JavaScript: Create a signed URL

Creates a signed URL. Use a signed URL to share a file for a fixed amount of time.

• RLS policy permissions required:
  • buckets table permissions: none
  • objects table permissions: select
• Refer to the Storage guide on how access control works

Parameters

• path

  (Required)

  The file path, including the current file name. For example `folder/image.png`.

• expiresIn

  (Required)

  The number of seconds until the signed URL expires. For example, `60` for a URL which is valid for one minute.

• options

  (Optional)

Examples

Create Signed URL

const { data, error } = await supabase
  .storage
  .from('avatars')
  .createSignedUrl('folder/avatar1.png', 60)

Create a signed URL for an asset with transformations

const { data } = await supabase
  .storage
  .from('avatars')
  .createSignedUrl('folder/avatar1.png', 60, {
    transform: {
      width: 100,
      height: 100,
    }
  })

Create a signed URL which triggers the download of the asset

const { data } = await supabase
  .storage
  .from('avatars')
  .createSignedUrl('folder/avatar1.png', 60, {
    download: true,
  })