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SialFlow

Secure Documents

Send a file to the right people — and know what happened.

Keep contracts, board packs, and client files in one place your team can actually use. Share inside the company, or send someone outside a link that expires. They sign in, accept the terms if you ask, and you get a clear record of the delivery.

What you get

A place for the real files

Folders, versions, and who can open what — so the latest contract isn't buried in someone's inbox.

Share with colleagues

People and groups see what's shared with them and what they've shared. Access follows your org, not a project admin list.

Send outside the company

Pick a recipient, set when the link dies, and require a sign-in or acceptance when it matters. One link, one job.

A receipt you can stand behind

When counsel or a partner opens the pack, you keep a durable record — who, when, and under which terms.

Included

  • Built for people
  • Links that expire
  • Clear access control
  • Delivery receipts
  • Your branding

Differentiation

What you can do

  • Store files your organization owns and controls
  • Keep versions so you can go back when something changes
  • Decide who inside the company can open a document
  • Preview without emailing copies around
  • Send a time-limited link to a named person
  • Ask them to authenticate before they see the file
  • Require acceptance or a signature when you need it
  • Keep a receipt of the delivery
  • Brand the recipient experience to match your firm
  • See security-sensitive actions in the audit trail
  • Use it alone, or as a module inside Enterprise

Example

Same auth and tenancy headers as the rest of the API. Where a capability plugs into Flows today, that is called out on the product page — we do not imply every media type shares one live pipeline yet.

Secure delivery (conceptual)

POST /v1/documents/{document_id}/deliveries
Idempotency-Key: …

{
  "document_version_id": "sdv_…",
  "recipient": {
    "address": "counsel@example.com",
    "display_name": "Outside Counsel"
  },
  "expires_at": "2026-08-12T17:00:00Z",
  "authentication_policy": "email_otp",
  "acceptance_required": true,
  "download_policy": "view_only"
}

# Recipient opens the link, signs in if required,
# accepts if required, then views the file.

Ship with Secure Documents

Open the portal, follow the docs, or talk to us about rollout for your agency or commerce stack.