Send Zalo message with attached photo

HTTP request

POST https://rest.esms.vn/MainService.svc/json/SendZaloFollowerMessage_V5_post_json/

• Content Type: application/json

• Response Type: application/json

curl --location 'http://rest.esms.vn/MainService.svc/json/SendZaloFollowerMessage_V5_post_json/' \
--header 'Content-Type: text/plain' \
--header 'Cookie: ASP.NET_SessionId=asfgp2dj1kt4kbg1yzuo35ky; ASP.NET_SessionId=5xcbl12ska5q5wocug3chmjz' \
--data '{
    "ApiKey": "{{ApiKey}}",
    "SecretKey": "{{SecretKey}}",
    "OAID": "{{OAID}}",
    "CallbackUrl": "{{CallbackUrl}}",
    "Payload": {
        "recipient": {
            "user_id": "{{user_id}}"
        },
        "message": {
            "text": "{{text}}",
            "attachment": {
                "type": "template",
                "payload": {
                    "template_type": "media",
                    "elements": [
                        {
                            "media_type": "image",
                            "url": "{{url}}"
                        }
                    ]
                }
            }
        }
    }
}'

• Body request

Parameter	Type	Required	Description
ApiKey	string		Your API Key.
SecretKey	string		Your Secret Key.
OAID	string		Zalo OA Id is the Zalo Official Account Id of the organization. It can be obtained by accessing to the Zalo administrator page. Note: Pre-registration is required.
user_id	string		The identification value of user at Zalo.
text	string		Text content to send to users Maximum limit is 2,000 characters
url	string		Image path Supported image formats: jpg and png Maximum size: 1MB
CallbackUrl	string		The webhook URL that will receive the status of message after it processed to the operator. It is used for determine whether the SMS is succcessfully delivered to the receiver or failed. See the sample request at here. More details at here.

---

• Response:

100

{
    "CodeResult": "100",
    "CountRegenerate": 0,
    "SMSID": "d8e0f1f0702544b2acb456ca9ccfd111250"
}

Valid request.

101

{
    "CodeResult": "101",
    "CountRegenerate": 0,
    "ErrorMessage": "Authorize Failed"
}

Invalid credential.

• Response body

Parameter	Type	Description
CodeResult	string	Response code.
SMSID	string	The message id eSMS system.
ErrorMessage	string	The error message if the request is invalid.

• The detail of error code can refer at Table of error codes .
• Get the sample of code for programing languagues to use in Postman refer at Link of code samples.