How to send a message#

Installation#

Make sure that you have Go installed with a version of 1.20 or newer

go version

Create a module for your project if you didn't:

go mod init ModuleName

Installation:

go get github.com/green-api/whatsapp-api-client-golang-v2

Import#

import (
    greenapi "github.com/green-api/whatsapp-api-client-golang-v2"
)

Examples#

How to initialize an object#

GreenAPI := greenapi.GreenAPI{
        APIURL:           "https://api.green-api.com",
        MediaURL:         "https://media.green-api.com",
        IDInstance:       "1101000001",
        APITokenInstance: "d75b3a66374942c5b3c019c698abc2067e151558acbd412345",
    }

Note that keys can be obtained from environment variables:

IDInstance := os.Getenv("ID_INSTANCE")
APITokenInstance := os.Getenv("API_TOKEN_INSTANCE")

How to send a message#

Link to example: sendMessage/main.go.

response, _ := GreenAPI.Sending().SendFileByUrl(
        "11001234567@c.us",
        "urlFile",
        "fileName",
        greenapi.OptionalCaptionSendUrl("Caption"),
    )

Running the application#

go run main.go

List of examples#

Description	Link to example
How to send a message	sendMessage/main.go
How to send a file by uploading from the disk	sendFileByUpload/main.go
How to send a file by URL	sendFileByUrl/main.go
How to upload a file to an external drive	uploadFile/main.go
How to send a poll	sendPoll/main.go
How to check if there is a WhatsApp account on the phone number	checkWhatsapp/main.go
How to set instance settings	setSettings/main.go
How to create a group	createGroup/main.go
How to send a text status	sendTextStatus/main.go
How to receive an incoming notification	receiveNotification/main.go
How to get all instances of the account	partnerMethods/getInstances/main.go
How to create an instance	partnerMethods/createInstance/main.go
How to delete an instance	partnerMethods/deleteInstanceAccount/main.go