Files API for Google Drive and OneDrive

Upload, list, download and share files in your users' Google Drive and OneDrive with one REST API, with a webhook when files change.

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Drive + OneDrive
Share links
Webhooks

FilesGET /v1/files

Q4 report.pdfUploaded via API, 2.4 MB

Pipeline.xlsxShared with a link

Pitch deckPicked by the user

ContractsFolder, 12 items

file.pickedPitch deck, picked in Google Picker

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Supported platforms

One API. Google Drive and OneDrive

Connect a Google or Microsoft account and call the same file endpoints for both

Google Drive
Gmail
Google Calendar
Google Contacts

Google Drive, file by file

Files your app uploads or the user picks in Google Picker, nothing else in their drive.

OneDrive
Outlook
Outlook Calendar
Outlook Contacts

OneDrive, the whole drive

List, search, upload and share across the user's OneDrive.

Explore Microsoft

How it works

From signup to first upload in three steps

1

Key name

e.g., Production API key

Permission

Read & write

Read only

Profile access

Full access (all profiles)

Create key

Get your API key

Sign up free and create a key in the dashboard.

2

Profile

Default

Google

emailcalendarfilescontacts

Microsoft

emailcalendarfilescontacts

Connect Google or Microsoft

Request a connect link with the areas you need. Each account gets an ID for API calls.

3

POST /v1/files

curl -X POST "https://zernio.com/api/v1/files" \
  -H "Authorization: Bearer $ZERNIO_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "accountId": "acc_xxx",
    "name": "Q4 report.pdf",
    "contentType": "application/pdf",
    "url": "https://cdn.acme.com/q4-report.pdf"
  }'

Upload to their drive

POST /v1/files takes a file or a public URL and returns the stored file.

Features

Everything you need for files

Browse

List foldersChildren of any folder, folders first
Search by nameAcross the drive, shared drives included
DownloadDocs as PDF, Sheets as XLSX
File detailsName, type, size and parent

Write

Upload a fileMultipart, resumable for large files
Upload from a URLFetched for you, up to 100 MB
Convert on uploadTo Google Docs, Sheets or Slides
Create foldersAnywhere in the drive
Rename and moveOne PATCH for either
TrashRecoverable from the drive's bin

Share and listen

Share linksView link for anyone holding it
Google PickerHosted page for the user to pick files
drive.file scopeOnly files you created or were given
file.*Created, updated, deleted and picked

Frequently asked questions

Add Google Drive and OneDrive to your app

Connect a drive, upload the first file and get a webhook when it changes.

Start for free Read the docs

Drive + OneDrive
Share links
Webhooks