Create a beautiful certificate layout in the visual editor with your organization's branding, logos, borders, and signature areas.
Mark the recipient name, date, course title, achievement level, and any other variable content as dynamic layers.
Call the render API with each recipient's data. RenderStack generates a unique certificate in PNG, JPEG, or PDF format in milliseconds.
Generate multi-page PDF certificates ready for printing or digital distribution. Supports up to 50 pages per render.
Add verifiable QR codes that link to certificate verification pages. QR data is generated dynamically at render time.
Upload your organization's official fonts (TTF/OTF) for consistent branding across all generated certificates.
Handle missing data gracefully — if a middle name or title is missing, the layout adjusts automatically.
curl -X POST https://api.renderstack.io/v1/render/certificate-template \
-H "Authorization: Bearer rs_master_xxx" \
-H "Content-Type: application/json" \
-d '{
"overrides": {
"recipientName": { "text": "Jane Smith" },
"courseName": { "text": "Advanced Data Science" },
"completionDate": { "text": "February 25, 2026" },
"qrCode": { "src": "https://verify.example.com/cert/abc123" }
},
"format": "pdf"
}'Stop creating certificates manually. Design once, generate for every recipient with a single API call.
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