Generate AI Responses with Perplexity Sonar Models (reusable Module)

The workflow JSON

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{
  "id": "YUOkKLDiARiuwpTP",
  "meta": {
    "templateCredsSetupCompleted": true
  },
  "name": "Perplexity(sonar) for publication",
  "tags": [],
  "nodes": [
    {
      "id": "33f3c51d-45f0-4c2b-9981-a413ae50772e",
      "name": "Sticky Note",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -420,
        -520
      ],
      "parameters": {
        "color": 4,
        "width": 980,
        "height": 240,
        "content": "## \ud83d\udd0d Perplexity API Integration\n\nThis workflow sends a request to Perplexity\u2019s chat completion API using the `sonar` or `sonar-pro` model.\n\n\u27a1\ufe0f Triggered via \"Execute Workflow\"  \n\ud83d\udce4 Accepts dynamic `SystemPrompt` and `UserPrompt`  \n\ud83d\udd10 Supports Header Auth\n\n\ud83d\udcd8 [API Docs](https://docs.perplexity.ai/api-reference/async-chat-completions-post)"
      },
      "typeVersion": 1
    },
    {
      "id": "19797db1-b7bb-47c9-b13f-983639639309",
      "name": "When Executed by Another Workflow",
      "type": "n8n-nodes-base.executeWorkflowTrigger",
      "position": [
        0,
        0
      ],
      "parameters": {
        "workflowInputs": {
          "values": [
            {
              "name": "SystemPrompt"
            },
            {
              "name": "UserPrompt"
            }
          ]
        }
      },
      "typeVersion": 1.1
    },
    {
      "id": "58674959-f4bb-4bae-a6cd-600059072b6b",
      "name": "Parameters",
      "type": "n8n-nodes-base.set",
      "position": [
        240,
        0
      ],
      "parameters": {
        "options": {},
        "assignments": {
          "assignments": [
            {
              "id": "18e5ccd4-5538-4ace-9957-00a2c0c43518",
              "name": "model",
              "type": "string",
              "value": "sonar"
            }
          ]
        }
      },
      "typeVersion": 3.4
    },
    {
      "id": "cf181e63-9a9b-4ab0-a4cf-cf8e8ceba85f",
      "name": "Sticky Note1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        240,
        -260
      ],
      "parameters": {
        "width": 330,
        "height": 240,
        "content": "## \ud83e\udde0 Supported Models\n\n- `sonar`\n- `sonar-pro`\n\n\ud83d\udcd8 [Model cards and capabilities](https://docs.perplexity.ai/models/model-cards)\n\nTo switch models, change the `\"model\"` value in the **Parameters** node."
      },
      "typeVersion": 1
    },
    {
      "id": "aed49866-4b61-4170-aafb-7c70b2312a3a",
      "name": "Perplexity API Request",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        460,
        0
      ],
      "parameters": {
        "url": "https://api.perplexity.ai/chat/completions",
        "method": "POST",
        "options": {},
        "jsonBody": "={\n  \"model\": \"{{$('Parameters').item.json.model}}\",\n  \"messages\": [\n    {\n      \"role\": \"system\",\n      \"content\": \"{{ $('When Executed by Another Workflow').item.json.SystemPrompt }}\"\n    },\n    {\n      \"role\": \"user\",\n      \"content\": \"{{ $('When Executed by Another Workflow').item.json.UserPrompt }}\"\n    }\n  ]\n}",
        "sendBody": true,
        "specifyBody": "json",
        "authentication": "genericCredentialType",
        "genericAuthType": "httpHeaderAuth"
      },
      "typeVersion": 4.2
    },
    {
      "id": "0ae885d9-e8bf-4974-9741-46875836e6d7",
      "name": "Sticky Note2",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -420,
        -260
      ],
      "parameters": {
        "width": 380,
        "height": 460,
        "content": "## \ud83e\udde9 Input Parameters\n\nThis workflow expects **two inputs** when triggered from another workflow:\n\n- `SystemPrompt` \ud83e\udde0  \n  \u2192 Sets the system message (e.g., behavior or tone) for the LLM.\n\n- `UserPrompt` \ud83d\udcac  \n  \u2192 The main user question or instruction for the model.\n\n\ud83d\udccc These inputs are used to construct the `messages` array for the Perplexity API.\n\nYou can pass them via the \u201cExecute Workflow\u201d node in your parent workflow."
      },
      "typeVersion": 1
    }
  ],
  "active": false,
  "settings": {
    "executionOrder": "v1"
  },
  "versionId": "a1639271-f212-461b-b661-b0ecad7e9ebb",
  "connections": {
    "Parameters": {
      "main": [
        [
          {
            "node": "Perplexity API Request",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Perplexity API Request": {
      "main": [
        []
      ]
    },
    "When Executed by Another Workflow": {
      "main": [
        [
          {
            "node": "Parameters",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}

About this workflow

This reusable workflow allows you to interact with the Perplexity API using the or models. It is designed to be triggered from other workflows and accepts dynamic prompts via input parameters. 🧱 Modular: Triggered using from any other workflow 📥 Inputs: : Set your system-level…

Source: https://n8n.io/workflows/4978/ — original creator credit. Request a take-down →

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