Merge branch 'how-to-use-nexmo-api' of kazu634/blog into master

content/labs/golang/2020-02-09-how-to-use-nexmo-api.md

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+title = "nexmo APIの使い方"
+date = 2020-02-09T03:12:22+08:00
+Description = "nexmo APIの使い方のメモ書きです"
+Tags = []
+Categories = ["golang", "programming"]
++++
+
+SMS送信などができるWebサービス、nexmo APIの使い方をまとめます。基本は参考URLからのコピペです。。
+
+## API利用例
+利用例はこんな感じです。
+
+### Golangの場合
+
+```
+package main
+
+import (
+    "net/http"
+    "net/url"
+    "log"
+    "fmt"
+)
+
+func main(){
+    value := url.Values{}
+    value.Set("from", "Nexmo")
+    value.Add("text", "Hello from Nexmo dayoneeee")
+    value.Add("to", "6692346nnnn")
+    value.Add("api_key", "APIKEY")
+    value.Add("api_secret", "APISecret")
+
+    resp, err := http.PostForm("https://rest.nexmo.com/sms/json",value)
+    if err != nil{
+        log.Fatal(err)
+    }
+
+    buffer := make([]byte,1024)
+    respLen,_ := resp.Body.Read(buffer)
+
+    body := string(buffer[:respLen])
+
+    fmt.Println(body)
+    fmt.Println(resp.Status)
+
+    defer resp.Body.Close()
+}
+```
+
+#### 実行例
+実行すると以下のように表示されるはずです:
+
+```
+kazu634@bastion% go run main.go
+{
+    "message-count": "1",
+    "messages": [{
+        "to": "6692346nnnn",
+        "message-id": "1B00000052CEFF69",
+        "status": "0",
+        "remaining-balance": "1.88400000",
+        "message-price": "0.02300000",
+        "network": "52001"
+    }]
+}
+200 OK
+```
+
+受信した様子がこちら:
+
+<a data-flickr-embed="true" href="https://www.flickr.com/photos/42332031@N02/49473392312/" title="Nexmo"><img src="https://live.staticflickr.com/65535/49473392312_dc327e0937_z.jpg" width="296" height="640" alt="Nexmo"></a><script async src="//embedr.flickr.com/assets/client-code.js" charset="utf-8"></script>
+
+## curlの場合
+`curl`コマンドで実行する場合は、こんな感じになります:
+
+```
+curl -X "POST" "https://rest.nexmo.com/sms/json" \
+     -d "from=Nexmo" \
+     -d "text=Hello from Nexmo" \
+     -d "to=81906490nnnn" \
+     -d "api_key=APIKEY" \
+     -d "api_secret=APISECRET"
+```
+
+## 参考
+- [GolangでAPI使ってSMS送信 - Qiita](https://qiita.com/KokiAsano/items/fffa3c64a1599ffc53ed)