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Sinch

Sinch Fax API Integration

Eliminate manual faxing and automate your document workflows with the Sinch + Formstack Documents fax delivery integration. Send faxes automatically with Formst
Integration built by Formstack
Integration built by Zapier
Integration built by partner
Salesforce Native

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Integration Overview

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Sinch + Formstack Documents Fax Delivery

Combine the power of Formstack Documents with Sinch’s secure fax API to automate fax delivery for your business. Instantly send merged documents—like benefit summaries, compliance reports, or client letters—to any fax number and maintain an auditable record of delivery. Perfect for organizations that need automated fax workflows to maintain compliance and efficiency.
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Integration Overview

  • Automatic Fax Delivery – Send merged documents directly from Formstack Documents through Sinch’s fax API.

  • Status Tracking – Monitor fax delivery in real time through the Sinch dashboard or via webhook callbacks.

  • Error Notifications – Receive automatic alerts when a fax fails.

  • Delayed Sending – Schedule faxes for specific times or days to align with business hours.

  • Compliance-Ready – Maintain proof of delivery with timestamps, tracking IDs, and archived PDFs.

  • HIPAA-Friendly Workflow – Use Formstack’s secure document automation and Sinch’s fax API to support healthcare compliance needs.

Partner Overview

Sinch is a global communications platform offering APIs for messaging, voice, and fax. Through this integration, Formstack Documents fax delivery automates document transmission for regulated industries like healthcare, insurance, financial services, and legal—helping teams maintain compliance while eliminating manual fax tasks.

Use the integration to:

  • Send faxes automatically with Formstack as part of your document generation workflows.

  • Replace manual faxing with fax automation software that ensures secure and compliant document delivery.

  • Maintain digital proof of delivery for audits and compliance reporting.

  • Automate faxing of records, claim forms, policy updates, or contracts.

Support workflows where fax communication is required without printing or scanning.

What You Need

  • A Formstack Documents account

  • A Sinch account

How It Works

  1. In Formstack Documents, open your document and navigate to Deliveries.

  2. Add a new delivery and select Sinch.

  3. Enter your Sinch API credentials and fax number.

  4. Merge and send your document—SinchFax API handles fax transmission automatically.

  5. View fax delivery status, confirmations, and delivery logs in your Sinch Fax API dashboard.

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Industries That Benefit:

  • Healthcare: Send patient records, referrals, and billing statements securely.

  • Insurance: Automate claim submissions and compliance notifications.

  • Legal: Deliver contracts and filings that require proof of transmission.

  • Financial Services: Transmit statements and client documents securely and efficiently.

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Find out more:

For step-by-step setup instructions, visit our Sinch Integration Help Guide.

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Integration Overview

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Partner Overview

Use the integration to:

What You Need

How It Works

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