Fetch Access Token and Send HTTP Request

The workflow JSON

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{
  "nodes": [
    {
      "parameters": {
        "method": "POST",
        "url": "https://kauth.kakao.com/oauth/token",
        "sendHeaders": true,
        "headerParameters": {
          "parameters": [
            {
              "name": "Content-Type",
              "value": "application/x-www-form-urlencoded;charset=utf-8"
            }
          ]
        },
        "sendBody": true,
        "contentType": "form-urlencoded",
        "bodyParameters": {
          "parameters": [
            {
              "name": "grant_type",
              "value": "authorization_code"
            },
            {
              "name": "client_id",
              "value": "REST API KEY"
            },
            {
              "name": "redirect_uri",
              "value": "https://localhost:3000"
            },
            {
              "name": "code",
              "value": "\uc778\uac00 \ucf54\ub4dc"
            }
          ]
        },
        "options": {}
      },
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [
        -300,
        180
      ],
      "id": "173d52f3-620b-4244-96ed-d05a075d1ae3",
      "name": "\uc5d1\uc138\uc2a4 \ud1a0\ud070 \ubc1b\uae30"
    },
    {
      "parameters": {
        "method": "POST",
        "url": "https://kapi.kakao.com/v2/api/talk/memo/default/send",
        "sendHeaders": true,
        "headerParameters": {
          "parameters": [
            {
              "name": "Authorization",
              "value": "=Bearer {{ $json.access_token }}"
            },
            {
              "name": "Content-Type",
              "value": "application/x-www-form-urlencoded;charset=utf-8"
            }
          ]
        },
        "sendBody": true,
        "contentType": "form-urlencoded",
        "bodyParameters": {
          "parameters": [
            {
              "name": "template_object",
              "value": "={\n        \"object_type\": \"calendar\",\n        \"content\": {\n            \"title\": \"\uc77c\uc815 \uc81c\ubaa9\",\n            \"description\": \"\uc77c\uc815 \uc124\uba85\",\n            \"image_url\": \"https://developers.kakao.com/static/images/pc/txt_visual1.png\",\n            \"link\": {\n                \"web_url\":\"https://kakao.com\"\n            }\n        },\n        \"buttons\": [\n            {\n                \"title\": \"\uc77c\uc815 \uc815\ubcf4 \ubcf4\uae30\",\n                \"link\": {\n                    \"web_url\": \"https://developers.kakao.com\",\n                    \"mobile_web_url\": \"https://developers.kakao.com/mobile\"\n                }\n            }\n        ],\n        \"id_type\": \"event\",\n        \"id\": \"6351f57c7ec8e318d0b809a0\"\n    }"
            }
          ]
        },
        "options": {}
      },
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [
        -120,
        180
      ],
      "id": "a745231d-48c8-4551-8c38-6728654b6f51",
      "name": "\ub098\uc5d0\uac8c \ubcf4\ub0b4\uae30 \ub178\ub4dc"
    }
  ],
  "connections": {
    "\uc5d1\uc138\uc2a4 \ud1a0\ud070 \ubc1b\uae30": {
      "main": [
        [
          {
            "node": "\ub098\uc5d0\uac8c \ubcf4\ub0b4\uae30 \ub178\ub4dc",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}

About this workflow

2. Uses httpRequest. Manual trigger; 2 nodes.

Source: https://github.com/Kimseongbeen/Study/blob/183822dbb5f65ebe54c6e3e20ef7ef90e9d0bb55/n8n/kakao/2.json — original creator credit. Request a take-down →

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