Platemark

Free certificate maker

A printable certificate with the recipient's name, what it's for and two signature lines. No signup.

The free PDF has a small "Made with Platemark" line at the bottom.

Making these every week?

Send the same fields to the API from your billing system, a spreadsheet, n8n, Make or an AI agent and get the PDF back with the totals in JSON. AI agents can call the render_invoice tool on our MCP server. 100 free credits a month, a document is 2.

curl https://platemark.rowhousesoftware.com/v1/documents -H "Authorization: Bearer pm_..." -H "Content-Type: application/json" -d '{
  "type": "certificate",
  "title": "Food Safety Basics",
  "recipient": "Maria Delgado",
  "reason": "completed the 6 hour course"
}' > certificate.pdf

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