To access Microsoft's Face API

mcs.go

package main

import (
        "bytes"
        "encoding/json"
        "fmt"
        "log"
        "net/http"
)

type FaceResp []struct {
        FaceID        string `json:"faceId"`
        FaceRectangle struct {
                Top    int `json:"top"`
                Left   int `json:"left"`
                Width  int `json:"width"`
                Height int `json:"height"`
        } `json:"faceRectangle"`
        FaceAttributes struct {
                Gender  string  `json:"gender"`
                Age     float64 `json:"age"`
                Glasses string  `json:"glasses"`
        } `json:"faceAttributes"`
}

func main() {
        var jsonStr = []byte(`{"url":"https://pbs.twimg.com/profile_images/717290681232977920/Jl5EKtIn.jpg"}`)

        url := fmt.Sprintf("https://api.projectoxford.ai/face/v1.0/detect?returnFaceId=true&returnFaceLandmarks=false&returnFaceAttributes=age,gender,glasses")

        req, err := http.NewRequest("POST", url, bytes.NewBuffer(jsonStr))
        if err != nil {
                log.Fatal("NewRequest: ", err)
                return
        }

        req.Header.Set("Content-Type", "application/json")
        req.Header.Set("Ocp-Apim-Subscription-Key", "Your Key")

        httpClient := &http.Client{}

        resp, err := httpClient.Do(req)
        if err != nil {
                log.Fatal("Do: ", err)
                return
        }

        defer resp.Body.Close()

        var record FaceResp

        if err := json.NewDecoder(resp.Body).Decode(&record); err != nil {
                log.Fatal("Decode: ", err)
                return
        }

        fmt.Printf("Your gender is: %v\n", record[0].FaceAttributes.Gender)
        fmt.Printf("and age is: %v years.\n", record[0].FaceAttributes.Age)
        fmt.Printf("Glasses or No Glasses? %v", record[0].FaceAttributes.Glasses)
}