Google face detection for Node-RED

flow.json

[
  {
    "id": "d6e8fa47.38bfd8",
    "type": "http request",
    "z": "a2a19eb0.8be53",
    "name": "Google Vision",
    "method": "POST",
    "ret": "obj",
    "url":
      "https://vision.googleapis.com/v1/images:annotate?key=AIAIAIAIAIAIAXYXYXYXYXYXYXYXYXY",
    "tls": "",
    "x": 500,
    "y": 340,
    "wires": [["bb0db296.7d3a"]]
  },
  {
    "id": "21a0085b.d37e98",
    "type": "function",
    "z": "a2a19eb0.8be53",
    "name": "Create request",
    "func":
      "msg.payload = {\n  \"requests\": [\n    {\n      \"image\": {\n        \"content\": msg.payload.toString('base64')\n      },\n      \"features\": [\n        {\n          \"maxResults\": 5,\n          \"type\": \"FACE_DETECTION\"\n        }\n      ]\n    }\n  ]\n}\n\nreturn msg;",
    "outputs": 1,
    "noerr": 0,
    "x": 320,
    "y": 340,
    "wires": [["d6e8fa47.38bfd8"]]
  }
]

index.md

1. Sign up to Google Vision

https://cloud.google.com/vision/

2. Create an API Key

https://console.cloud.google.com/apis/credentials

Import the flow and replace the API key

Replace the AIAIAIAIAIAIAXYXYXYXYXYXYXYXYXY bit from the URL with your own API key