Folder objects.

Resolve path

FoldersController#resolve_path

GET /api/v1/courses/:course_id/folders/by_path/*full_path

Scope: url:GET|/api/v1/courses/:course_id/folders/by_path/*full_path

GET /api/v1/courses/:course_id/folders/by_path

Scope: url:GET|/api/v1/courses/:course_id/folders/by_path

GET /api/v1/users/:user_id/folders/by_path/*full_path

Scope: url:GET|/api/v1/users/:user_id/folders/by_path/*full_path

GET /api/v1/users/:user_id/folders/by_path

Scope: url:GET|/api/v1/users/:user_id/folders/by_path

GET /api/v1/groups/:group_id/folders/by_path/*full_path

Scope: url:GET|/api/v1/groups/:group_id/folders/by_path/*full_path

GET /api/v1/groups/:group_id/folders/by_path

Scope: url:GET|/api/v1/groups/:group_id/folders/by_path

Given the full path to a folder, returns a list of all Folders in the path hierarchy, starting at the root folder, and ending at the requested folder. The given path is relative to the context’s root folder and does not include the root folder’s name (e.g., “course files”). If an empty path is given, the context’s root folder alone is returned. Otherwise, if no folder exists with the given full path, a Not Found error is returned.

Example Request:

curl 'https://<canvas>/api/v1/courses/<course_id>/folders/by_path/foo/bar/baz' \
     -H 'Authorization: Bearer <token>'

Returns a list of Folder objects.

Get folder

FoldersController#show

GET /api/v1/courses/:course_id/folders/:id

Scope: url:GET|/api/v1/courses/:course_id/folders/:id

GET /api/v1/users/:user_id/folders/:id

Scope: url:GET|/api/v1/users/:user_id/folders/:id

GET /api/v1/groups/:group_id/folders/:id

Scope: url:GET|/api/v1/groups/:group_id/folders/:id

GET /api/v1/folders/:id

Scope: url:GET|/api/v1/folders/:id

Returns the details for a folder

You can get the root folder from a context by using ‘root’ as the :id. For example, you could get the root folder for a course like:

Example Request:

curl 'https://<canvas>/api/v1/courses/1337/folders/root' \
     -H 'Authorization: Bearer <token>'

curl 'https://<canvas>/api/v1/folders/<folder_id>' \
     -H 'Authorization: Bearer <token>'

Returns a Folder object.

Update folder

FoldersController#update

PUT /api/v1/folders/:id

Scope: url:PUT|/api/v1/folders/:id

Updates a folder

Request Parameters:

Parameter	Type	Description
name	string	The new name of the folder
parent_folder_id	string	The id of the folder to move this folder into. The new folder must be in the same context as the original parent folder.
lock_at	DateTime	The datetime to lock the folder at
unlock_at	DateTime	The datetime to unlock the folder at
locked	boolean	Flag the folder as locked
hidden	boolean	Flag the folder as hidden
position	integer	Set an explicit sort position for the folder

Example Request:

curl -XPUT 'https://<canvas>/api/v1/folders/<folder_id>' \
     -F 'name=<new_name>' \
     -F 'locked=true' \
     -H 'Authorization: Bearer <token>'

Returns a Folder object.

Create folder

FoldersController#create

POST /api/v1/courses/:course_id/folders

Scope: url:POST|/api/v1/courses/:course_id/folders

POST /api/v1/users/:user_id/folders

Scope: url:POST|/api/v1/users/:user_id/folders

POST /api/v1/groups/:group_id/folders

Scope: url:POST|/api/v1/groups/:group_id/folders

POST /api/v1/folders/:folder_id/folders

Scope: url:POST|/api/v1/folders/:folder_id/folders

POST /api/v1/accounts/:account_id/folders

Scope: url:POST|/api/v1/accounts/:account_id/folders

Creates a folder in the specified context

Request Parameters:

Parameter	Type	Description
name	Required string	The name of the folder
parent_folder_id	string	The id of the folder to store the new folder in. An error will be returned if this does not correspond to an existing folder. If this and parent_folder_path are sent an error will be returned. If neither is given, a default folder will be used.
parent_folder_path	string	The path of the folder to store the new folder in. The path separator is the forward slash ‘/`, never a back slash. The parent folder will be created if it does not already exist. This parameter only applies to new folders in a context that has folders, such as a user, a course, or a group. If this and parent_folder_id are sent an error will be returned. If neither is given, a default folder will be used.
lock_at	DateTime	The datetime to lock the folder at
unlock_at	DateTime	The datetime to unlock the folder at
locked	boolean	Flag the folder as locked
hidden	boolean	Flag the folder as hidden
position	integer	Set an explicit sort position for the folder

Example Request:

curl 'https://<canvas>/api/v1/folders/<folder_id>/folders' \
     -F 'name=<new_name>' \
     -F 'locked=true' \
     -H 'Authorization: Bearer <token>'

curl 'https://<canvas>/api/v1/courses/<course_id>/folders' \
     -F 'name=<new_name>' \
     -F 'locked=true' \
     -H 'Authorization: Bearer <token>'

Returns a Folder object.

Delete folder

FoldersController#api_destroy

DELETE /api/v1/folders/:id

Scope: url:DELETE|/api/v1/folders/:id

Remove the specified folder. You can only delete empty folders unless you set the ‘force’ flag

Request Parameters:

Parameter	Type	Description
force	boolean	Set to ‘true’ to allow deleting a non-empty folder

Example Request:

curl -X DELETE 'https://<canvas>/api/v1/folders/<folder_id>' \
     -H 'Authorization: Bearer <token>'

Upload a file

FoldersController#create_file

POST /api/v1/folders/:folder_id/files

Scope: url:POST|/api/v1/folders/:folder_id/files

Upload a file to a folder.

This API endpoint is the first step in uploading a file. See the File Upload Documentation for details on the file upload workflow.

Only those with the “Manage Files” permission on a course or group can upload files to a folder in that course or group.

Copy a file

FoldersController#copy_file

POST /api/v1/folders/:dest_folder_id/copy_file

Scope: url:POST|/api/v1/folders/:dest_folder_id/copy_file

Copy a file from elsewhere in Canvas into a folder.

Copying a file across contexts (between courses and users) is permitted, but the source and destination must belong to the same institution.

Request Parameters:

Parameter	Type	Description
source_file_id	Required string	The id of the source file
on_duplicate	string	What to do if a file with the same name already exists at the destination. If such a file exists and this parameter is not given, the call will fail. “overwrite” Replace an existing file with the same name “rename” Add a qualifier to make the new filename unique Allowed values: overwrite, rename

Example Request:

curl 'https://<canvas>/api/v1/folders/123/copy_file' \
     -H 'Authorization: Bearer <token>'
     -F 'source_file_id=456'

Returns a File object.

Copy a folder

FoldersController#copy_folder

POST /api/v1/folders/:dest_folder_id/copy_folder

Scope: url:POST|/api/v1/folders/:dest_folder_id/copy_folder

Copy a folder (and its contents) from elsewhere in Canvas into a folder.

Copying a folder across contexts (between courses and users) is permitted, but the source and destination must belong to the same institution. If the source and destination folders are in the same context, the source folder may not contain the destination folder. A folder will be renamed at its destination if another folder with the same name already exists.

Request Parameters:

Parameter	Type	Description
source_folder_id	Required string	The id of the source folder

Example Request:

curl 'https://<canvas>/api/v1/folders/123/copy_folder' \
     -H 'Authorization: Bearer <token>'
     -F 'source_file_id=789'

Returns a Folder object.

Get uploaded media folder for user

FoldersController#media_folder

GET /api/v1/courses/:course_id/folders/media

Scope: url:GET|/api/v1/courses/:course_id/folders/media

GET /api/v1/groups/:group_id/folders/media

Scope: url:GET|/api/v1/groups/:group_id/folders/media

Returns the details for a designated upload folder that the user has rights to upload to, and creates it if it doesn’t exist.

If the current user does not have the permissions to manage files in the course or group, the folder will belong to the current user directly.

Example Request:

curl 'https://<canvas>/api/v1/courses/1337/folders/media' \
     -H 'Authorization: Bearer <token>'

Returns a Folder object.

Set usage rights

UsageRightsController#set_usage_rights

PUT /api/v1/courses/:course_id/usage_rights

Scope: url:PUT|/api/v1/courses/:course_id/usage_rights

PUT /api/v1/groups/:group_id/usage_rights

Scope: url:PUT|/api/v1/groups/:group_id/usage_rights

PUT /api/v1/users/:user_id/usage_rights

Scope: url:PUT|/api/v1/users/:user_id/usage_rights

Sets copyright and license information for one or more files

Request Parameters:

Parameter	Type	Description
file_ids[]	Required string	List of ids of files to set usage rights for.
folder_ids[]	string	List of ids of folders to search for files to set usage rights for. Note that new files uploaded to these folders do not automatically inherit these rights.
publish	boolean	Whether the file(s) or folder(s) should be published on save, provided that usage rights have been specified (set to ‘true` to publish on save).
usage_rights[use_justification]	Required string	The intellectual property justification for using the files in Canvas Allowed values: own_copyright, used_by_permission, fair_use, public_domain, creative_commons
usage_rights[legal_copyright]	string	The legal copyright line for the files
usage_rights[license]	string	The license that applies to the files. See the List licenses endpoint for the supported license types.

Returns an UsageRights object.

Remove usage rights

UsageRightsController#remove_usage_rights

DELETE /api/v1/courses/:course_id/usage_rights

Scope: url:DELETE|/api/v1/courses/:course_id/usage_rights

DELETE /api/v1/groups/:group_id/usage_rights

Scope: url:DELETE|/api/v1/groups/:group_id/usage_rights

DELETE /api/v1/users/:user_id/usage_rights

Scope: url:DELETE|/api/v1/users/:user_id/usage_rights

Removes copyright and license information associated with one or more files

Request Parameters:

Parameter	Type	Description
file_ids[]	Required string	List of ids of files to remove associated usage rights from.
folder_ids[]	string	List of ids of folders. Usage rights will be removed from all files in these folders.

List licenses

UsageRightsController#licenses

GET /api/v1/courses/:course_id/content_licenses

Scope: url:GET|/api/v1/courses/:course_id/content_licenses

GET /api/v1/groups/:group_id/content_licenses

Scope: url:GET|/api/v1/groups/:group_id/content_licenses

GET /api/v1/users/:user_id/content_licenses

Scope: url:GET|/api/v1/users/:user_id/content_licenses

A paginated list of licenses that can be applied

Returns a list of License objects.

---

This documentation is generated directly from the Canvas LMS source code, available on Github.