Certificates

Course completion certificate

Award a learner a course certificate with a large name and seal.

Use this template

Try it with your details

File types: PDF
Size: 11.697916666666666 × 8.270833333333334 in PDF
Use case: Certificates
Licence: Free to copy and use in your own templates
Source: Made by thirds.ai with the open-licence Playfair Display and Great Vibes fonts and fictional sample names.

workshop-certificate/template.html

About this design

What you can make with it.

Schools and trainers use this certificate when someone finishes a course. It runs the recipient's name in large serif type across a diagonal-corner frame, with a signature and a gold seal. Change the issuer, name, course, date, and signatory for each award.

Your details

What you can change.

These are the words and numbers you swap for your own. The design stays the same.

IssuerA short text.
KickerA short text.
RecipientA short text.
Lead inA short text.
CourseA short text.
DetailA longer text with more than one line.
Awarded onA short text.
Certificate numberA short text.
SignatoryA short text.
Signatory roleA short text.
Seal topA short text.
Seal yearA short text.
Paper colourA colour.
Ink colourA colour.
Accent colourA colour.

{
  "issuer": "Northgate Design School",
  "kicker": "Certificate of completion",
  "recipient": "Amelia Hartwell",
  "lead_in": "has completed the twelve-week course",
  "course": "Brand Identity Foundations",
  "detail": "Sixty hours of studio practice in type, colour, and logo systems, with a final portfolio review.",
  "awarded_on": "14 November 2026",
  "certificate_number": "NDS-2026-0318",
  "signatory": "Helena Marsh",
  "signatory_role": "Course director",
  "seal_top": "Class of",
  "seal_year": "2026",
  "paper_colour": "#FBF6EC",
  "ink_colour": "#1D2B4F",
  "accent_colour": "#D9A441"
}

For developers

Make this file from your code or your AI tools.

Save your copy once, then send the new details with each request. Each finished file costs 1 credit.

curl https://thirds.ai/v1/pdf \
  -H "Authorization: Bearer $THIRDS_API_KEY" \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: workshop-certificate-1" \
  -d '{"template_id":"tpl_your_copy","version":1,"data":{"issuer":"Northgate Design School","kicker":"Certificate of completion","recipient":"Amelia Hartwell","lead_in":"has completed the twelve-week course","course":"Brand Identity Foundations","detail":"Sixty hours of studio practice in type, colour, and logo systems, with a final portfolio review.","awarded_on":"14 November 2026","certificate_number":"NDS-2026-0318","signatory":"Helena Marsh","signatory_role":"Course director","seal_top":"Class of","seal_year":"2026","paper_colour":"#FBF6EC","ink_colour":"#1D2B4F","accent_colour":"#D9A441"},"pdf":{"width":"1123px","height":"794px"}}'

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "render",
    "arguments": {
      "output": "pdf",
      "idempotency_key": "workshop-certificate-1",
      "request": {
        "template_id": "tpl_your_copy",
        "version": 1,
        "data": {
          "issuer": "Northgate Design School",
          "kicker": "Certificate of completion",
          "recipient": "Amelia Hartwell",
          "lead_in": "has completed the twelve-week course",
          "course": "Brand Identity Foundations",
          "detail": "Sixty hours of studio practice in type, colour, and logo systems, with a final portfolio review.",
          "awarded_on": "14 November 2026",
          "certificate_number": "NDS-2026-0318",
          "signatory": "Helena Marsh",
          "signatory_role": "Course director",
          "seal_top": "Class of",
          "seal_year": "2026",
          "paper_colour": "#FBF6EC",
          "ink_colour": "#1D2B4F",
          "accent_colour": "#D9A441"
        },
        "pdf": {
          "width": "1123px",
          "height": "794px"
        }
      }
    }
  }
}