AI Chatbot with OpenAI Agent

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": "n8n2API(No memory)",
  "nodes": [
    {
      "parameters": {
        "public": true,
        "options": {
          "allowFileUploads": true
        }
      },
      "id": "9768a023-d488-4cdf-8407-5a0b187c4073",
      "name": "When chat message received",
      "type": "@n8n/n8n-nodes-langchain.chatTrigger",
      "position": [
        1100,
        300
      ],
      "typeVersion": 1.1
    },
    {
      "parameters": {
        "path": "v1/models",
        "responseMode": "responseNode",
        "options": {}
      },
      "id": "f0f3f61a-c056-48d6-bc3c-027bb717687f",
      "name": "Webhook",
      "type": "n8n-nodes-base.webhook",
      "position": [
        1880,
        300
      ],
      "typeVersion": 2
    },
    {
      "parameters": {
        "url": "https://api.72live.com/v1/models",
        "sendHeaders": true,
        "headerParameters": {
          "parameters": [
            {
              "name": "Authorization",
              "value": "<redacted-credential>"
            }
          ]
        },
        "options": {}
      },
      "id": "aee1cb92-7fd5-4f3a-923a-a953fec33d6f",
      "name": "OpenAI Models",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        2100,
        300
      ],
      "typeVersion": 4.2
    },
    {
      "parameters": {
        "httpMethod": "POST",
        "path": "v1/chat/completions",
        "responseMode": "responseNode",
        "options": {}
      },
      "id": "8c8cda9e-3009-43df-86af-6f10dad15c23",
      "name": "POST ChatCompletions",
      "type": "n8n-nodes-base.webhook",
      "position": [
        1100,
        940
      ],
      "typeVersion": 2
    },
    {
      "parameters": {
        "mode": "runOnceForEachItem",
        "jsCode": "// === Code \u8282\u70b9\u4ee3\u7801: \u7248\u672c B ===\n// \u6cbf\u7528\u4f60\u539f\u6765\u7684\u51fd\u6570\u5b9a\u4e49\nfunction tranformContent(content) {\n // \u5b89\u5168\u5904\u7406: \u5982\u679c content \u662f null \u6216 undefined\uff0c\u8fd4\u56de\u7a7a\u6570\u7ec4\n  if (content == null) return [];\n  \n  // \u517c\u5bb9 content \u662f string \u548c content \u662f [{type:\"text\", text:\"\"}, {type:\"image_url\",...}] \u7684\u60c5\u51b5\n  const contentArray = [].concat(content);\n\n  return contentArray.map(item => {\n     // \u5982\u679c\u4f20\u5165\u7684 content \u662f \"string\" \u6216\u6570\u7ec4\u5143\u7d20\u662f \"string\"\n    if (typeof item === 'string') {\n      return { type: \"input_text\", text: item };\n    }\n     // \u5982\u679c content \u5df2\u7ecf\u662f\u5bf9\u8c61 {type:..., text:...} \u6216 {type: 'image_url', image_url: {url:..}}\n     if(typeof item === 'object' && item !== null && item.type){\n        // \u5904\u7406\u6587\u672c\n        if(item.type === 'text'){\n            return { type: \"input_text\", text: item.text || \"\" };\n        }\n        // \u5904\u7406\u56fe\u7247 (\u6ce8\u610f\uff1a\u4f60\u7684\u539f\u59cb\u903b\u8f91\u91cc item.type === 'image_url' \u65f6\u7684 key \u62fc\u88c5, \u786e\u4fdd\u76ee\u6807API\u63a5\u53d7\uff01)\n        // \u539f\u59cb\u903b\u8f91\uff1a { type: getInputType(item.type), [item.type]: item[item.type].url }\n        // \u5982\u679c item = { type: 'image_url', image_url: { url: 'http..' } }\n        // \u7ed3\u679c\u662f\uff1a { type: 'input_image', 'image_url': 'http..' } <-- \u786e\u8ba4\u8fd9\u662f\u76ee\u6807API\u8981\u7684\u683c\u5f0f\n         if(item.type === 'image_url' && item.image_url?.url){\n             return { type: getInputType(item.type), [item.type]: item[item.type].url  } // \u4fdd\u6301\u4f60\u7684\u903b\u8f91\n         }\n        // \u589e\u52a0\u5176\u4ed6\u7c7b\u578b\u7684\u5904\u7406\u6216\u8fd4\u56de\u7a7a/\u9ed8\u8ba4\n         return { type: \"input_text\", text: `[Unsupported content type: ${item.type}]`}; //\u6216\u8fc7\u6ee4\u6389 filter\n\n     }\n    return null; // \u65e0\u6548\u9879\n  }).filter(Boolean); // \u8fc7\u6ee4\u6389 null \u9879\n\n};\n\n// \u6cbf\u7528\nfunction getInputType(type) {\n  if (type === 'image_url') return 'input_image';\n  if (type === 'file_url') return 'input_file';\n   // OpenAI standard client uses \"text\", map it to your target \"input_text\"\n  if (type === 'text') return 'input_text'; \n  return 'input_text';\n}\n\n\n// --- \u6838\u5fc3\u4fee\u6539\u4ece\u8fd9\u91cc\u5f00\u59cb ---\n\n// \u5047\u8bbe\u8f93\u5165\u6570\u636e\u6765\u81ea\u4e0a\u4e00\u4e2a\u8282\u70b9 (Webhook \u8282\u70b9)\n// \u8bf7\u4ece\u5de6\u4fa7 Input \u9762\u677f\u62d6\u62fd\u786e\u8ba4 $input.item.json.body \u7684\u8def\u5f84\u6b63\u786e\nconst requestBody = $input.item.json.body; \n\n // \u589e\u52a0\u5b89\u5168\u6027\u68c0\u67e5\nif (!requestBody) {\n  return { model: null, messages: [], stream: false, error: \"Request body missing\" };\n}\nconst originalMessages = requestBody.messages || [];\n\n// \u4f7f\u7528\u4f60\u7684 map \u903b\u8f91\uff0c\u4f46\u53d8\u91cf\u540d\u6539\u4e3a finalMessages\nconst finalMessages = originalMessages.map(message => ({\n  role: message.role,\n  content: tranformContent(message.content) // \u4f7f\u7528\u4f60\u539f\u6765\u7684\u8f6c\u6362\u51fd\u6570\n}));\n\n// !!! \u5173\u952e\u4fee\u6539\uff1a \u8fd4\u56de HTTP Request \u8282\u70b9\u6240\u9700\u7684\u5b8c\u6574\u7ed3\u6784 !!!\n// \u800c\u4e0d\u662f return { input };\nreturn { \n   model: requestBody.model,\n   messages: finalMessages, // \u952e\u540d\u662f messages, \u4e0d\u662f input\n   stream: requestBody.stream === true, // \u786e\u4fdd\u662f boolean\n};\n"
      },
      "id": "6cfff2ab-ea1e-46a1-b6ac-c44c66efb261",
      "name": "Remap to Response API Schema",
      "type": "n8n-nodes-base.code",
      "position": [
        1320,
        940
      ],
      "typeVersion": 2
    },
    {
      "parameters": {
        "method": "POST",
        "url": "https://api.72live.com/v1/chat/completions",
        "sendHeaders": true,
        "headerParameters": {
          "parameters": [
            {
              "name": "Authorization",
              "value": "<redacted-credential>"
            }
          ]
        },
        "sendBody": true,
        "specifyBody": "json",
        "jsonBody": "={\n  \"model\": \"{{ $json.model }}\", \n  \"messages\": {{ JSON.stringify($json.messages) }},\n  \"stream\": {{ $json.stream }}\n}",
        "options": {}
      },
      "id": "ee717a86-4c1a-483f-a153-4dcef944bd7c",
      "name": "OpenAI Responses API",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        1540,
        940
      ],
      "typeVersion": 4.2
    },
    {
      "parameters": {
        "model": {
          "__rl": true,
          "value": "gemini-2.0-flash",
          "mode": "list",
          "cachedResultName": "gemini-2.0-flash"
        },
        "options": {}
      },
      "id": "4f70558e-fc48-486e-8d0f-285e8574e58a",
      "name": "n8n Webhook",
      "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
      "position": [
        1280,
        500
      ],
      "typeVersion": 1.2,
      "credentials": {
        "openAiApi": {
          "name": "<your credential>"
        }
      }
    },
    {
      "parameters": {
        "content": "## 1. \u521b\u5efa\u65b0\u7684\u81ea\u5b9a\u4e49OpenAI\u51ed\u8bc1\n\u8981\u5728\u73b0\u6709n8n\u8282\u70b9\u4e2d\u4f7f\u7528\u5927\u6a21\u578b\uff0c\u4e00\u79cd\u65b9\u6cd5\u662f\u6a21\u62df\u901a\u8fc7OpenAI\u6a21\u578b\u5b50\u8282\u70b9\u8fde\u63a5\u7684\u517c\u5bb9API\u3002\u542c\u8d77\u6765\u590d\u6742\u4f46\u522b\u62c5\u5fc3\uff0c\u672c\u6a21\u677f\u5c06\u5c55\u793a\u5177\u4f53\u64cd\u4f5c\uff01\u7b2c\u4e00\u6b65\u662f\u8bbe\u7f6e\u65b0\u7684OpenAI\u51ed\u8bc1\uff0c\u4ee5\u4fbf\u6211\u4eec\u80fd\u4fee\u6539\u57fa\u7840URL\u3002",
        "height": 580,
        "width": 700,
        "color": 7
      },
      "id": "c3a2bed1-4d14-4168-9876-ed2ca1b772f9",
      "name": "Sticky Note1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        1020,
        60
      ],
      "typeVersion": 1
    },
    {
      "parameters": {
        "content": "## 2. \u5217\u51fa\u6240\u6709\u53ef\u7528\u6a21\u578b  \n[\u8be6\u7ec6\u4e86\u89e3Webhook\u89e6\u53d1\u5668\u8282\u70b9](https://docs.n8n.io/integrations/builtin/core-nodes/n8n-nodes-base.webhook/)  \n\n\u6211\u4eec\u7684\u7b2c\u4e00\u4e2a\u7aef\u70b9\u7528\u4e8e\u5217\u51fa\u6240\u6709\u6a21\u578b\uff0c\u8fd9\u91cc\u5b9e\u73b0\u662f\u901a\u8fc7\u8c03\u7528\u7b2c\u4e09\u65b9\u5927\u6a21\u578bAPI\u5c55\u793a\u4e86\u5982\u4f55\u5b9e\u73b0\u8fd9\u4e00\u70b9\uff0c\u5b9e\u9645\u5e94\u7528\u53ef\u4ee5\u628a\u6a21\u578b\u7c7b\u578b\u4f5c\u4e3a\u5b50\u6d41\u7a0b\u7684\u5207\u6362\u53c2\u6570",
        "height": 580,
        "width": 800,
        "color": 7
      },
      "id": "d255bec2-66a2-4ead-b8e0-9099f08c3d78",
      "name": "Sticky Note2",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        1760,
        60
      ],
      "typeVersion": 1
    },
    {
      "parameters": {
        "mode": "runOnceForEachItem",
        "jsCode": "// \u6b64\u65f6 $json \u76f4\u63a5\u5c31\u662f\u90a3\u4e2a\u5bf9\u8c61: { \"id\": \"...\", choices: [...], usage: {...} }\n// \u6211\u4eec\u76f4\u63a5\u628a $json \u8d4b\u503c\u7ed9 data, \u5e76\u505a\u7b80\u5355\u5224\u7a7a\nconst data = $json; \n\n// \u5982\u679c\u8f93\u5165\u9879\u672c\u8eab\u5c31\u662f null \u6216 undefined\nif (!data) {\n  // \u53ef\u4ee5\u8fd4\u56de\u9519\u8bef\uff0c\u6216\u8005\u8fd4\u56de\u4e00\u4e2a\u7a7a\u7ed3\u6784\uff0c\u89c6\u4e4e\u4f60\u9700\u8981\u5e73\u53f0\u5982\u4f55\u5904\u7406\u7a7a\u9879\n\treturn { error: \"Input item is null or undefined\" }; \n }\n \n // \u589e\u52a0\u5b89\u5168\u5224\u65ad\uff0c\u9632\u6b62 data.choices \u6216 data.usage \u4e0d\u5b58\u5728\u65f6\u62a5\u9519\n const choices = data.choices || [];\n const usage = data.usage || {};\n const message = (choices[0] || {}).message || {}; // \u66f4\u5b89\u5168\u7684\u83b7\u53d6message\n\n// \u76f4\u63a5\u57fa\u4e8e data (\u5373 $json) \u6765\u6784\u5efa\u8fd4\u56de\u7ed3\u6784\nreturn {\n  \"id\": data.id, \n  \"object\": data.object, // \u4f7f\u7528 data.object\n  \"created\": data.created, // \u5339\u914d\u8f93\u5165\u5b57\u6bb5 created\n  \"model\": data.model, \n   // \u91cd\u70b9\u4fee\u6539 choices \u6620\u5c04\u903b\u8f91\n   \"choices\": choices.map((item, idx) => ({\n       index: item.index, \n       finish_reason: item.finish_reason,\n      \"message\": {\n        \"annotations\": undefined, // \u8f93\u5165\u7ed3\u6784\u4e2d\u6ca1\u6709\n         // \u5b89\u5168\u8bbf\u95ee item.message.content\n        \"content\": item.message ? item.message.content : undefined,\n        \"refusal\": null,\n         // \u5b89\u5168\u8bbf\u95ee item.message.role\n        \"role\": item.message ? item.message.role : undefined\n      }\n    })\n  ),\n   // \u91cd\u70b9\u4fee\u6539 usage \u6620\u5c04\u903b\u8f91\uff0c\u5339\u914d\u8f93\u5165\u5b57\u6bb5\u540d\n  \"usage\": {\n    // \u4f7f\u7528 completion_tokens \u4ee3\u66ff output_tokens\n    \"completion_tokens\": usage.completion_tokens,\n    \"completion_tokens_details\": usage.completion_tokens_details,\n     // \u4f7f\u7528 prompt_tokens \u4ee3\u66ff input_tokens_details\n    \"prompt_tokens\": usage.prompt_tokens, \n    \"prompt_tokens_details\": usage.prompt_tokens_details,\n    \"total_tokens\": usage.total_tokens\n  },\n   // \u8f93\u5165\u6570\u636e\u4e2d\u6ca1\u6709 service_tier\n  \"service_tier\": data.service_tier, \n  \"system_fingerprint\": data.id\n}\n\n"
      },
      "id": "5959e1ce-d975-4e67-9cfb-4e4afbf51ac3",
      "name": "Format Completion Response",
      "type": "n8n-nodes-base.code",
      "position": [
        1960,
        1040
      ],
      "typeVersion": 2
    },
    {
      "parameters": {
        "content": "## 3. \u6620\u5c04OpenAI\u54cd\u5e94API\uff0c\u5e76\u533a\u5206Stream\u6d41\u5f0f\u548c\u975e\u6d41\u5f0f\u54cd\u5e94\n[\u4e86\u89e3HTTP\u8bf7\u6c42\u8282\u70b9\u7684\u66f4\u591a\u4fe1\u606f](https://docs.n8n.io/integrations/builtin/core-nodes/n8n-nodes-base.httprequest)\n",
        "height": 580,
        "width": 1540,
        "color": 7
      },
      "id": "98c5989c-1b99-4902-b09e-9193faedd720",
      "name": "Sticky Note3",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        1020,
        660
      ],
      "typeVersion": 1
    },
    {
      "parameters": {
        "mode": "runOnceForEachItem",
        "jsCode": "// \u5047\u8bbe HTTP Request \u8282\u70b9\u5c06\u6574\u4e2a\u4e0a\u6e38 SSE \u54cd\u5e94\u4f53\uff08\u4e00\u4e2a\u957f\u5b57\u7b26\u4e32\uff09\u8f93\u51fa\u5230\u4e86 data \u5c5e\u6027\n// \u68c0\u67e5\u4f60\u7684HTTP Node, \u5982\u679c\u662fBinary data,\u8def\u5f84\u53ef\u80fd\u4e0d\u540c, \u5982 $input.item.binary.myproperty.data\nconst rawStreamString = $input.item.json.data; \n\nif (!rawStreamString) {\n  // \u5982\u679c\u6ca1\u6709\u5185\u5bb9\uff0c\u8fd4\u56de\u7ed3\u675f\u4fe1\u53f7\n  return { data: \"data: [DONE]\\n\\n\" }; \n}\n\nlet fixedId = null; // \u7528\u4e8e\u5b58\u50a8\u6211\u4eec\u6355\u83b7\u5230\u7684\u7b2c\u4e00\u4e2aID\n// let fixedCreated = null; // \u4e5f\u53ef\u4ee5\u7edf\u4e00\u521b\u5efa\u65f6\u95f4\nconst outputChunks = [];\n// SSE\u534f\u8bae\u89c4\u5b9a\u5757\u4e0e\u5757\u4e4b\u95f4\u7528 \\n\\n \u5206\u9694\nconst chunks = rawStreamString.split('\\n\\n'); \n\n for (const chunkStr of chunks) {\n      const trimmedChunk = chunkStr.trim();\n       // \u8df3\u8fc7\u7a7a\u5757\n       if (!trimmedChunk) continue;\n\n       // 1. \u5904\u7406\u7ed3\u675f\u6807\u8bb0 [DONE]\n       // \u6ce8\u610f\uff1a\u6709\u4e9b\u4e0a\u6e38\u53ef\u80fd\u4e0d\u5e26 data: \u524d\u7f00\uff0c\u8fd9\u91cc\u4fdd\u5b88\u5904\u7406\u5e26\u524d\u7f00\u7684\n       if (trimmedChunk === 'data: [DONE]' || trimmedChunk === '[DONE]' ) {\n            outputChunks.push('data: [DONE]'); // \u7edf\u4e00\u8f93\u51fa data: [DONE]\n            continue; // \u5904\u7406\u4e0b\u4e00\u4e2a\n       }\n        \n       // 2. \u786e\u4fdd\u662f data: \u5f00\u5934\u7684\u6570\u636e\u5757\n       if (!trimmedChunk.startsWith('data: ')) {\n            // \u4e0d\u662f\u6807\u51c6 data: \u5757\u6216 [DONE]\uff0c\u5ffd\u7565\u6216\u539f\u6837\u4f20\u9012(\u5ffd\u7565\u66f4\u5b89\u5168)\n            // outputChunks.push(trimmedChunk); \n            continue; \n       }\n\n       try {\n           // \u63d0\u53d6 \"data: \" \u540e\u9762\u7684 JSON \u5b57\u7b26\u4e32\n           const jsonString = trimmedChunk.substring(6).trim(); \n           const dataObj = JSON.parse(jsonString);\n\n           // \u68c0\u67e5\u662f\u5426\u662f\u5305\u542b id \u7684\u6709\u6548\u5bf9\u8c61\n           if (dataObj && typeof dataObj.id === 'string') {\n                \n               // \u5982\u679c\u662f\u7b2c\u4e00\u6b21\u9047\u5230 ID, \u8bb0\u5f55\u4e0b\u6765\u4f5c\u4e3a\u7edf\u4e00ID\n               if (fixedId === null) {\n                   fixedId = dataObj.id; \n                  // fixedCreated = dataObj.created;\n               }\n              \n               // *** \u6838\u5fc3\u4fee\u590d: \u5f3a\u5236\u8986\u76d6\u5f53\u524d\u5757\u7684 ID \u4e3a\u7edf\u4e00ID ***\n               dataObj.id = fixedId; \n               // dataObj.created = fixedCreated; // \u53ef\u9009: \u4e5f\u7edf\u4e00\u65f6\u95f4\u6233\n\n               // \u91cd\u65b0\u5e8f\u5217\u5316\u4fee\u6539\u540e\u7684\u5bf9\u8c61\uff0c\u5e76\u52a0\u4e0a 'data: ' \u524d\u7f00\n                outputChunks.push('data: ' + JSON.stringify(dataObj));\n\n           } else {\n              // \u5982\u679c JSON \u5bf9\u8c61\u91cc\u6ca1\u6709 id, \u53ef\u4ee5\u9009\u62e9\u539f\u6837\u4f20\u9012\u6216\u5ffd\u7565\n               outputChunks.push(trimmedChunk); \n           }\n\n       } catch (e) {\n           // JSON \u89e3\u6790\u5931\u8d25\uff0c\u5ffd\u7565\u6b64\u9519\u8bef\u5757 (\u6216\u539f\u6837\u4f20\u9012\uff0c\u4f46\u53ef\u80fd\u5bfc\u81f4\u5ba2\u6237\u7aef\u51fa\u9519)\n           // console.error(\"Failed to parse chunk: \", trimmedChunk, e);\n            // outputChunks.push(trimmedChunk); // \u539f\u6837\u4f20\u9012\u6709\u98ce\u9669\n       }\n  }\n\n // \u5c06\u6240\u6709\u5904\u7406\u8fc7\u7684\u5757\u7528 \\n\\n \u91cd\u65b0\u8fde\u63a5\u8d77\u6765, \u5e76\u5728\u672b\u5c3e\u786e\u4fdd\u6709 \\n\\n\n const finalStreamString = outputChunks.join('\\n\\n') + '\\n\\n';\n\n// \u8fd4\u56de Respond \u8282\u70b9\u671f\u671b\u7684\u7ed3\u6784\nreturn { \n  data: finalStreamString \n};\n\n"
      },
      "id": "020b89f7-4f13-4c89-8666-7c0ec558c6ec",
      "name": "Format Stream Response",
      "type": "n8n-nodes-base.code",
      "position": [
        1960,
        840
      ],
      "typeVersion": 2
    },
    {
      "parameters": {
        "content": "## \u8bd5\u8bd5\u770b\uff01\n### \u672cn8n\u6a21\u677f\u5c55\u793a\u4e86\u5982\u4f55\u5c06OpenAI\u7684Responses API\u4e0e\u73b0\u6709LLM\u53caAI\u4ee3\u7406\u8282\u70b9\u7ed3\u5408\u4f7f\u7528\u3002\n\n\u867d\u7136\u6211\u5efa\u8bae\u7b49\u5f85\u5b98\u65b9\u652f\u6301\uff0c\u4f46\u5982\u679c\u4f60\u8feb\u4e0d\u53ca\u5f85\u60f3\u901a\u8fc7\u8fc2\u56de\u65b9\u5f0f\u5c06OpenAI\u7684Responses API\u96c6\u6210\u5230\u73b0\u6709AI\u5de5\u4f5c\u6d41\u4e2d\uff0c\u8fd9\u4e2a\u6a21\u677f\u7edd\u5bf9\u80fd\u6ee1\u8db3\u9700\u6c42\uff01\n\n\u8be5\u65b9\u6cd5\u5229\u7528n8n\u5185\u7f6e\u7684webhooks\u4e3aResponses API\u5b9e\u73b0\u4e86\u4e00\u4e2a\u7b80\u5355\u7684\u5c01\u88c5\u5c42\u3002\u901a\u8fc7\u81ea\u5b9a\u4e49OpenAI\u51ed\u8bc1\u5c06\u57fa\u7840URL\u6307\u5411\u8fd9\u4e9bwebhooks\u540e\uff0c\u5373\u53ef\u62e6\u622a\u8bf7\u6c42\u5e76\u91cd\u65b0\u6620\u5c04\u53c2\u6570\u4ee5\u786e\u4fdd\u517c\u5bb9\u6027\u3002\n\n### \u5de5\u4f5c\u539f\u7406\n* \u4ee3\u7406\u8282\u70b9\u8fde\u63a5\u4e86OpenAI\u5b50\u8282\u70b9\uff0c\u4f46\u4f7f\u7528\u7279\u6b8a\u81ea\u5b9a\u4e49\u51ed\u8bc1\u2014\u2014\u5176base_url\u88ab\u4fee\u6539\u4e3a\u6307\u5411\u672c\u6a21\u677f\u7684webhooks\n* \u6267\u884c\u67e5\u8be2\u65f6\uff0c\u4ee3\u7406\u8bf7\u6c42\u4f1a\u88ab\u8f6c\u53d1\u5230\u8ff7\u4f60\u804a\u5929\u8865\u5168\u5de5\u4f5c\u6d41\n* \u5728\u6b64\u6211\u4eec\u5c06\u6807\u51c6\u8bf7\u6c42\u53c2\u6570\u91cd\u65b0\u6620\u5c04\uff0c\u901a\u8fc7\u914d\u7f6e\u597d\u7684HTTP\u8282\u70b9\u5411Responses API\u53d1\u8d77\u67e5\u8be2\n* \u6536\u5230\u54cd\u5e94\u540e\u9700\u518d\u6b21\u8f6c\u6362\u8f93\u51fa\u683c\u5f0f\u4ee5\u786e\u4fddLangchain\u517c\u5bb9\u6027\uff0c\u4f7fLLM\u6216\u4ee3\u7406\u8282\u70b9\u80fd\u89e3\u6790\u5e76\u54cd\u5e94\u7528\u6237\n* \u5305\u542b\u4e24\u79cd\u54cd\u5e94\u683c\u5f0f\uff1a\u6d41\u5f0f\u548c\u975e\u6d41\u5f0f\n\n### \u4f7f\u7528\u65b9\u6cd5\n* \u5fc5\u987b\u6fc0\u6d3b\u672c\u5de5\u4f5c\u6d41\u624d\u80fd\u4f7f\u7528webhooks\u529f\u80fd\n* \u6309\u8bf4\u660e\u521b\u5efa\u81ea\u5b9a\u4e49OpenAI\u51ed\u8bc1\n* \u5728\u73b0\u6709AI\u5de5\u4f5c\u6d41\u4e2d\u7528\u8be5\u51ed\u8bc1\u66ff\u6362LLM\u8282\u70b9\uff0c\u65e0\u9700\u8fc1\u79fb\u5176\u4ed6\u5185\u5bb9\n\n### \u9700\u6c42\u6761\u4ef6\n* \u5177\u5907Responses API\u6743\u9650\u7684OpenAI\u8d26\u6237\n\n### \u81ea\u5b9a\u4e49\u8c03\u6574\n* \u6b22\u8fce\u7528\u76f8\u540c\u6280\u672f\u8bd5\u9a8c\u5176\u4ed6LLM\uff01\n* \u53ca\u65f6\u5173\u6ce8Responses API\u516c\u544a\u5e76\u6309\u9700\u8c03\u6574\n\n### \u9700\u8981\u5e2e\u52a9\uff1f\n\u52a0\u5165\u5fae\u4fe1\u7fa4\uff0c\u4e00\u8d77\u4ea4\u6d41\u5b66\u4e60\uff08\u5148\u52a0Gemini61718\u6216My61718\u9080\u8bf7\uff09\n\n\u795d\u60a8\u73a9\u5f97\u5f00\u5fc3\uff01",
        "height": 1180,
        "width": 420
      },
      "id": "cf7f683c-f7f3-4607-b78d-a4e617fdd8ba",
      "name": "Sticky Note4",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        540,
        60
      ],
      "typeVersion": 1
    },
    {
      "parameters": {
        "respondWith": "json",
        "responseBody": "={{ $json }}",
        "options": {
          "responseCode": 200,
          "responseHeaders": {
            "entries": [
              {
                "name": "Content-Type",
                "value": "application/json"
              }
            ]
          }
        }
      },
      "type": "n8n-nodes-base.respondToWebhook",
      "typeVersion": 1.1,
      "position": [
        2300,
        300
      ],
      "id": "10b5c20e-87b3-4a18-93d9-f6e492df1b40",
      "name": "Respond to Webhook"
    },
    {
      "parameters": {
        "conditions": {
          "options": {
            "version": 2,
            "leftValue": "",
            "caseSensitive": true,
            "typeValidation": "strict"
          },
          "combinator": "and",
          "conditions": [
            {
              "id": "213702bf-d5c2-4a8a-b5c8-e55f804e4496",
              "operator": {
                "type": "boolean",
                "operation": "true",
                "singleValue": true
              },
              "leftValue": "={{ $('POST ChatCompletions').first().json.body.stream }}",
              "rightValue": ""
            }
          ]
        },
        "options": {}
      },
      "id": "057f53d1-d1a1-4833-9df2-b897c257dea9",
      "name": "Is Stream?",
      "type": "n8n-nodes-base.if",
      "position": [
        1740,
        940
      ],
      "typeVersion": 2.2
    },
    {
      "parameters": {
        "respondWith": "text",
        "responseBody": "={{ $json.data }}",
        "options": {
          "responseHeaders": {
            "entries": [
              {
                "name": "Content-Type",
                "value": "text/event-stream; charset=utf-8"
              },
              {
                "name": "Connection",
                "value": "keep-alive"
              },
              {
                "name": "X-Accel-Buffering",
                "value": "no"
              },
              {
                "name": "Access-Control-Allow-Origin",
                "value": "*"
              }
            ]
          }
        }
      },
      "type": "n8n-nodes-base.respondToWebhook",
      "typeVersion": 1.1,
      "position": [
        2180,
        840
      ],
      "id": "8c22b171-f700-47be-bcac-8a3ac6a9cc3c",
      "name": "Respond for Steam"
    },
    {
      "parameters": {
        "respondWith": "json",
        "responseBody": "={{ $json }}",
        "options": {}
      },
      "type": "n8n-nodes-base.respondToWebhook",
      "typeVersion": 1.1,
      "position": [
        2160,
        1040
      ],
      "id": "b062e772-53b9-404b-a6a3-bc5697645f0d",
      "name": "Respond Directly"
    },
    {
      "parameters": {
        "options": {}
      },
      "type": "@n8n/n8n-nodes-langchain.agent",
      "typeVersion": 1.8,
      "position": [
        1320,
        300
      ],
      "id": "39b843c4-c6a6-4d9b-8406-909d801f91a9",
      "name": "AI Agent"
    },
    {
      "parameters": {
        "contextWindowLength": 20
      },
      "type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
      "typeVersion": 1.3,
      "position": [
        1420,
        500
      ],
      "id": "cf70e6df-83da-4c3a-9106-c2a4600eda8d",
      "name": "Simple Memory"
    }
  ],
  "connections": {
    "Webhook": {
      "main": [
        [
          {
            "node": "OpenAI Models",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "OpenAI Responses API": {
      "main": [
        [
          {
            "node": "Is Stream?",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "POST ChatCompletions": {
      "main": [
        [
          {
            "node": "Remap to Response API Schema",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Remap to Response API Schema": {
      "main": [
        [
          {
            "node": "OpenAI Responses API",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "OpenAI Models": {
      "main": [
        [
          {
            "node": "Respond to Webhook",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Format Stream Response": {
      "main": [
        [
          {
            "node": "Respond for Steam",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Format Completion Response": {
      "main": [
        [
          {
            "node": "Respond Directly",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Is Stream?": {
      "main": [
        [
          {
            "node": "Format Stream Response",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "Format Completion Response",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "When chat message received": {
      "main": [
        [
          {
            "node": "AI Agent",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "n8n Webhook": {
      "ai_languageModel": [
        [
          {
            "node": "AI Agent",
            "type": "ai_languageModel",
            "index": 0
          }
        ]
      ]
    },
    "Simple Memory": {
      "ai_memory": [
        [
          {
            "node": "AI Agent",
            "type": "ai_memory",
            "index": 0
          }
        ]
      ]
    }
  },
  "active": false,
  "settings": {
    "executionOrder": "v1"
  },
  "versionId": "78ea904f-3636-40f4-8e07-f737205e675c",
  "meta": {
    "templateCredsSetupCompleted": true
  },
  "id": "Kk6dSjnGB3xrWAuR",
  "tags": []
}

Credentials you'll need

Each integration node will prompt for credentials when you import. We strip credential IDs before publishing — you'll add your own.

• openAiApi

About this workflow

n8n2API(No memory). Uses chatTrigger, httpRequest, lmChatOpenAi, agent. Chat trigger; 19 nodes.

Source: https://github.com/rv192/CommonRepo/blob/58237e8543787c0ee858f3fb863ee071651cd00c/n8n/series/n8n2API.json — original creator credit. Request a take-down →

More AI & RAG workflows → · Browse all categories →

Related workflows

Workflows that share integrations, category, or trigger type with this one. All free to copy and import.