Introduction to the HTTP Tool
Explore the capabilities of the HTTP Tool within n8n by understanding how AI agents can interact with external web services. This workflow demonstrates a foundational setup where two OpenAI Chat Model nodes (AI:lmChatOpenAi) are configured, along with an Activity Tool (AI:toolHttpRequest) and a Webscraper Tool (AI:toolHttpRequest), to facilitate AI-driven web requests. Two AI Agent nodes (AI:agent) are central to orchestrating these interactions, receiving initial input from 'Set ChatInput' and 'Set ChatInput1' nodes, which are triggered manually when the workflow is tested. This setup is ideal for developers and businesses looking to integrate AI agents with custom APIs, perform data retrieval from websites, or automate interactions with web-based tools without direct human intervention. It provides a clear example of how to leverage n8n's AI capabilities to extend automation beyond pre-built integrations, saving significant development time and enabling rapid prototyping of AI-powered web interactions.
Workflow JSON
{"meta": {"instanceId": "26ba763460b97c249b82942b23b6384876dfeb9327513332e743c5f6219c2b8e"}, "nodes": [{"id": "abccacce-bbdc-428e-94e0-19996c5bfe02", "name": "Sticky Note", "type": "n8n-nodes-base.stickyNote", "position": [1720, 160], "parameters": {"color": 7, "width": 319.5392879244982, "height": 218.88813194060202, "content": "### AI agent that can scrape webpages\nRemake of https://n8n.io/workflows/2006-ai-agent-that-can-scrape-webpages/\n\n**Changes**:\n* Replaces Execute Workflow Tool and Subworkflow\n* Replaces Response Formatting"}, "typeVersion": 1}, {"id": "9fc05c79-5a2d-4ac4-a4f5-32b9c1b385e1", "name": "OpenAI Chat Model", "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi", "position": [1340, 340], "parameters": {"options": {}}, "credentials": {"openAiApi": {"id": "", "name": "[Your openAiApi]"}}, "typeVersion": 1}, {"id": "45c9bdaf-d51e-4026-8911-4b04c5473b06", "name": "Sticky Note1", "type": "n8n-nodes-base.stickyNote", "position": [1720, 560], "parameters": {"color": 7, "width": 365.9021913627245, "height": 245.35379866205295, "content": "### Allow your AI to call an API to fetch data\nRemake of https://n8n.io/workflows/2094-allow-your-ai-to-call-an-api-to-fetch-data/\n\n**Changes**:\n* Replaces Execute Workflow Tool and Subworkflow\n* Replaces Manual Query Params Definitions\n* Replaces Response Formatting"}, "typeVersion": 1}, {"id": "bc1754e6-01f4-4561-8814-c08feb45acec", "name": "OpenAI Chat Model1", "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi", "position": [1340, 740], "parameters": {"options": {}}, "credentials": {"openAiApi": {"id": "", "name": "[Your openAiApi]"}}, "typeVersion": 1}, {"id": "a40230ae-6050-4bb8-b275-3a893dc3ad98", "name": "Activity Tool", "type": "@n8n/n8n-nodes-langchain.toolHttpRequest", "position": [1560, 740], "parameters": {"url": "https://bored-api.appbrewery.com/filter", "sendQuery": true, "parametersQuery": {"values": [{"name": "type"}, {"name": "participants"}]}, "toolDescription": "Call this tool to suggest an activity where:\n* the parameter \"type\" is one of \"education\", \"recreational\",\"social\",\"diy\",\"charity\",\"cooking\",\"relaxation\",\"music\",\"busywork\"\n* the parameter \"participants\" is the number of participants for the activity"}, "typeVersion": 1}, {"id": "297377e0-e149-4786-b521-82670ac390a7", "name": "Set ChatInput1", "type": "n8n-nodes-base.set", "position": [1180, 560], "parameters": {"options": {}, "assignments": {"assignments": [{"id": "e976bf5f-8803-4129-9136-115b3d15755c", "name": "chatInput", "type": "string", "value": "Hi! Please suggest something to do. I feel like learning something new!"}]}}, "typeVersion": 3.4}, {"id": "a9128da1-4486-4a17-b9b3-64ebc402348d", "name": "AI Agent1", "type": "@n8n/n8n-nodes-langchain.agent", "position": [1360, 560], "parameters": {"text": "={{ $json.chatInput }}", "options": {}, "promptType": "define"}, "typeVersion": 1.6}, {"id": "28a5e75e-e32d-4c94-bea2-7347923e6bb9", "name": "Set ChatInput", "type": "n8n-nodes-base.set", "position": [1160, 160], "parameters": {"options": {}, "assignments": {"assignments": [{"id": "9695c156-c882-4e43-8a4e-70fbdc1a63de", "name": "chatInput", "type": "string", "value": "Can get the latest 10 issues from https://github.com/n8n-io/n8n/issues?"}]}}, "typeVersion": 3.4}, {"id": "d29b30fb-7edb-4665-bc6b-a511caf9db9f", "name": "When clicking \u2018Test workflow\u2019", "type": "n8n-nodes-base.manualTrigger", "position": [900, 400], "parameters": {}, "typeVersion": 1}, {"id": "066f9cdd-4bd3-48a1-bf9b-32eda3e28945", "name": "AI Agent", "type": "@n8n/n8n-nodes-langchain.agent", "position": [1360, 160], "parameters": {"text": "={{ $json.chatInput }}", "options": {}, "promptType": "define"}, "typeVersion": 1.6}, {"id": "fb4abae8-7e38-47b7-9595-403e523f7125", "name": "Webscraper Tool", "type": "@n8n/n8n-nodes-langchain.toolHttpRequest", "position": [1560, 340], "parameters": {"url": "https://api.firecrawl.dev/v0/scrape", "fields": "markdown", "method": "POST", "sendBody": true, "dataField": "data", "authentication": "genericCredentialType", "parametersBody": {"values": [{"name": "url"}, {"name": "pageOptions", "value": "={{ {\n onlyMainContent: true,\n replaceAllPathsWithAbsolutePaths: true,\n removeTags: 'img,svg,video,audio'\n} }}", "valueProvider": "fieldValue"}]}, "fieldsToInclude": "selected", "genericAuthType": "httpHeaderAuth", "toolDescription": "Call this tool to fetch a webpage content.", "optimizeResponse": true}, "credentials": {"httpHeaderAuth": {"id": "", "name": "[Your httpHeaderAuth]"}}, "typeVersion": 1}, {"id": "73d3213c-1ecb-4007-b882-1cc756a6f6e0", "name": "Sticky Note2", "type": "n8n-nodes-base.stickyNote", "position": [420, 120], "parameters": {"width": 413.82332632615135, "height": 435.92895157500243, "content": "## Try It Out!\n\n### The HTTP tool is drastically simplifies API-enabled AI agents cutting down the number of workflow nodes by as much as 10!\n\n* Available since v1.47.0\n* Recommended for single purpose APIs which don't require much post-fetch formatting.\n* If you require a chain of API calls, you may need to implement a subworkflow instead.\n\n### Need Help?\nJoin the [Discord](https://discord.com/invite/XPKeKXeB7d) or ask in the [Forum](https://community.n8n.io/)!\n\nHappy Hacking!"}, "typeVersion": 1}], "pinData": {}, "connections": {"Activity Tool": {"ai_tool": [[{"node": "AI Agent1", "type": "ai_tool", "index": 0}]]}, "Set ChatInput": {"main": [[{"node": "AI Agent", "type": "main", "index": 0}]]}, "Set ChatInput1": {"main": [[{"node": "AI Agent1", "type": "main", "index": 0}]]}, "Webscraper Tool": {"ai_tool": [[{"node": "AI Agent", "type": "ai_tool", "index": 0}]]}, "OpenAI Chat Model": {"ai_languageModel": [[{"node": "AI Agent", "type": "ai_languageModel", "index": 0}]]}, "OpenAI Chat Model1": {"ai_languageModel": [[{"node": "AI Agent1", "type": "ai_languageModel", "index": 0}]]}, "When clicking \u2018Test workflow\u2019": {"main": [[{"node": "Set ChatInput", "type": "main", "index": 0}, {"node": "Set ChatInput1", "type": "main", "index": 0}]]}}}How to Import This Workflow
- 1Copy the workflow JSON above using the Copy Workflow JSON button.
- 2Open your n8n instance and go to Workflows.
- 3Click Import from JSON and paste the copied workflow.
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