How to Send a WhatsApp API using Go

Introduction

In this code snippet, you learn how to send a WhatsApp API using Go, to send a text message, WhatsApp Templates, media, interactive buttons, lists, products … etc, Alvochat account is required to run the following codes. Create an Account if you don’t have one.

Send template using WhatsApp API and Go

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io/ioutil"
    "net/url"
)

func main() {

	apiurl:= "https://api.alvochat.com/instance1199/messages/template"
    data := url.Values{}
    			 data.Set("token", "YourToken")
			 data.Set("to", "16315555555")
			 data.Set("name", "hello_world")
			 data.Set("language", "en_us")
			 data.Set("header", "")
			 data.Set("body", "")
			 data.Set("buttons", "")
			 data.Set("priority", "")

   
	payload := strings.NewReader(data.Encode())

	req, _ := http.NewRequest("POST", apiurl, payload)

	req.Header.Add("content-type", "application/x-www-form-urlencoded")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := ioutil.ReadAll(res.Body)

 
	fmt.Println(string(body))

}

Send a text message using WhatsApp API and Go

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io/ioutil"
    "net/url"
)

func main() {

	apiurl:= "https://api.alvochat.com/instance1199/messages/chat"
    data := url.Values{}
    			 data.Set("token", "YourToken")
			 data.Set("to", "16315555555")
			 data.Set("body", "WhatsApp API on alvochat.com works good")
			 data.Set("priority", "")
			 data.Set("preview_url", "")
			 data.Set("message_id", "")

   
	payload := strings.NewReader(data.Encode())

	req, _ := http.NewRequest("POST", apiurl, payload)

	req.Header.Add("content-type", "application/x-www-form-urlencoded")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := ioutil.ReadAll(res.Body)

 
	fmt.Println(string(body))

}

Send image

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io/ioutil"
    "net/url"
)

func main() {

	apiurl:= "https://api.alvochat.com/instance1199/messages/image"
    data := url.Values{}
    			 data.Set("token", "YourToken")
			 data.Set("to", "16315555555")
			 data.Set("image", "https://alvochat-example.s3-accelerate.amazonaws.com/image/1.jpeg")
			 data.Set("caption", "image caption")
			 data.Set("priority", "")
			 data.Set("message_id", "")

   
	payload := strings.NewReader(data.Encode())

	req, _ := http.NewRequest("POST", apiurl, payload)

	req.Header.Add("content-type", "application/x-www-form-urlencoded")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := ioutil.ReadAll(res.Body)

 
	fmt.Println(string(body))

}

Send audio

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io/ioutil"
    "net/url"
)

func main() {

	apiurl:= "https://api.alvochat.com/instance1199/messages/audio"
    data := url.Values{}
    			 data.Set("token", "YourToken")
			 data.Set("to", "16315555555")
			 data.Set("audio", "https://alvochat-example.s3-accelerate.amazonaws.com/audio/1.mp3")
			 data.Set("priority", "")
			 data.Set("message_id", "")

   
	payload := strings.NewReader(data.Encode())

	req, _ := http.NewRequest("POST", apiurl, payload)

	req.Header.Add("content-type", "application/x-www-form-urlencoded")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := ioutil.ReadAll(res.Body)

 
	fmt.Println(string(body))

}

Send video

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io/ioutil"
    "net/url"
)

func main() {

	apiurl:= "https://api.alvochat.com/instance1199/messages/video"
    data := url.Values{}
    			 data.Set("token", "YourToken")
			 data.Set("to", "16315555555")
			 data.Set("video", "https://alvochat-example.s3-accelerate.amazonaws.com/video/1.mp4")
			 data.Set("caption", "video caption")
			 data.Set("priority", "")
			 data.Set("message_id", "")

   
	payload := strings.NewReader(data.Encode())

	req, _ := http.NewRequest("POST", apiurl, payload)

	req.Header.Add("content-type", "application/x-www-form-urlencoded")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := ioutil.ReadAll(res.Body)

 
	fmt.Println(string(body))

}

Send document

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io/ioutil"
    "net/url"
)

func main() {

	apiurl:= "https://api.alvochat.com/instance1199/messages/document"
    data := url.Values{}
    			 data.Set("token", "YourToken")
			 data.Set("to", "16315555555")
			 data.Set("document", "https://alvochat-example.s3-accelerate.amazonaws.com/document/1.pdf")
			 data.Set("filename", "")
			 data.Set("priority", "")
			 data.Set("message_id", "")

   
	payload := strings.NewReader(data.Encode())

	req, _ := http.NewRequest("POST", apiurl, payload)

	req.Header.Add("content-type", "application/x-www-form-urlencoded")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := ioutil.ReadAll(res.Body)

 
	fmt.Println(string(body))

}

Send sticker

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io/ioutil"
    "net/url"
)

func main() {

	apiurl:= "https://api.alvochat.com/instance1199/messages/sticker"
    data := url.Values{}
    			 data.Set("token", "YourToken")
			 data.Set("to", "16315555555")
			 data.Set("sticker", "https://alvochat-example.s3-accelerate.amazonaws.com/sticker/1.webp")
			 data.Set("priority", "")
			 data.Set("message_id", "")

   
	payload := strings.NewReader(data.Encode())

	req, _ := http.NewRequest("POST", apiurl, payload)

	req.Header.Add("content-type", "application/x-www-form-urlencoded")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := ioutil.ReadAll(res.Body)

 
	fmt.Println(string(body))

}

Send Contact

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io/ioutil"
    "net/url"
)

func main() {

	apiurl:= "https://api.alvochat.com/instance1199/messages/contact"
    data := url.Values{}
    			 data.Set("token", "YourToken")
			 data.Set("to", "16315555555")
			 data.Set("contact", "")
			 data.Set("priority", "")
			 data.Set("message_id", "")

   
	payload := strings.NewReader(data.Encode())

	req, _ := http.NewRequest("POST", apiurl, payload)

	req.Header.Add("content-type", "application/x-www-form-urlencoded")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := ioutil.ReadAll(res.Body)

 
	fmt.Println(string(body))

}

Send Location

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io/ioutil"
    "net/url"
)

func main() {

	apiurl:= "https://api.alvochat.com/instance1199/messages/location"
    data := url.Values{}
    			 data.Set("token", "YourToken")
			 data.Set("to", "16315555555")
			 data.Set("lat", "37.484296")
			 data.Set("lng", "-122.148703")
			 data.Set("address", "Menlo Park, California, United States")
			 data.Set("name", "Meta Headquarters")
			 data.Set("priority", "")
			 data.Set("message_id", "")

   
	payload := strings.NewReader(data.Encode())

	req, _ := http.NewRequest("POST", apiurl, payload)

	req.Header.Add("content-type", "application/x-www-form-urlencoded")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := ioutil.ReadAll(res.Body)

 
	fmt.Println(string(body))

}

Send list

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io/ioutil"
    "net/url"
)

func main() {

	apiurl:= "https://api.alvochat.com/instance1199/messages/list"
    data := url.Values{}
    			 data.Set("token", "YourToken")
			 data.Set("to", "16315555555")
			 data.Set("header", "header")
			 data.Set("body", " please select one of the following options")
			 data.Set("footer", "footer")
			 data.Set("button", "options")
			 data.Set("sections", "option_1,option_2,option_3")
			 data.Set("priority", "")
			 data.Set("message_id", "")

   
	payload := strings.NewReader(data.Encode())

	req, _ := http.NewRequest("POST", apiurl, payload)

	req.Header.Add("content-type", "application/x-www-form-urlencoded")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := ioutil.ReadAll(res.Body)

 
	fmt.Println(string(body))

}

Send button

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io/ioutil"
    "net/url"
)

func main() {

	apiurl:= "https://api.alvochat.com/instance1199/messages/button"
    data := url.Values{}
    			 data.Set("token", "YourToken")
			 data.Set("to", "16315555555")
			 data.Set("header", "header")
			 data.Set("body", " please select one of the following options")
			 data.Set("footer", "footer")
			 data.Set("buttons", "option_1,option_2,option_3")
			 data.Set("priority", "")
			 data.Set("message_id", "")

   
	payload := strings.NewReader(data.Encode())

	req, _ := http.NewRequest("POST", apiurl, payload)

	req.Header.Add("content-type", "application/x-www-form-urlencoded")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := ioutil.ReadAll(res.Body)

 
	fmt.Println(string(body))

}

Send products

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io/ioutil"
    "net/url"
)

func main() {

	apiurl:= "https://api.alvochat.com/instance1199/messages/product"
    data := url.Values{}
    			 data.Set("token", "YourToken")
			 data.Set("to", "16315555555")
			 data.Set("header", "header")
			 data.Set("body", "Hi , check out our new products")
			 data.Set("footer", "footer")
			 data.Set("catalog_id", "")
			 data.Set("product", "")
			 data.Set("priority", "")
			 data.Set("message_id", "")

   
	payload := strings.NewReader(data.Encode())

	req, _ := http.NewRequest("POST", apiurl, payload)

	req.Header.Add("content-type", "application/x-www-form-urlencoded")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := ioutil.ReadAll(res.Body)

 
	fmt.Println(string(body))

}

You can see the Full Whatsapp API Documentation here.