Add user to group
Creates a group membership. only users with admin-level permissions will be able to use this api.
Apply watermark to file
Applies or update a watermark on a file.
Apply watermark to folder
Applies or update a watermark on a folder.
Ask question
Sends an ai request to supported llms and returns an answer specifically focused on the user's question given the provided context.
Assign legal hold policy
Assign a legal hold to a file, file version, folder, or user.
Assign retention policy
Assigns a retention policy to an item.
Assign storage policy
Creates a storage policy assignment for an enterprise or user.
Assign task
Assigns a task to a user. a task can be assigned to more than one user by creating multiple assignments.
Authorize user
Authorize a user by sending them through the [box](https://box.com) website and request their permission to act on their behalf. this is the first step when authenticating a user…
Cancel box sign request
Cancels a sign request.
Change shield information barrier status
Change status of shield information barrier with the specified id.
Commit upload session
Close an upload session and create a file from the uploaded chunks. the actual endpoint url is returned by the [`create upload session`](e://post-files-upload-sessions) and [`get…
Copy file
Creates a copy of a file.
Copy file request
Copies an existing file request that is already present on one folder, and applies it to another folder.
Copy folder
Creates a copy of a folder within a destination folder. the original folder will not be changed.
Create ai agent
Creates an ai agent. at least one of the following capabilities must be provided: `ask`, `text gen`, `extract`.
Create box sign request
Creates a signature request. this involves preparing a document for signing and sending the signature request to signers.
Create box skill cards on file
Applies one or more box skills metadata cards to a file.
Create collaboration
Adds a collaboration for a single user or a single group to a file or folder. collaborations can be created using email address, user ids, or a group ids. if a collaboration is b…
Create comment
Adds a comment by the user to a specific file, or as a reply to an other comment.
Create email alias
Adds a new email alias to a user account..
Create folder
Creates a new empty folder within the specified parent folder.
Create folder lock
Creates a folder lock on a folder, preventing it from being moved and/or deleted. you must be authenticated as the owner or co-owner of the folder to use this endpoint.
Create group
Creates a new group of users in an enterprise. only users with admin permissions can create new groups.
Create jobs to terminate user group session
Validates the roles and permissions of the group, and creates asynchronous jobs to terminate the group's sessions. returns the status for the post request.
Create jobs to terminate users session
Validates the roles and permissions of the user, and creates asynchronous jobs to terminate the user's sessions. returns the status for the post request.
Create legal hold policy
Create a new legal hold policy.
Create metadata cascade policy
Creates a new metadata cascade policy that applies a given metadata template to a given folder and automatically cascades it down to any files within that folder. in order for th…
Create metadata instance on file
Applies an instance of a metadata template to a file. in most cases only values that are present in the metadata template will be accepted, except for the `global.properties` tem…
Create metadata instance on folder
Applies an instance of a metadata template to a folder. in most cases only values that are present in the metadata template will be accepted, except for the `global.properties` t…
Create metadata template
Creates a new metadata template that can be applied to files and folders.
Create retention policy
Creates a retention policy.
Create shield information barrier
Creates a shield information barrier to separate individuals/groups within the same firm and prevents confidential information passing between them.
Create shield information barrier report
Creates a shield information barrier report for a given barrier.
Create shield information barrier segment
Creates a shield information barrier segment.
Create shield information barrier segment member
Creates a new shield information barrier segment member.
Create shield information barrier segment restriction
Creates a shield information barrier segment restriction object.
Create slack integration mapping
Creates a [slack integration mapping](https://support.box.com/hc/en-us/articles/4415585987859-box-as-the-content-layer-for-slack) by mapping a slack channel to a box item. you ne…
Create task
Creates a single task on a file. this task is not assigned to any user and will need to be assigned separately.
Create teams integration mapping
Creates a [teams integration mapping](https://support.box.com/hc/en-us/articles/360044681474-using-box-for-teams) by mapping a teams channel to a box item. you need admin or co-a…
Create terms of service
Creates a terms of service for a given enterprise and type of user.
Create terms of service status for new user
Sets the status for a terms of service for a user.
Create upload session
Creates an upload session for a new file.
Create upload session for existing file
Creates an upload session for an existing file.
Create user
Creates a new managed user in an enterprise. this endpoint is only available to users and applications with the right admin permissions.
Create user exemption from collaboration domain restrictions
Create user exemption from collaboration domain restrictions.
Create user invite
Invites an existing external user to join an enterprise. the existing user can not be part of another enterprise and must already have a box account. once invited, the user will …
Create webhook
Creates a webhook.
Create web link
Creates a web link object within a folder.
Create zip download
Creates a request to download multiple files and folders as a single `zip` archive file. this api does not return the archive but instead performs all the checks to ensure that t…
Delete ai agent
Deletes an ai agent using the provided parameters.
Delete file
Deletes a file, either permanently or by moving it to the trash. the the enterprise settings determine whether the item will be permanently deleted from box or moved to the trash.
Delete file request
Deletes a file request permanently.
Delete folder
Deletes a folder, either permanently or by moving it to the trash.
Delete folder lock
Deletes a folder lock on a given folder. you must be authenticated as the owner or co-owner of the folder to use this endpoint.
Delete retention policy
Permanently deletes a retention policy.
Delete shield information barrier segment
Deletes the shield information barrier segment based on provided id.
Delete shield information barrier segment member by id
Deletes a shield information barrier segment member based on provided id.
Delete shield information barrier segment restriction by id
Delete shield information barrier segment restriction by id.
Delete slack integration mapping
Deletes a [slack integration mapping](https://support.box.com/hc/en-us/articles/4415585987859-box-as-the-content-layer-for-slack). you need admin or co-admin role to use this end…
Delete teams integration mapping
Deletes a [teams integration mapping](https://support.box.com/hc/en-us/articles/360044681474-using-box-for-teams). you need admin or co-admin role to use this endpoint.
Delete user
Deletes a user. by default this will fail if the user still owns any content. move their owned content first before proceeding, or use the `force` field to delete the user and th…
Delete user avatar
Removes an existing user avatar. you cannot reverse this operation.
Download file
Returns the contents of a file in binary format.
Download zip archive
Returns the contents of a `zip` archive in binary format. this url does not require any form of authentication and could be used in a user's browser to download the archive to a …
Extract metadata freeform
Sends an ai request to supported large language models (llms) and extracts metadata in form of key-value pairs. in this request, both the prompt and the output can be freeform. m…
Extract metadata structured
Sends an ai request to supported large language models (llms) and returns extracted metadata as a set of key-value pairs. for this request, you either need a metadata template or…
Find app item for shared link
Returns the app item represented by a shared link. the link can originate from the current enterprise or another.
Find file for shared link
Returns the file represented by a shared link. a shared file can be represented by a shared link, which can originate within the current enterprise or within another. this endpoi…
Find folder for shared link
Return the folder represented by a shared link. a shared folder can be represented by a shared link, which can originate within the current enterprise or within another. this end…
Find metadata template by instance id
Finds a metadata template by searching for the id of an instance of the template.
Find web link for shared link
Returns the web link represented by a shared link. a shared web link can be represented by a shared link, which can originate within the current enterprise or within another. thi…
Force apply metadata cascade policy to folder
Force the metadata on a folder with a metadata cascade policy to be applied to all of its children. this can be used after creating a new cascade policy to enforce the metadata t…
Generate text
Sends an ai request to supported large language models (llms) and returns generated text based on the provided prompt.
Get ai agent by agent id
Gets an ai agent using the `agent id` parameter.
Get ai agent default configuration
Get the ai agent default config
Get allowed collaboration domain
Returns a domain that has been deemed safe to create collaborations for within the current enterprise.
Get box sign request by id
Gets a sign request by id.
Get box sign template by id
Fetches details of a specific box sign template.
Get classification on file
Retrieves the classification metadata instance that has been applied to a file. this api can also be called by including the enterprise id in the url explicitly, for example `/fi…
Get classification on folder
Retrieves the classification metadata instance that has been applied to a folder. this api can also be called by including the enterprise id in the url explicitly, for example `/…
Get collaboration
Retrieves a single collaboration.
Get collection by id
Retrieves a collection by its id.
Get comment
Retrieves the message and metadata for a specific comment, as well as information on the user who created the comment.
Get current user
Retrieves information about the user who is currently authenticated. in the case of a client-side authenticated oauth 2.0 application this will be the user who authorized the app…
Get device pin
Retrieves information about an individual device pin.
Get events long poll endpoint
The listevents endpoint provides information about the events available in the box system. this options method allows developers to discover the capabilities and requirements for…
Get file information
Retrieves the details about a file.
Get file request
Retrieves the information about a file request.
Get files under retention
Returns a list of files under retention for a retention policy assignment.
Get file thumbnail
Retrieves a thumbnail, or smaller image representation, of a file. sizes of `32x32`,`64x64`, `128x128`, and `256x256` can be returned in the `.png` format and sizes of `32x32`, `…
Get file version
Retrieve a specific version of a file. versions are only tracked for box users with premium accounts.
Get file version legal hold
Retrieves information about the legal hold policies assigned to a file version.
Get file versions under retention
Returns a list of file versions under retention for a retention policy assignment.
Get folder information
Retrieves details for a folder, including the first 100 entries in the folder. passing `sort`, `direction`, `offset`, and `limit` parameters in query allows you to manage the lis…
Get group
Retrieves information about a group. only members of this group or users with admin-level permissions will be able to use this api.
Get group membership
Retrieves a specific group membership. only admins of this group or users with admin-level permissions will be able to use this api.
Get legal hold policy
Retrieve a legal hold policy.
Get legal hold policy assignment
Retrieve a legal hold policy assignment.
Get metadata cascade policy
Retrieve a specific metadata cascade policy assigned to a folder.
Get metadata instance on file
Retrieves the instance of a metadata template that has been applied to a file.
Get metadata instance on folder
Retrieves the instance of a metadata template that has been applied to a folder. this can not be used on the root folder with id `0`.
Get metadata template by id
Retrieves a metadata template by its id.
Get metadata template by name
Retrieves a metadata template by its `scope` and `templatekey` values. to find the `scope` and `templatekey` for a template, list all templates for an enterprise or globally, or …
Get retention on file
Returns information about a file version retention. **note**: file retention api is now **deprecated**. to get information about files and file versions under retention, see [fil…
Get retention policy
Retrieves a retention policy.
Get retention policy assignment
Retrieves a retention policy assignment
Get shared link for file
Gets the information for a shared link on a file.
Get shared link for folder
Gets the information for a shared link on a folder.
Get shared link for web link
Gets the information for a shared link on a web link.
Get shield information barrier report by id
Retrieves a shield information barrier report by its id.
Get shield information barrier segment member by id
Retrieves a shield information barrier segment member by its id.
Get shield information barrier segment restriction by id
Retrieves a shield information barrier segment restriction based on provided id.
Get shield information barrier segment with specified id
Retrieves shield information barrier segment based on provided id..
Get shield information barrier with specified id
Get shield information barrier based on provided id.
Get storage policy
Fetches a specific storage policy.
Get storage policy assignment
Fetches a specific storage policy assignment.
Get task
Retrieves information about a specific task.
Get task assignment
Retrieves information about a task assignment.
Get terms of service
Fetches a specific terms of service.
Get trashed file
Retrieves a file that has been moved to the trash. please note that only if the file itself has been moved to the trash can it be retrieved with this api call. if instead one of …
Get trashed folder
Retrieves a folder that has been moved to the trash. please note that only if the folder itself has been moved to the trash can it be retrieved with this api call. if instead one…
Get trashed web link
Retrieves a web link that has been moved to the trash.
Get upload session
Return information about an upload session. the actual endpoint url is returned by the [`create upload session`](e://post-files-upload-sessions) endpoint.
Get user
Retrieves information about a user in the enterprise. the application and the authenticated user need to have the permission to look up users in the entire enterprise. this endpo…
Get user avatar
Retrieves an image of a the user's avatar.
Get user exempt from collaboration domain restrictions
Returns a users who has been exempt from the collaboration domain restrictions.
Get user invite status
Returns the status of a user invite.
Get watermark for folder
Retrieve the watermark for a folder.
Get watermark on file
Retrieve the watermark for a file.
Get webhook
Retrieves a specific webhook
Get web link
Retrieve information about a web link.
Get zip download status
Returns the download status of a `zip` archive, allowing an application to inspect the progress of the download as well as the number of items that might have been skipped. this …
List ai agents
Lists ai agents based on the provided parameters.
List all classifications
Retrieves the classification metadata template and lists all the classifications available to this enterprise. this api can also be called by including the enterprise id in the u…
List all collections
Retrieves all collections for a given user. currently, only the `favorites` collection is supported.
List all file versions
Retrieve a list of the past versions for a file. versions are only tracked by box users with premium accounts. to fetch the id of the current version of a file, use the `get /fil…
List all global metadata templates
Used to retrieve all generic, global metadata templates available to all enterprises using box.
List all legal hold policies
Retrieves a list of legal hold policies that belong to an enterprise.
List all metadata templates for enterprise
Used to retrieve all metadata templates created to be used specifically within the user's enterprise
List allowed collaboration domains
Returns the list domains that have been deemed safe to create collaborations for within the current enterprise.
List all webhooks
Returns all defined webhooks for the requesting application. this api only returns webhooks that are applied to files or folders that are owned by the authenticated user. this me…
List box sign requests
Gets signature requests created by a user. if the `sign files` and/or `parent folder` are deleted, the signature request will not return in the list.
List box sign templates
Gets box sign templates created by a user.
List box skill cards on file
List the box skills metadata cards that are attached to a file.
List collection items
Retrieves the files and/or folders contained within this collection.
List enterprise device pins
Retrieves all the device pins within an enterprise. the user must have admin privileges, and the application needs the \
List enterprise users
Returns a list of all users for the enterprise along with their `user id`, `public name`, and `login`. the application and the authenticated user need to have the permission to l…
List file app item associations
**this is a beta feature, which means that its availability might be limited.** returns all app items the file is associated with. this includes app items associated with ancesto…
List file collaborations
Retrieves a list of pending and active collaborations for a file. this returns all the users that have access to the file or have been invited to the file.
List file comments
Retrieves a list of comments for a file.
List file version legal holds
Get a list of file versions on legal hold for a legal hold assignment. due to ongoing re-architecture efforts this api might not return all file versions for this policy id. inst…
List file version retentions
Retrieves all file version retentions for the given enterprise. **note**: file retention api is now **deprecated**. to get information about files and file versions under retenti…
List folder app item associations
**this is a beta feature, which means that its availability might be limited.** returns all app items the folder is associated with. this includes app items associated with ances…
List folder collaborations
Retrieves a list of pending and active collaborations for a folder. this returns all the users that have access to the folder or have been invited to the folder.
List folder locks
Retrieves folder lock details for a given folder. you must be authenticated as the owner or co-owner of the folder to use this endpoint.
List group collaborations
Retrieves all the collaborations for a group. the user must have admin permissions to inspect enterprise's groups. each collaboration object has details on which files or folders…
List groups for enterprise
Retrieves all of the groups for a given enterprise. the user must have admin permissions to inspect enterprise's groups.
List items in folder
Retrieves a page of items in a folder. these items can be files, folders, and web links. to request more information about the folder itself, like its size, use the [get a folder…
List legal hold policy assignments
Retrieves a list of items a legal hold policy has been assigned to.
List members of group
Retrieves all the members for a group. only members of this group or users with admin-level permissions will be able to use this api.
List metadata cascade policies
Retrieves a list of all the metadata cascade policies that are applied to a given folder. this can not be used on the root folder with id `0`.
List metadata instances on file
Retrieves all metadata for a given file.
List metadata instances on folder
Retrieves all metadata for a given folder. this can not be used on the root folder with id `0`.
List parts
Return a list of the chunks uploaded to the upload session so far. the actual endpoint url is returned by the [`create upload session`](e://post-files-upload-sessions) and [`get …
List pending collaborations
Retrieves all pending collaboration invites for this user.
List previous file versions for legal hold policy assignment
List previous file versions for legal hold policy assignment
List recently accessed items
Returns information about the recent items accessed by a user, either in the last 90 days or up to the last 1000 items accessed.
List retention policies
Retrieves all of the retention policies for an enterprise.
List retention policy assignments
Returns a list of all retention policy assignments associated with a specified retention policy.
List shield information barrier reports
Lists shield information barrier reports.
List shield information barriers
Retrieves a list of shield information barrier objects for the enterprise of jwt.
List shield information barrier segment members
Lists shield information barrier segment members based on provided segment ids.
List shield information barrier segment restrictions
Lists shield information barrier segment restrictions based on provided segment id.
List shield information barrier segments
Retrieves a list of shield information barrier segment objects for the specified information barrier id.
List slack integration mappings
Lists [slack integration mappings](https://support.box.com/hc/en-us/articles/4415585987859-box-as-the-content-layer-for-slack) in a users' enterprise. you need admin or co-admin …
List storage policies
Fetches all the storage policies in the enterprise.
List storage policy assignments
Fetches all the storage policy assignment for an enterprise or user.
List task assignments
Lists all of the assignments for a given task.
List tasks on file
Retrieves a list of all the tasks for a file. this endpoint does not support pagination.
List teams integration mappings
Lists [teams integration mappings](https://support.box.com/hc/en-us/articles/360044681474-using-box-for-teams) in a users' enterprise. you need admin or co-admin role to use this…
List terms of services
Returns the current terms of service text and settings for the enterprise.
List terms of service user statuses
Retrieves an overview of users and their status for a terms of service, including whether they have accepted the terms and when.
List trashed items
Retrieves the files and folders that have been moved to the trash. any attribute in the full files or folders objects can be passed in with the `fields` parameter to retrieve tho…
List user and enterprise events
Returns up to a year of past events for a given user or for the entire enterprise. by default this returns events for the authenticated user. to retrieve events for the entire en…
List user s email aliases
Retrieves all email aliases for a user. the collection does not include the primary login for the user.
List users exempt from collaboration domain restrictions
Returns a list of users who have been exempt from the collaboration domain restrictions.
List user s groups
Retrieves all the groups for a user. only members of this group or users with admin-level permissions will be able to use this api.
List workflows
Returns list of workflows that act on a given `folder id`, and have a flow with a trigger type of `workflow manual start`. you application must be authorized to use the `manage b…
Permanently remove file
Permanently deletes a file that is in the trash. this action cannot be undone.
Permanently remove folder
Permanently deletes a folder that is in the trash. this action cannot be undone.
Permanently remove web link
Permanently deletes a web link that is in the trash. this action cannot be undone.
Preflight check before upload
Performs a check to verify that a file will be accepted by box before you upload the entire file.
Promote file version
Promote a specific version of a file. if previous versions exist, this method can be used to promote one of the older versions to the top of the version history. this creates a n…
Query files folders by metadata
Create a search using sql-like syntax to return items that match specific metadata. by default, this endpoint returns only the most basic info about the items for which the query…
Refresh access token
Refresh an access token using its client id, secret, and refresh token.
Remove box skill cards from file
Removes any box skills cards metadata from a file.
Remove classification from file
Removes any classifications from a file. this api can also be called by including the enterprise id in the url explicitly, for example `/files/:id//enterprise 12345/securityclass…
Remove classification from folder
Removes any classifications from a folder. this api can also be called by including the enterprise id in the url explicitly, for example `/folders/:id/enterprise 12345/securitycl…
Remove collaboration
Deletes a single collaboration.
Remove comment
Permanently deletes a comment.
Remove device pin
Deletes an individual device pin.
Remove domain from list of allowed collaboration domains
Removes a domain from the list of domains that have been deemed safe to create collaborations for within the current enterprise.
Remove email alias
Removes an email alias from a user.
Remove file version
Move a file version to the trash. versions are only tracked for box users with premium accounts.
Remove group
Permanently deletes a group. only users with admin-level permissions will be able to use this api.
Remove legal hold policy
Delete an existing legal hold policy. this is an asynchronous process. the policy will not be fully deleted yet when the response returns.
Remove metadata cascade policy
Deletes a metadata cascade policy.
Remove metadata instance from file
Deletes a piece of file metadata.
Remove metadata instance from folder
Deletes a piece of folder metadata.
Remove metadata template
Delete a metadata template and its instances. this deletion is permanent and can not be reversed.
Remove retention policy assignment
Removes a retention policy assignment applied to content.
Remove shared link from file
Removes a shared link from a file.
Remove shared link from folder
Removes a shared link from a folder.
Remove shared link from web link
Removes a shared link from a web link.
Remove task
Removes a task from a file.
Remove upload session
Abort an upload session and discard all data uploaded. this cannot be reversed. the actual endpoint url is returned by the [`create upload session`](e://post-files-upload-session…
Remove User Domain Exemption
Removes a user's exemption from the restrictions set out by the allowed list of domains for collaborations.
Remove user from group
Deletes a specific group membership. only admins of this group or users with admin-level permissions will be able to use this api.
Remove watermark from file
Removes the watermark from a file.
Remove watermark from folder
Removes the watermark from a folder.
Remove webhook
Deletes a webhook.
Remove web link
Deletes a web link.
Request access token
Request an access token using either a client-side obtained oauth 2.0 authorization code or a server-side jwt assertion. an access token is a string that enables box to verify th…
Resend box sign request
Resends a signature request email to all outstanding signers.
Restore file
Restores a file that has been moved to the trash. an optional new parent id can be provided to restore the file to in case the original folder has been deleted.
Restore file version
Restores a specific version of a file after it was deleted. don't use this endpoint to restore box notes, as it works with file formats such as pdf, doc, pptx or similar.
Restore folder
Restores a folder that has been moved to the trash. an optional new parent id can be provided to restore the folder to in case the original folder has been deleted. during this o…
Restore web link
Restores a web link that has been moved to the trash. an optional new parent id can be provided to restore the web link to in case the original folder has been deleted.
Review files on legal hold policy assignment
Get a list of files with current file versions for a legal hold assignment. in some cases you may want to get previous file versions instead. in these cases, use the `get /legal …
Revoke access token
Revoke an active access token, effectively logging a user out that has been previously authenticated.
Search for content
Searches for files, folders, web links, and shared files across the users content or across the entire enterprise.
Starts workflow based on request body
Initiates a flow with a trigger type of `workflow manual start`. you application must be authorized to use the `manage box relay` application scope within the developer console.
Transfer owned folders
Transfers ownership of a specific folder (with id 0) from one user to another in the box cloud storage system. this endpoint should be used when you need to change the owner of a…
Unassign legal hold policy
Remove a legal hold from an item. this is an asynchronous process. the policy will not be fully removed yet when the response returns.
Unassign storage policy
Delete a storage policy assignment. deleting a storage policy assignment on a user will have the user inherit the enterprise's default storage policy. there is a rate limit for c…
Unassign task
Deletes a specific task assignment.
Update ai agent
Updates an ai agent.
Update all box skill cards on file
An alternative method that can be used to overwrite and update all box skill metadata cards on a file.
Update collaboration
Updates a collaboration. can be used to change the owner of an item, or to accept collaboration invites.
Update comment
Update the message of a comment.
Update file
Updates a file. this can be used to rename or move a file, create a shared link, or lock a file.
Update file request
Updates a file request. this can be used to activate or deactivate a file request.
Update folder
Updates a folder. this can be also be used to move the folder, create shared links, update collaborations, and more.
Update group
Updates a specific group. only admins of this group or users with admin-level permissions will be able to use this api.
Update group membership
Updates a user's group membership. only admins of this group or users with admin-level permissions will be able to use this api.
Update legal hold policy
Update legal hold policy.
Update retention policy
Updates a retention policy.
Update shared link on file
Updates a shared link on a file.
Update shared link on folder
Updates a shared link on a folder.
Update shared link on web link
Updates a shared link on a web link.
Update shield information barrier segment with specified id
Update shield information barrier segment with specified id
Update slack integration mapping
Updates a [slack integration mapping](https://support.box.com/hc/en-us/articles/4415585987859-box-as-the-content-layer-for-slack). supports updating the box folder id and options…
Update storage policy assignment
Updates a specific storage policy assignment.
Update task
Updates a task. this can be used to update a task's configuration, or to update its completion state.
Update task assignment
Updates a task assignment. this endpoint can be used to update the state of a task assigned to a user.
Update teams integration mapping
Updates a [teams integration mapping](https://support.box.com/hc/en-us/articles/360044681474-using-box-for-teams). supports updating the box folder id and options. you need admin…
Update terms of service
Updates a specific terms of service.
Update terms of service status for existing user
Updates the status for a terms of service for a user.
Update user
Updates a managed or app user in an enterprise. this endpoint is only available to users and applications with the right admin permissions.
Update webhook
Updates a webhook.
Update web link
Updates a web link object.
Upload file
Uploads a small file to box. for file sizes over 50mb we recommend using the chunk upload apis. the `attributes` part of the body must come **before** the `file` part. requests t…
Upload file version
Update a file's content. for file sizes over 50mb we recommend using the chunk upload apis. the `attributes` part of the body must come **before** the `file` part. requests that …
Upload part of file
Uploads a chunk of a file for an upload session. the actual endpoint url is returned by the [`create upload session`](e://post-files-upload-sessions) and [`get upload session`](e…