Certificate of authenticity template

Fields

Use it with the API

1. Press "Use this template". After you sign in, the editor opens a copy in your workspace.

2. Publish it. Its id replaces YOUR_TEMPLATE_ID below.

3. Send your values:

curl -X POST https://mintrender.com/v1/render \  -H "Authorization: Bearer $MINTRENDER_KEY" \  -H "Content-Type: application/json" \  -d '{  "template": "YOUR_TEMPLATE_ID",  "data": {    "heading": "Certificate of Authenticity",    "name": "Alex Morgan",    "reason": "Title: Morning Light. Edition 3 of 25. Oil on canvas, 60 x 80 cm.",    "date": "31 October 2026",    "signer": "Jordan Blake",    "signer_title": "Director",    "qr": "https://example.com/verify/ML-3-25"  },  "format": "pdf"}'

Signed link

Put a link like this in an image tag or an og:image tag. Your server signs it with the link key of your workspace. We make the image the first time someone opens the link. How to sign links.

https://img.mintrender.com/YOUR_TEMPLATE_ID/main.pdf?heading=Certificate%20of%20Authenticity&name=Alex%20Morgan&reason=Title%3A%20Morning%20Light.%20Edition%203%20of%2025.%20Oil%20on%20canvas%2C%2060%20x%2080%20cm.&s=SIGNATURE

n8n and Make

Download the n8n workflow: in n8n, paste it on the canvas, then add your API key as a header credential (Authorization: Bearer mr_live_…).

In Make, add the HTTP module "Make a request": method POST, URL https://mintrender.com/v1/render, a header Authorization with Bearer and your key, body type Raw, content type JSON, and this body:

{  "template": "YOUR_TEMPLATE_ID",  "data": {    "heading": "Certificate of Authenticity",    "name": "Alex Morgan",    "reason": "Title: Morning Light. Edition 3 of 25. Oil on canvas, 60 x 80 cm.",    "date": "31 October 2026",    "signer": "Jordan Blake",    "signer_title": "Director",    "qr": "https://example.com/verify/ML-3-25"  },  "format": "pdf"}