Generate PDF Certificate with IterationLayer

The workflow JSON

Copy or download the full n8n JSON below. Paste it into a new n8n workflow, add your credentials, activate. Full import guide →

{
  "name": "Generate PDF Certificate",
  "nodes": [
    {
      "parameters": {
        "content": "## Generate PDF Certificate\n\nOnline learning platforms and corporate training departments use this recipe to generate a completion certificate on demand. Define the recipient name, course title, completion date, and a QR code linking to a verification page \u2014 producing a landscape PDF ready for formal download or print.\n\n**Note:** This workflow uses the Iteration Layer community node (`n8n-nodes-iterationlayer`). Install it via Settings > Community Nodes on self-hosted n8n, or add it directly on n8n Cloud with Verified Community Nodes enabled.",
        "height": 280,
        "width": 500,
        "color": 2
      },
      "type": "n8n-nodes-base.stickyNote",
      "typeVersion": 1,
      "position": [
        200,
        40
      ],
      "id": "9de906d3-89ac-4cf1-bd8e-f5952694e6d0",
      "name": "Overview"
    },
    {
      "parameters": {
        "content": "### Step 1: Generate Document\nResource: **Document Generation**\n\nConfigure the Document Generation parameters below, then connect your credentials.",
        "height": 160,
        "width": 300,
        "color": 6
      },
      "type": "n8n-nodes-base.stickyNote",
      "typeVersion": 1,
      "position": [
        475,
        100
      ],
      "id": "d592b491-e86f-4152-955f-4287a2ff40c0",
      "name": "Step 1 Note"
    },
    {
      "parameters": {},
      "type": "n8n-nodes-base.manualTrigger",
      "typeVersion": 1,
      "position": [
        250,
        300
      ],
      "id": "1e88b559-d5e6-4613-b143-5a1aa9412f15",
      "name": "Manual Trigger"
    },
    {
      "parameters": {
        "resource": "documentGeneration",
        "format": "pdf",
        "documentJson": "{\n  \"metadata\": {\n    \"title\": \"Certificate of Completion - Advanced Data Engineering\",\n    \"author\": \"Horizon Academy\"\n  },\n  \"page\": {\n    \"size\": {\n      \"width_in_pt\": 842,\n      \"height_in_pt\": 595\n    },\n    \"margins\": {\n      \"top_in_pt\": 60,\n      \"right_in_pt\": 72,\n      \"bottom_in_pt\": 60,\n      \"left_in_pt\": 72\n    }\n  },\n  \"styles\": {\n    \"text\": {\n      \"font_family\": \"Helvetica\",\n      \"font_size_in_pt\": 11.0,\n      \"line_height\": 1.5,\n      \"color\": \"#333333\"\n    },\n    \"headline\": {\n      \"font_family\": \"Helvetica\",\n      \"font_size_in_pt\": 24.0,\n      \"color\": \"#111111\",\n      \"spacing_before_in_pt\": 12.0,\n      \"spacing_after_in_pt\": 6.0,\n      \"font_weight\": \"bold\"\n    },\n    \"link\": {\n      \"color\": \"#0066CC\",\n      \"is_underlined\": true\n    },\n    \"list\": {\n      \"text_style\": {\n        \"font_family\": \"Helvetica\",\n        \"font_size_in_pt\": 11.0,\n        \"line_height\": 1.5,\n        \"color\": \"#333333\"\n      },\n      \"marker_color\": \"#333333\",\n      \"marker_gap_in_pt\": 8.0\n    },\n    \"table\": {\n      \"header\": {\n        \"background_color\": \"#333333\",\n        \"text_color\": \"#FFFFFF\",\n        \"font_size_in_pt\": 11.0,\n        \"font_weight\": \"bold\"\n      },\n      \"body\": {\n        \"background_color\": \"#FFFFFF\",\n        \"text_color\": \"#333333\",\n        \"font_size_in_pt\": 11.0\n      },\n      \"border\": {\n        \"outer\": {\n          \"top\": {\n            \"color\": \"#CCCCCC\",\n            \"width_in_pt\": 1.0\n          },\n          \"right\": {\n            \"color\": \"#CCCCCC\",\n            \"width_in_pt\": 1.0\n          },\n          \"bottom\": {\n            \"color\": \"#CCCCCC\",\n            \"width_in_pt\": 1.0\n          },\n          \"left\": {\n            \"color\": \"#CCCCCC\",\n            \"width_in_pt\": 1.0\n          }\n        },\n        \"inner\": {\n          \"horizontal\": {\n            \"color\": \"#EEEEEE\",\n            \"width_in_pt\": 0.5\n          },\n          \"vertical\": {\n            \"color\": \"#EEEEEE\",\n            \"width_in_pt\": 0.5\n          }\n        }\n      }\n    },\n    \"grid\": {\n      \"background_color\": \"#FFFFFF\",\n      \"border_color\": \"#CCCCCC\",\n      \"border_width_in_pt\": 0.0,\n      \"gap_in_pt\": 12.0\n    },\n    \"separator\": {\n      \"color\": \"#CCCCCC\",\n      \"thickness_in_pt\": 1.0,\n      \"spacing_before_in_pt\": 12.0,\n      \"spacing_after_in_pt\": 12.0\n    },\n    \"image\": {\n      \"border_color\": \"#000000\",\n      \"border_width_in_pt\": 0.0\n    }\n  },\n  \"content\": [\n    {\n      \"type\": \"headline\",\n      \"level\": \"h3\",\n      \"text\": \"HORIZON ACADEMY\"\n    },\n    {\n      \"type\": \"separator\"\n    },\n    {\n      \"type\": \"headline\",\n      \"level\": \"h1\",\n      \"text\": \"Certificate of Completion\"\n    },\n    {\n      \"type\": \"paragraph\",\n      \"runs\": [\n        {\n          \"text\": \"This certificate is proudly presented to\"\n        }\n      ]\n    },\n    {\n      \"type\": \"headline\",\n      \"level\": \"h1\",\n      \"text\": \"James Whitfield\"\n    },\n    {\n      \"type\": \"paragraph\",\n      \"runs\": [\n        {\n          \"text\": \"for successfully completing the course\"\n        }\n      ]\n    },\n    {\n      \"type\": \"headline\",\n      \"level\": \"h2\",\n      \"text\": \"Advanced Data Engineering with Apache Spark\"\n    },\n    {\n      \"type\": \"paragraph\",\n      \"markdown\": \"Completed on **March 1,\\n            2026** with a score of **94%** after 42 hours of coursework covering distributed data processing,\\n            pipeline orchestration,\\n            and performance optimization.\"\n    },\n    {\n      \"type\": \"separator\"\n    },\n    {\n      \"type\": \"grid\",\n      \"columns\": [\n        {\n          \"column_span\": 4,\n          \"blocks\": [\n            {\n              \"type\": \"paragraph\",\n              \"runs\": [\n                {\n                  \"text\": \"Certificate ID\",\n                  \"font_weight\": \"bold\"\n                }\n              ]\n            },\n            {\n              \"type\": \"paragraph\",\n              \"runs\": [\n                {\n                  \"text\": \"CERT-2026-ADE-07284\"\n                }\n              ]\n            }\n          ]\n        },\n        {\n          \"column_span\": 4,\n          \"blocks\": [\n            {\n              \"type\": \"paragraph\",\n              \"runs\": [\n                {\n                  \"text\": \"Issued By\",\n                  \"font_weight\": \"bold\"\n                }\n              ]\n            },\n            {\n              \"type\": \"paragraph\",\n              \"runs\": [\n                {\n                  \"text\": \"Dr. Elena Marchetti,\\n                Program Director\"\n                }\n              ]\n            }\n          ]\n        },\n        {\n          \"column_span\": 4,\n          \"blocks\": [\n            {\n              \"type\": \"qr-code\",\n              \"value\": \"https://verify.horizonacademy.com/cert/2026-ADE-07284\",\n              \"width_in_pt\": 80,\n              \"height_in_pt\": 80,\n              \"foreground_hex_color\": \"#000000\",\n              \"background_hex_color\": \"#FFFFFF\"\n            }\n          ]\n        }\n      ]\n    }\n  ]\n}"
      },
      "type": "n8n-nodes-iterationlayer.iterationLayer",
      "typeVersion": 1,
      "position": [
        500,
        300
      ],
      "id": "a859a86f-0bbc-4716-a641-32decccea99f",
      "name": "Generate Document",
      "credentials": {
        "iterationLayerApi": {
          "name": "<your credential>"
        }
      }
    }
  ],
  "connections": {
    "Manual Trigger": {
      "main": [
        [
          {
            "node": "Generate Document",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "settings": {
    "executionOrder": "v1"
  }
}

Credentials you'll need

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• iterationLayerApi

About this workflow

Generate PDF Certificate. Uses n8n-nodes-iterationlayer. Event-driven trigger; 4 nodes.

Source: https://github.com/iterationlayer/n8n-nodes-iterationlayer/blob/bace31184f731518d49ad0fdbab3f84c4a769cf0/templates/generate-pdf-certificate.json — original creator credit. Request a take-down →

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