Zapier Document Automation: Auto-Generate PDFs from Any App or Workflow

Why Zapier + GJSDocs is a powerful combination

Most document automation tools live in a silo. They have a native integration for one or two apps and leave you to figure out the rest. Zapier inverts that: instead of GJSDocs needing a native connector for every app, any Zapier-connected app can be a document trigger.

The flow is always the same: an event happens somewhere, Zapier catches it, calls the GJSDocs API with the data from that event, and the resulting PDF or DOCX is either sent back to Zapier for further routing — email, Slack, Google Drive, Dropbox, CRM — or stored directly.

No developer required. No custom code. The Zap editor handles the wiring.

What you'll need

• A GJSDocs account on any paid plan (Starter includes full REST API access)
• A GJSDocs API key — found under Account → API Keys
• A Zapier account (free tier works for low-volume workflows)
• At least one template built in GJSDocs with variables defined
• The source app you want to trigger from (HubSpot, Typeform, Notion, Gmail, etc.)

Step 1 — Get your GJSDocs API key

In the GJSDocs dashboard, go to Account → API Keys and generate a key with document-generation permissions. Copy it — you'll paste it into Zapier as the Authorization header value.

Also note your template ID — open the template in the editor and copy the ID from the URL bar. You'll pass this in the Zapier request body to tell GJSDocs which template to use.

Step 2 — Build the trigger in Zapier

In Zapier, create a new Zap and choose your trigger app. Common starting points:

• HubSpot — "Deal stage changed to Closed Won" → generate a contract or order form
• Typeform / Jotform — "New submission" → generate a personalised onboarding PDF
• Google Sheets — "New row in spreadsheet" → generate an invoice or certificate
• Airtable — "New record in view" → generate a report or proposal
• Calendly — "Invitee created" → generate a meeting prep brief or NDA
• Stripe — "Payment succeeded" → generate a receipt or service agreement

Once the trigger is configured and tested, Zapier will show you a sample data payload — this is the data you'll map to your GJSDocs template variables in the next step.

Step 3 — Call the GJSDocs API

Add a Webhooks by Zapier action and set it up as a POST request:

The {{Trigger: ...}} placeholders are filled in by Zapier from the trigger data. Map each GJSDocs variable to the corresponding trigger field. GJSDocs returns a JSON response with a downloadUrl for the generated file.

Step 4 — Route the output

The downloadUrl in the GJSDocs response is a direct link to the generated PDF. Add subsequent Zapier steps to send it anywhere:

• Gmail / Outlook — send the PDF as an email attachment to the client
• Google Drive / Dropbox — save the file to a named folder using the client name as part of the path
• Slack — post the download link to a #documents channel for team visibility
• HubSpot — attach the PDF to the deal or contact record automatically
• Notion — create a new database page and include the download link for tracking

Ready-to-use Zap recipes

Three complete workflows that teams use in production:

Troubleshooting tips

• If GJSDocs returns a 401 — check the API key is pasted correctly and has not been revoked under Account → API Keys.
• If variables appear blank in the output — verify the JSON key names in the request body match your template variable names exactly (case-sensitive).
• If the Zap runs but the file URL is expired — download the file in a subsequent step immediately; GJSDocs temporary URLs expire after 24 hours.
• For high-volume Zaps (100+ runs per day) — use GJSDocs Pro to lift rate limits and enable parallel generation.