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generate-certificate-image

Generate a professional certificate image with recipient name, course title, and completion date for digital sharing, social media, or email delivery.

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iterationlayer/skills

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SKILL.md14.9 KB

SKILL.md (original)

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Generate Certificate Image

Online course platforms and training providers use this recipe to generate a completion certificate on the fly. Define a canvas with an elegant background, add a decorative border, and render the recipient's name, course title, and date — ready for digital sharing, social media, or email delivery.

APIs Used

Image Generation (1 credits/request)

Prerequisites

You need an Iteration Layer API key. Get one at platform.iterationlayer.com during the 7-day trial.

For full integration guidance (SDKs, auth, MCP, error handling), see the Iteration Layer Integration Guide.

Implementation

curl -X POST https://api.iterationlayer.com/image-generation/v1/render \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "dimensions": {
      "width_in_px": 1200,
      "height_in_px": 800
    },
    "layers": [
      {
        "index": 0,
        "type": "solid-color",
        "hex_color": "#FFFDF5"
      },
      {
        "index": 1,
        "type": "solid-color",
        "hex_color": "#C9A84C",
        "position": {
          "x_in_px": 30.0,
          "y_in_px": 30.0
        },
        "dimensions": {
          "width_in_px": 1140,
          "height_in_px": 740
        }
      },
      {
        "index": 2,
        "type": "solid-color",
        "hex_color": "#FFFDF5",
        "position": {
          "x_in_px": 40.0,
          "y_in_px": 40.0
        },
        "dimensions": {
          "width_in_px": 1120,
          "height_in_px": 720
        }
      },
      {
        "index": 3,
        "type": "text",
        "text": "Certificate of Completion",
        "font_name": "Playfair Display",
        "font_size_in_px": 42,
        "text_color": "#333333",
        "text_align": "center",
        "position": {
          "x_in_px": 100.0,
          "y_in_px": 100.0
        },
        "dimensions": {
          "width_in_px": 1000,
          "height_in_px": 60
        }
      },
      {
        "index": 4,
        "type": "text",
        "text": "Jane Smith",
        "font_name": "Playfair Display",
        "font_size_in_px": 56,
        "text_color": "#1a1a1a",
        "text_align": "center",
        "font_weight": "bold",
        "position": {
          "x_in_px": 100.0,
          "y_in_px": 280.0
        },
        "dimensions": {
          "width_in_px": 1000,
          "height_in_px": 80
        }
      },
      {
        "index": 5,
        "type": "text",
        "text": "Advanced API Design",
        "font_name": "Inter",
        "font_size_in_px": 28,
        "text_color": "#555555",
        "text_align": "center",
        "position": {
          "x_in_px": 100.0,
          "y_in_px": 420.0
        },
        "dimensions": {
          "width_in_px": 1000,
          "height_in_px": 50
        }
      },
      {
        "index": 6,
        "type": "text",
        "text": "March 5, 2026",
        "font_name": "Inter",
        "font_size_in_px": 20,
        "text_color": "#888888",
        "text_align": "center",
        "position": {
          "x_in_px": 100.0,
          "y_in_px": 600.0
        },
        "dimensions": {
          "width_in_px": 1000,
          "height_in_px": 40
        }
      }
    ],
    "output_format": "png"
  }'

import { IterationLayer } from "iterationlayer";
const client = new IterationLayer({ apiKey: "YOUR_API_KEY" });

const result = await client.generateImage({
  dimensions: {
    width_in_px: 1200,
    height_in_px: 800,
  },
  layers: [
    {
      index: 0,
      type: "solid-color",
      hex_color: "#FFFDF5",
    },
    {
      index: 1,
      type: "solid-color",
      hex_color: "#C9A84C",
      position: {
        x_in_px: 30,
        y_in_px: 30,
      },
      dimensions: {
        width_in_px: 1140,
        height_in_px: 740,
      },
    },
    {
      index: 2,
      type: "solid-color",
      hex_color: "#FFFDF5",
      position: {
        x_in_px: 40,
        y_in_px: 40,
      },
      dimensions: {
        width_in_px: 1120,
        height_in_px: 720,
      },
    },
    {
      index: 3,
      type: "text",
      text: "Certificate of Completion",
      font_name: "Playfair Display",
      font_size_in_px: 42,
      text_color: "#333333",
      text_align: "center",
      position: {
        x_in_px: 100,
        y_in_px: 100,
      },
      dimensions: {
        width_in_px: 1000,
        height_in_px: 60,
      },
    },
    {
      index: 4,
      type: "text",
      text: "Jane Smith",
      font_name: "Playfair Display",
      font_size_in_px: 56,
      text_color: "#1a1a1a",
      text_align: "center",
      font_weight: "bold",
      position: {
        x_in_px: 100,
        y_in_px: 280,
      },
      dimensions: {
        width_in_px: 1000,
        height_in_px: 80,
      },
    },
    {
      index: 5,
      type: "text",
      text: "Advanced API Design",
      font_name: "Inter",
      font_size_in_px: 28,
      text_color: "#555555",
      text_align: "center",
      position: {
        x_in_px: 100,
        y_in_px: 420,
      },
      dimensions: {
        width_in_px: 1000,
        height_in_px: 50,
      },
    },
    {
      index: 6,
      type: "text",
      text: "March 5, 2026",
      font_name: "Inter",
      font_size_in_px: 20,
      text_color: "#888888",
      text_align: "center",
      position: {
        x_in_px: 100,
        y_in_px: 600,
      },
      dimensions: {
        width_in_px: 1000,
        height_in_px: 40,
      },
    },
  ],
  output_format: "png",
});

from iterationlayer import IterationLayer
client = IterationLayer(api_key="YOUR_API_KEY")

result = client.generate_image(
    dimensions={
        "width_in_px": 1200,
        "height_in_px": 800,
    },
    layers=[
        {
            "index": 0,
            "type": "solid-color",
            "hex_color": "#FFFDF5",
        },
        {
            "index": 1,
            "type": "solid-color",
            "hex_color": "#C9A84C",
            "position": {
                "x_in_px": 30,
                "y_in_px": 30,
            },
            "dimensions": {
                "width_in_px": 1140,
                "height_in_px": 740,
            },
        },
        {
            "index": 2,
            "type": "solid-color",
            "hex_color": "#FFFDF5",
            "position": {
                "x_in_px": 40,
                "y_in_px": 40,
            },
            "dimensions": {
                "width_in_px": 1120,
                "height_in_px": 720,
            },
        },
        {
            "index": 3,
            "type": "text",
            "text": "Certificate of Completion",
            "font_name": "Playfair Display",
            "font_size_in_px": 42,
            "text_color": "#333333",
            "text_align": "center",
            "position": {
                "x_in_px": 100,
                "y_in_px": 100,
            },
            "dimensions": {
                "width_in_px": 1000,
                "height_in_px": 60,
            },
        },
        {
            "index": 4,
            "type": "text",
            "text": "Jane Smith",
            "font_name": "Playfair Display",
            "font_size_in_px": 56,
            "text_color": "#1a1a1a",
            "text_align": "center",
            "font_weight": "bold",
            "position": {
                "x_in_px": 100,
                "y_in_px": 280,
            },
            "dimensions": {
                "width_in_px": 1000,
                "height_in_px": 80,
            },
        },
        {
            "index": 5,
            "type": "text",
            "text": "Advanced API Design",
            "font_name": "Inter",
            "font_size_in_px": 28,
            "text_color": "#555555",
            "text_align": "center",
            "position": {
                "x_in_px": 100,
                "y_in_px": 420,
            },
            "dimensions": {
                "width_in_px": 1000,
                "height_in_px": 50,
            },
        },
        {
            "index": 6,
            "type": "text",
            "text": "March 5, 2026",
            "font_name": "Inter",
            "font_size_in_px": 20,
            "text_color": "#888888",
            "text_align": "center",
            "position": {
                "x_in_px": 100,
                "y_in_px": 600,
            },
            "dimensions": {
                "width_in_px": 1000,
                "height_in_px": 40,
            },
        },
    ],
    output_format="png",
)

package main

import il "github.com/iterationlayer/sdk-go"

func main() {
	client := il.NewClient("YOUR_API_KEY")

	result, err := client.GenerateImage(il.GenerateImageRequest{
		Dimensions:   il.Dimensions{
    WidthInPx: 1200,
    HeightInPx: 800,
  },
		OutputFormat: "png",
		Layers: []il.Layer{
			il.NewSolidColorBackgroundLayer(0, "#FFFDF5"),
			il.NewRectangleLayer(1, "#C9A84C",
				il.Position{
      XInPx: 30,
      YInPx: 30,
    },
				il.Dimensions{
      WidthInPx: 1140,
      HeightInPx: 740,
    }),
			il.NewRectangleLayer(2, "#FFFDF5",
				il.Position{
      XInPx: 40,
      YInPx: 40,
    },
				il.Dimensions{
      WidthInPx: 1120,
      HeightInPx: 720,
    }),
			il.NewTextLayer(3, "Certificate of Completion", "Playfair Display", 42, "#333333",
				il.Position{
      XInPx: 100,
      YInPx: 100,
    },
				il.Dimensions{
      WidthInPx: 1000,
      HeightInPx: 60,
    }),
			il.NewTextLayer(4, "Jane Smith", "Playfair Display", 56, "#1a1a1a",
				il.Position{
      XInPx: 100,
      YInPx: 280,
    },
				il.Dimensions{
      WidthInPx: 1000,
      HeightInPx: 80,
    }),
			il.NewTextLayer(5, "Advanced API Design", "Inter", 28, "#555555",
				il.Position{
      XInPx: 100,
      YInPx: 420,
    },
				il.Dimensions{
      WidthInPx: 1000,
      HeightInPx: 50,
    }),
			il.NewTextLayer(6, "March 5, 2026", "Inter", 20, "#888888",
				il.Position{
      XInPx: 100,
      YInPx: 600,
    },
				il.Dimensions{
      WidthInPx: 1000,
      HeightInPx: 40,
    }),
		},
	})
	if err != nil {
		panic(err)
	}
}

{
  "name": "Generate Certificate Image",
  "nodes": [
    {
      "parameters": {
        "content": "## Generate Certificate Image\n\nOnline course platforms and training providers use this recipe to generate a completion certificate on the fly. Define a canvas with an elegant background, add a decorative border, and render the recipient's name, course title, and date \u2014 ready for digital sharing, social media, or email delivery.\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_in_px": 280,
        "width_in_px": 500,
        "color": 2
      },
      "type": "n8n-nodes-base.stickyNote",
      "typeVersion": 1,
      "position": [
        200,
        40
      ],
      "id": "1a01d85c-c071-4b66-85a6-72a142bc3d8f",
      "name": "Overview"
    },
    {
      "parameters": {
        "content": "### Step 1: Generate Image\nResource: **Image Generation**\n\nConfigure the Image Generation parameters below, then connect your credentials.",
        "height_in_px": 160,
        "width_in_px": 300,
        "color": 6
      },
      "type": "n8n-nodes-base.stickyNote",
      "typeVersion": 1,
      "position": [
        475,
        100
      ],
      "id": "fb427096-5eed-4db4-a00a-6a709c63e4fe",
      "name": "Step 1 Note"
    },
    {
      "parameters": {},
      "type": "n8n-nodes-base.manualTrigger",
      "typeVersion": 1,
      "position": [
        250,
        300
      ],
      "id": "b2c3d4e5-2222-4000-8000-000000000001",
      "name": "Manual Trigger"
    },
    {
      "parameters": {
        "resource": "imageGeneration",
        "widthInPx": 1200,
        "heightInPx": 800,
        "outputFormat": "png",
        "layersJson": "[{\"index\":0,\"type\":\"solid-color\",\"hex_color\":\"#FFFDF5\"},{\"index\":1,\"type\":\"solid-color\",\"hex_color\":\"#C9A84C\",\"position\":{\"x\":30.0,\"y\":30.0},\"dimensions\":{\"width\":1140,\"height\":740}},{\"index\":2,\"type\":\"solid-color\",\"hex_color\":\"#FFFDF5\",\"position\":{\"x\":40.0,\"y\":40.0},\"dimensions\":{\"width\":1120,\"height\":720}},{\"index\":3,\"type\":\"text\",\"text\":\"Certificate of Completion\",\"font_name\":\"Playfair Display\",\"font_size_in_px\":42,\"text_color\":\"#333333\",\"text_align\":\"center\",\"position\":{\"x\":100.0,\"y\":100.0},\"dimensions\":{\"width\":1000,\"height\":60}},{\"index\":4,\"type\":\"text\",\"text\":\"Jane Smith\",\"font_name\":\"Playfair Display\",\"font_size_in_px\":56,\"text_color\":\"#1a1a1a\",\"text_align\":\"center\",\"font_weight\":\"bold\",\"position\":{\"x\":100.0,\"y\":280.0},\"dimensions\":{\"width\":1000,\"height\":80}},{\"index\":5,\"type\":\"text\",\"text\":\"Advanced API Design\",\"font_name\":\"Inter\",\"font_size_in_px\":28,\"text_color\":\"#555555\",\"text_align\":\"center\",\"position\":{\"x\":100.0,\"y\":420.0},\"dimensions\":{\"width\":1000,\"height\":50}},{\"index\":6,\"type\":\"text\",\"text\":\"March 5, 2026\",\"font_name\":\"Inter\",\"font_size_in_px\":20,\"text_color\":\"#888888\",\"text_align\":\"center\",\"position\":{\"x\":100.0,\"y\":600.0},\"dimensions\":{\"width\":1000,\"height\":40}}]",
        "fontsJson": "[]"
      },
      "type": "n8n-nodes-iterationlayer.iterationLayer",
      "typeVersion": 1,
      "position": [
        500,
        300
      ],
      "id": "b2c3d4e5-2222-4000-8000-000000000002",
      "name": "Generate Image",
      "credentials": {
        "iterationLayerApi": {
          "id": "1",
          "name": "Iteration Layer API"
        }
      }
    }
  ],
  "connections": {
    "Manual Trigger": {
      "main": [
        [
          {
            "node": "Generate Image",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "settings": {
    "executionOrder": "v1"
  }
}

Generate a certificate of completion image at 1200x800 pixels. Use the generate_image tool with these layers:

1. Background: solid-color layer with cream (#FFFDF5)
2. Border: solid-color layer with gold (#C9A84C) inset 30px
3. Inner fill: solid-color layer with cream inset 40px
4. Title: text layer with "Certificate of Completion" centered
5. Recipient: text layer with [recipient name] in large bold serif font
6. Course: text layer with [course title] centered
7. Date: text layer with [completion date] centered

Response

{
  "success": true,
  "data": {
    "buffer": "iVBORw0KGgoAAAANSUhEUgAA...",
    "mime_type": "image/png"
  }
}

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Install

Install with a command

npx skills add https://github.com/iterationlayer/skills --skill generate-certificate-image

Paste it into your terminal and run it (requires Node.js). You can choose which agents to install it for, such as Claude Code or Codex.

Ask your agent

Please install the following Agent Skill.
https://github.com/iterationlayer/skills/tree/main/skills/generate-certificate-image

First review SKILL.md and the bundled files and confirm there is nothing suspicious (such as sending data externally or reading credentials). Then place it in ~/.claude/skills/generate-certificate-image/ for Claude Code, or ~/.agents/skills/generate-certificate-image/ for Codex.

Send this text to Claude Code or Codex as is. It checks the contents before installing.

View source on GitHub

Repository: iterationlayer/skills
Stars: 4
Forks: 0
Category: Media
License: MIT
Original language: English
Last updated: Jun 9, 2026

A skill is a set of instructions and scripts for an agent. cccskills does not guarantee that skills are safe. Review the contents before you install.

Files included (1)

SKILL.md (original)

Generate Certificate Image

APIs Used

Prerequisites

Implementation

Response

Links

Reviews

Comments

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